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When purchasing a product, price is the consumer's primary concern. At present, Ronybuy has 32 products for sale. Ronybuy products range in price from $7.59 to $85.99, and the average price of all the products is about $25.82.

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Last Updated: Jan 10, 2026

Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans Boats, Pack of 2

Accessory Power Relays
Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans Boats, Pack of 2 Cover
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[IP65 Waterproof] The shell of 5-pin relay harness kit is made of the durable insulation material, the 5 terminals are sealed with strong cap and the rubber ring, making it connected tightly for better waterproof and dustproof so it can work in any harsh environments.
[Heavy-duty Copper Wires] The 5-PIN relay come with colored wires harness,the pin 87 Blue & pin 30 Red & pin 87a Yellow are 12AWG and pin 85 Black & pin 86 White are 16AWG. The tinned copper wires are durable and reliable. Plug and play.
[Specification] 12VDC(14V Max) and 40A/30A High Switching Capability. Keep 10-15% below the rate. Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87). The 5 pin relay kit works for both positive and negative activation.
[Wide Application] Compatible with 12V 5-Pin automotive relay with 40A switching capability,including car lights,horns,starters,cooling fans,speakers,wipers,traction control systems,ect. Perfect relay switch kit replacement for car,boats,off-road vehicles,and family circuit work.
[Notice] Make sure follow the wiring diagram in the picture.Be gentle when inserting the relay into the socket.For your safety, we highly recommend professional technicians to install the part. If you have meet any problem, welcome to message us for help.

Ronybuy 100 Psi Oil Fuel Pressure Sensor Transducer Sender 1/8" -27 NPT Thread with Harness Kit for Fuel Oil Air Water, 316 Stainless Steel Pressure Regulator 0-100 Psi Switch Sensor Transmitter

Pressure Probes & Sensors
Ronybuy 100 Psi Oil Fuel Pressure Sensor Transducer Sender 1/8" -27 NPT Thread with Harness Kit for Fuel Oil Air Water, 316 Stainless Steel Pressure Regulator 0-100 Psi Switch Sensor Transmitter Cover
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[Application] The measuring range of pressure sensor transducer is 0-100psi. It's used to replace the OE pressor transmitter for fuel oil air water ect. Plug and Play.
[Specification] Supply voltage: 5-16V. Output: 0.5V - 4.5V linear voltage output. 0 psi outputs 0.5V, 50 psi outputs 2.5V, 100 psi outputs 4.5V. It's 1/8" -27 NPT thread. Operating temperature: -40～105℃.
[Excellent Material] The 0-100 Psi fuel oil pressure transducer is made of 316 stainless steel. It's high temperature and corrosion resistant and cycle life is 500,000 times. IP65 Waterproof, work in various environments.
[Measuring Medium] Gas, liquid and other physical parameters of the pressure sender sensor can be converted to standard electrical signals. Response time: ≤3ms
[What You Get] 1x 100 psi pressure transducer, 1x Wire Pigtail, Worry-free Purchase, 2-Year, 45 days money back. If you meet any problem, please message us.

Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness Heavy Duty 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans, Pack of 5

Accessory Power Relays
Ronybuy 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness Heavy Duty 12&16 AWG Tinned Copper Wires, SPDT Automotive Relay Kit for Horns Starters Radiator Motor Fans, Pack of 5 Cover
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[IP65 Waterproof] The shell of 5-pin relay harness kit is made of the durable insulation material, the 5 terminals are sealed with strong cap and the rubber ring, making it connected tightly for better waterproof and dustproof so it can work in any harsh environments.
[Heavy-duty Copper Wires] The 5-PIN relay come with colored wires harness,the pin 87 Blue & pin 30 Red & pin 87a Yellow are 12AWG and pin 85 Black & pin 86 White are 16AWG. The tinned copper wires are durable and reliable. Plug and play.
[Specification] 12VDC(14V Max) and 40A/30A High Switching Capability. Keep 10-15% below the rate. Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87). The 5 pin relay kit works for both positive and negative activation.
[Wide Application] Compatible with 12V 5-Pin automotive relay with 40A switching capability,including car lights,horns,starters,cooling fans,speakers,wipers,traction control systems,ect. Perfect relay switch kit replacement for car,boats,off-road vehicles,and family circuit work.
[Notice] Make sure follow the wiring diagram in the picture.Be gentle when inserting the relay into the socket.For your safety, we highly recommend professional technicians to install the part. If you have meet any problem, welcome to message us for help.

Ronybuy 150 Psi Fuel Oil Pressure Transducer Sensor Sender 1/8" -27 NPT Thread with Harness Kit for Oil Fuel Air Water, Stainless Steel 0-150 Psi Sensor Pressure Transmitter

Pressure Probes & Sensors
Ronybuy 150 Psi Fuel Oil Pressure Transducer Sensor Sender 1/8" -27 NPT Thread with Harness Kit for Oil Fuel Air Water, Stainless Steel 0-150 Psi Sensor Pressure Transmitter Cover
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[Application] The measuring range of pressure sensor transducer is 0-150psi. It's used to replace the OE pressor transmitter for fuel oil air water ect. Plug and Play.
[Specification] Supply voltage: 5-16V. Output: 0.5V - 4.5V linear voltage output. 0 psi outputs 0.5V, 50 psi outputs 2.5V, 150 psi outputs 4.5V. It's 1/8" -27 NPT thread. Operating temperature: -40～105℃.
[Excellent Material] The 0-150 Psi fuel oil pressure transducer is made of 316 stainless steel. It's high temperature and corrosion resistant and cycle life is 500,000 times. IP65 Waterproof, work in various environments.
[Measuring Medium] Gas, liquid and other physical parameters of the pressure sender sensor can be converted to standard electrical signals. Response time: ≤3ms
[What You Get] 1x 150 psi pressure transducer, 1x Wire Pigtail, Worry-free Purchase, 2-Year, 45 days money back. If you meet any problem, please message us.

Ronybuy 10Pcs 4 Inch Round Led Trailer Tail Lights, Red 24 LED Trailer Lights Waterproof, 4" Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Include Grommets 3-Prong Wire Plugs

Trailer Lighting
Ronybuy 10Pcs 4 Inch Round Led Trailer Tail Lights, Red 24 LED Trailer Lights Waterproof, 4" Stop Turn Brake Led Tail Lights Sealed Flush Mount for Trucks RV Include Grommets 3-Prong Wire Plugs Cover
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[24 LED CHIPS] The 4 inch round red tail lights are designed with lasted 24 LED chips,feature better brightness and heat dissipation.The 4" led trailer lights have 2 functions,serving as high and low brightness, and can work as stop light, turn signal light, and tail light.
[PACKAGE CONTENT] 10pcs 4 inch red led round trailer tail lights, with 10pcs of rubber grommets and 10pcs of 3 prong wire plugs.Everything is included in the package, just plug and play.
[IP65 WATERPROOF] With LED water-tight sealed design, premium rubber grommet ring and the molded 3 prong pigtail plug, our 4 inch round led lights have greater waterproof performance and can work in any harsh weather conditions with long lifespan. Notes:Please do not use it under water and stay away from salt-laden water.
[WIDE APPLICATION] The outer diameter of grommet ring is 5.3",the inner light diameter is 4.1" and thickness is 1",the 3-prong wire plug is 18cm/7.1". The 4" round led tail lights are compatible with almost devices with 12 Volt DC power source,and can be used on trucks, trailers, tractors, semi-trailer, horse trailer, travel trailer, dump Truck, special vehicle, etc. Please measure the sizes of hole before installation.
[EASY INSTALLATION] White Wire: Ground (Negative);Red Wire + White Wire: High Brightness(work as Stop Turn Brake Light);Black Wire + White Wire: Low Brightness(work as Tail Running Light). Please be free to email us if you meet any problem.

Ronybuy 20 Count 2-Prong Double Female Bullet Plug Wire Harness Roll, 18 Gauge 2 Prong Continuous Wire Harness 6" Lead Spacing, for Marker Light Clearance Lights Trucks & Trailers

Electrical Wiring Harnesses
Ronybuy 20 Count 2-Prong Double Female Bullet Plug Wire Harness Roll, 18 Gauge 2 Prong Continuous Wire Harness 6" Lead Spacing, for Marker Light Clearance Lights Trucks & Trailers Cover
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[Description] It's a 20 count continuous 2 prong female wire harness roll for side marker clearance lights. You can cut it to the length or quantity you need. It can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] 20 count for each roll, 6"/15cm lead spacing between each 2 Pin female plug. 0.18" female bullet type plug contact design.
[Application] This can be used on semi trucks & trailers, ATV, UTV, campers, tractors, service trucks, buses, service vans, utility trucks, parade floats, horse trailers, utility trailers, pick up trucks, etc. Fit any clearance or side marker lights that require a 2 pin female plug or socket connector.
[Features] Waterproof over molded plug housing. Quality insulated 18AWG wire, 0.8mm diameter, 0.5mm² cross section area. The excellent PVC material makes it corrosion-resistant and anti-aging.
[Worry-free Purchase] 2-Year, 45 days money back. The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy H4 9003 LED Headlight Wiring Harness Sockets H4 to 3 Pin Wire Adapter for 4"x6" 7"x6" 5"x7" 6"x8" HB2 Headlights Car Truck Pickup Heavy Duty Boat Marine Headlamp Connector Pack of 4

Electrical Wiring Harnesses
Ronybuy H4 9003 LED Headlight Wiring Harness Sockets H4 to 3 Pin Wire Adapter for 4"x6" 7"x6" 5"x7" 6"x8" HB2 Headlights Car Truck Pickup Heavy Duty Boat Marine Headlamp Connector Pack of 4 Cover
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[Compatibility] The wiring harness sockets fits for H4 9003 HB2 LED headlight, and especially for 4"x6" 7"x6" 5"x7" 6"x8" sealed beam headlights. It's a perfect replacement no matter your original headlight socket is H4 socket or not standard.
[Application] This wire headlamp connector are widely used, like car truck pickup heavy duty boat marine,but be sure to check the wire harness fit for your headlights or car models before purchasing. Socket Type: H4/9003/HB2. If you meet problems please let us know and advise us more details.
[Important] The pins of the headlights wire connector may be different for some vehicles, you may need to swap the pins. We list 3 types of pins not standard in the pictures for you to refer, if you meet this situtation,just swap and make it can plug in and the lights work normally.
[Specifications] Plug and Play. The H4 LED headlight wiring harness is 16cm/6.3inch,voltage:12V, wire gauge:14AWG. The socket is plastic and rubber insulated, waterproof and durable. High temperature resistance, strong performance, not easy to corrode, long lifespan.
[What You Get] 4x H4 9003 HB2 headlight wiring harness. Worry-free Purchase, 2-Year, 45 days money back.
[Fitment] Interchange Part Number 7x6/5x7 inch led headlights: H6014 H6052 H6054 6054 H5054 H6054LL 69822 6052 6053; 4x6 inch led headlights: H4656 H4651 4651 4652 H4652 H4666 H6545. Work for Chevy P30 K5 Blazer K10 K20 Suburban Toyota Pickup. Toyota Tacoma GMC Jimmy Peterbilt.Kenworth, Freightliner etc

Ronybuy 50 Count 3-Prong Female Bullet Plugs 18 AWG Continuous Wire Harness Roll - 12" Lead Spacing, 3 Pin Connector Wiring Harness for LED Marker Clearance Lights Hassle-Free Installation

Electrical Wiring Harnesses
Ronybuy 50 Count 3-Prong Female Bullet Plugs 18 AWG Continuous Wire Harness Roll - 12" Lead Spacing, 3 Pin Connector Wiring Harness for LED Marker Clearance Lights Hassle-Free Installation Cover
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[Description] It's a 50 count continuous 3 prong female wire harness roll for side marker clearance lights. You can cut it to the length or quantity you need. It can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] 50 count for each roll, total 58' in length. 12"/30cm lead spacing between each 3 Pin plug connector. White is negative/ground, red and black is positive.
[Application] This can be used on semi trucks & trailers, ATV, UTV, campers, tractors, service trucks, buses, service vans, utility trucks, parade floats, horse trailers, utility trailers, pick up trucks, etc. Fit any clearance or side marker lights that require a 3 pin male plug or socket connector, or lights that require a 0.180" female bullet type plug.
[Features] Waterproof over molded plug housing. Quality insulated 18AWG wire. The excellent PVC material makes it corrosion-resistant and anti-aging. Long lifespan and it can work in any harsh weather.
[Worry-free Purchase] 2-Year, 45 days money back. The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy Electric Fan Relay Kit 40 AMP Automotive Relay Thermostat Switch Kit for Radiators Fans Temperature Sensor Switch 185 On 175 Off, Waterproof 12V Electric Cooling Fan Relay Switch Wiring Kit

Engine Radiator Cooling Fan Motor Relays
Ronybuy Electric Fan Relay Kit 40 AMP Automotive Relay Thermostat Switch Kit for Radiators Fans Temperature Sensor Switch 185 On 175 Off, Waterproof 12V Electric Cooling Fan Relay Switch Wiring Kit Cover
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[Compatibility] The 40 AMP waterproof electric radiator fan relay kit fits 10,12,14,16 inch cooling fans. Fit for engines 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 351M 400M 273 318 340 360 361 383 400 413 426W
[Easy Installation] Just follow the wiring diagram to wire your electric radiator cooling fans relay kit. RED to 12VDC Positive Battery Terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit.
[Specifications] This electric fan relay wiring kit is 40 AMP and 12V. The thermostat swtich is 3/8" NPT pipe thread with 1/2" adapter included, it turns on at 185 and off at 175 Degrees. The relay is waterproof and can work in any harsh conditions.
[Package Include] Includes everything you need: 1x 40A relay with harness;1x 3/8" thermostat switch;1x 3/8" to 1/2" adapter;1x inline fuse holder;1x 20 Amp fuse;2x wire connectors;4x ring terminals;1x wiring diagram
[Important] The thermostat MUST be grounded through the threads to the engine in order for it to work, and the engine MUST be grounded. If you mount high-profile fans, be sure to crimp or solder bigger wires to it since the 14AWG wires (15 amps) are not big enough for high amps draw.

Ronybuy 10x Markers Wire Plug - 2 Wire Pigtail for Sealed Side Marker Tail Trailer Clearance Lights, 6" Long 2 Prong, Marker Lights Wiring Plug Fit 2" 2.5" Side Markers

Electrical Wiring Harnesses
Ronybuy 10x Markers Wire Plug - 2 Wire Pigtail for Sealed Side Marker Tail Trailer Clearance Lights, 6" Long 2 Prong, Marker Lights Wiring Plug Fit 2" 2.5" Side Markers Cover
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[Description] Pack of 10pcs of 2 prong male pigtails wire plugs, they can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] The plug harness connector is 2-Pin and 90°design, 6" long to connect with your lights easily. White is ground and black is positive. A #10 ring terminal of white wire is for easy grounding.
[Application] Fits 2" and 2.5" side markers and clearance lights, or any clearance or side marker lights that require a 2 prong male plug, or a replacement for any other devices that require a PL-10 2-Pin plug. Fits most trucks & trailers, and more.
[Easy Installation] Simply connect the 2 pins to the terminal before grounding the ring terminal to the chassis and connecting to a power source. Please note the connector plugs should work with round rubber grommets.
[Worry-free Purchase] 2-Year, 45 days money back. The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy 50 Count 2-Prong Double Female Bullet Plug Wire Harness Roll, 2 Prong Continuous 18AWG Wire Harness 6" Lead Spacing, for Marker Light Clearance Lights Trucks & Trailers

Electrical Wiring Harnesses
Ronybuy 50 Count 2-Prong Double Female Bullet Plug Wire Harness Roll, 2 Prong Continuous 18AWG Wire Harness 6" Lead Spacing, for Marker Light Clearance Lights Trucks & Trailers Cover
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[Description] It's a 50 count continuous 2 prong female wire harness roll for side marker clearance lights. You can cut it to the length or quantity you need. It can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] 50 count for each roll, 6"/15cm lead spacing between each 2 Pin female plug. 0.18" female bullet type plug contact design.
[Application] This can be used on semi trucks & trailers, ATV, UTV, campers, tractors, service trucks, buses, service vans, utility trucks, parade floats, horse trailers, utility trailers, pick up trucks, etc. Fit any clearance or side marker lights that require a 2 pin female plug or socket connector.
[Features] Waterproof over molded plug housing. Quality insulated 18AWG wire, 0.8mm diameter, 0.5mm² cross section area. The excellent PVC material makes it corrosion-resistant and anti-aging.
[Worry-free Purchase] 2-Year, 45 days money back. The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy 100 Count 3-Prong Triple Female Bullet Plugs 18 Gauge Continuous Wire Harness Roll - 12" Lead Between Plugs, 3 Pin Light Connector Wiring Harness for Side Marker Clearance Trucks & Trailers

Electrical Wiring Harnesses
Ronybuy 100 Count 3-Prong Triple Female Bullet Plugs 18 Gauge Continuous Wire Harness Roll - 12" Lead Between Plugs, 3 Pin Light Connector Wiring Harness for Side Marker Clearance Trucks & Trailers Cover
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[Description] It's a 100 count continuous 3 prong female wire harness roll for side marker clearance lights. You can cut it to the length or quantity you need. It can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] 100 count for each roll, total 115' in length. 12"/30cm lead spacing between each 3 Pin plug connector. White is negative/ground, red and black is positive.
[Application] This can be used on semi trucks & trailers, ATV, UTV, campers, tractors, service trucks, buses, service vans, utility trucks, parade floats, horse trailers, utility trailers, pick up trucks, etc. Fit any clearance or side marker lights that require a 3 pin male plug or socket connector, or lights that require a 0.180" female bullet type plug.
[Features] Waterproof over molded plug housing. Quality insulated 18AWG wire. The excellent PVC material makes it corrosion-resistant and anti-aging. Long lifespan and it can work in any harsh weather.
[Worry-free Purchase] 2-Year, 45 days money back.The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy 4-PIN 12V DC IP65 Waterproof Relay with Harness 40/30 AMP Relay Switch - Heavy Duty 12&16 AWG Tinned Copper Wires, SPST Automotive Relay Kit for Horns Starters Radiator Motor Fans, Pack of 1

Accessory Power Relays
Ronybuy 4-PIN 12V DC IP65 Waterproof Relay with Harness 40/30 AMP Relay Switch - Heavy Duty 12&16 AWG Tinned Copper Wires, SPST Automotive Relay Kit for Horns Starters Radiator Motor Fans, Pack of 1 Cover
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[IP65 Waterproof] The shell of 4-pin relay harness kit is made of the durable insulation material, the 4 terminals are sealed with strong cap and the rubber ring, making it connected tightly for better waterproof and dustproof so it can work in any harsh environments.
[Heavy-duty Copper Wires] The 4-PIN relay come with 4 colored wires harness,the pin 87 Blue & pin 30 Red are 12AWG and pin 85 Black & pin 86 White are 16AWG. The tinned copper wires are durable and reliable. Just plug and play and enjoy your ride.
[Specification] 12VDC(14V Max) and 40A/30A High Switching Capability. Keep 10-15% below the rate. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/C (87). The 4 pin relay kit works for both positive and negative activation.
[Wide Application] Compatible with most universal 12V 4-Pin automotive relay with 40A switching capability,including car lights,horns,starters,cooling fans,speakers,wipers,traction control systems,rear window defrosters ect. Perfect relay switch kit replacement for car,boats,off-road vehicles,and family circuit work.
[Notice] Make sure follow the wiring diagram in the picture.Be gentle when inserting the relay into the socket.For your safety, we highly recommend professional technicians to install the part. If you have meet any problem, welcome to message us for help.

Ronybuy Electric Fuel Pump Relay Kit 12V Fuel Pump Bypass Harness, 40 AMP Waterproof Relay Wiring Kit Electric Switches Universal Fit 12Volt System P/N 30247 Heavy Duty Long Wires

Fuel Pump Relays
Ronybuy Electric Fuel Pump Relay Kit 12V Fuel Pump Bypass Harness, 40 AMP Waterproof Relay Wiring Kit Electric Switches Universal Fit 12Volt System P/N 30247 Heavy Duty Long Wires Cover
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[Application] The electric fuel pump relay kit is 40 Amp and universal for 12V ststem, perfect replacement for OEM P/N 30247. Relay is 40A,Fuse is 30A.Fit for any device with 12V activation but no more than 40 amperes.
[Function] This heavy duty long wire relay bypass kit helps to build a new fuel supply and electrical system. It can obtain a larger volume of fuel supply to maintain constant fuel pump pressure based on the regular stock fuel system, preventing the electric system from being damaged caused by the overload of the electronic fuel pump at the same time.
[Easy Installation] All wires are color-coded and you can find the wiring diagram in the package. 10 feet 10 gauge RED wire to +12V battery, 6 feet 10 gauge ORANGE wire to fuel pump, 2 feet 16 gauge BROWN wire to 12V trigger switch, 4 feet 16 gauge BLACK wire to chassis ground. Just plug and play.
[Durable Design] The fuel pump relay bypass kit is waterproof. The heavy duty design make it safe and durable so it can work in any harsh conditions. Worry-free Purchase, 2-Year, 45 days money back.
[Package Include] Includes everything you need: 1x 40 Amp Heavy Duty Waterproof Relay;1x Relay Base with Wire Harness;1x Inline Waterproof Fuse Holder;1x 30 Amp Fuse;2x Relay Mount Screws;3x Heat Shrinkable Ring Terminals;2x Heat Shrinkable Wire Connectors;5x Plastic Cable Ties;1x Wiring Diagram

Ronybuy 20x 3 Wire Plugs, Triple Male Bullet Wire Harness Roll, Right Angle 18AWG 3 Prong Pigtail Harness for Stop Turn Tail Light, Trucks & Trailers, Continuous 20 Plugs, 10" Lead Spacing

Electrical Wiring Harnesses
Ronybuy 20x 3 Wire Plugs, Triple Male Bullet Wire Harness Roll, Right Angle 18AWG 3 Prong Pigtail Harness for Stop Turn Tail Light, Trucks & Trailers, Continuous 20 Plugs, 10" Lead Spacing Cover
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[Description] It's a 20 count continuous 3 prong male wire harness roll for side marker clearance lights. You can cut it to the length or quantity you need. It can be used to replace the OE plug of tail/trailer/clearance/marker lights.
[Specification] 20 count for each roll, total 21' in length. 10"/25cm lead spacing between each 3 Pin plug connector.
[Application] Fits 4" round lights and 6" oval lights. This can be used on semi trucks & trailers, ATV, UTV, campers, tractors, service trucks, buses, service vans, utility trucks, parade floats, horse trailers, utility trailers, pick up trucks, etc. Fit any tail or side marker lights that require 3 prong male wire plug or socket connector.
[Features] Waterproof over molded plug housing. Quality insulated 18AWG wire, 0.8mm diameter, 0.5mm² cross section area. The excellent PVC material makes it corrosion-resistant and anti-aging.
[Worry-free Purchase] 2-Year, 45 days money back. The trailer light Harness wire is DOT Certified and Meets SAE requirements.

Ronybuy Dual Electric Fan Relay Kit 40 AMP Automotive Relay Thermostat Switch Kit for Radiators Fans Temperature Sensor Switch 185 On 175 Off, 12V Electric Cooling Radiator Fan Relay Switch Wiring Kit

Engine Radiator Cooling Fan Motor Relays
Ronybuy Dual Electric Fan Relay Kit 40 AMP Automotive Relay Thermostat Switch Kit for Radiators Fans Temperature Sensor Switch 185 On 175 Off, 12V Electric Cooling Radiator Fan Relay Switch Wiring Kit Cover
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[Compatibility] The dual electric radiator fan relay kit fits 10,12,14,16 inch cooling fans. Fit for engines 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 351M 400M 273 318 340 360 361 383 400 413 426W
[Easy Installation] Just follow the wiring diagram to wire your dual electric fans relay kit. RED to 12VDC Positive Battery Terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit.
[Specifications] This electric fan relay wiring kit is 40 AMP and 12V. The thermostat swtich is 3/8" NPT pipe thread with 1/2" adapter included, it turns on at 185 and off at 175 Degrees. The relay is waterproof so it can work in any harsh conditions.
[Package Include] Includes everything you need: 2x 40A relay with harness;1x 3/8" thermostat switch;1x 3/8" to 1/2" adapter;2x inline fuse holder;2x 20 Amp fuse;4x wire connectors;8x ring terminals;1x wiring diagram
[Important] The thermostat MUST be grounded through the threads to the engine in order for it to work, and the engine MUST be grounded. If you mount high-profile fans, be sure to crimp or solder bigger wires to it since the 14AWG wires (15 amps) are not big enough for high amps draw.

Ronybuy H4 Relay Harness 9003 Headlight Relay Wiring Kit Ceramic Socket Plugs for 7x6 5x7 H6054 6054 Headlights Conversion Kit, Fit for Toyota 95-97 Tacoma 88-95 Pickup, Fix Dual Ground Problem

Electrical Wiring Harnesses
Ronybuy H4 Relay Harness 9003 Headlight Relay Wiring Kit Ceramic Socket Plugs for 7x6 5x7 H6054 6054 Headlights Conversion Kit, Fit for Toyota 95-97 Tacoma 88-95 Pickup, Fix Dual Ground Problem Cover
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[Functions] If you have trouble with 7x6" , 4x6", or 5-3/4" headlights not working properly, such as dim headlight, back feeding power, flickering headlight and overheating plugs and overheating the headlight switch, malfunctioning H4 9003 headlights when using high low beams,this relay kit can be the solution.
[Compatibility] Perfect relay wire harness kit replacement for H4 9003 headlight, H6054 H5054 H6054LL 6014 6052 6053 LED headlights relay conversion kit. With this kit, you will have further and wider visibility to see the deer, wild animals, falling rocks or other obstacles in advance to ensure safer driving at night. 30%-50% brightness improved than before or a new car.
[Fitment] The H6054 headlights relay wiring harness H4/9003 led headlight relay kit can be used for pickup 7x6 5x7 headlights upgrade. Fit for Toyota 95-97 Tacoma 88-95 pickup headlights. Plug and play, you can find the wiring diagram in the package.
[High Quality] The 40A H4 relay conversion kits is waterproof and come with two relays and ceramic socket plugs which are heat-resistant and corrosion-resistant, durable and stable, can work in any harsh conditions. The built-in 25A fuse ensures the safety and long lifespan.
[Notice] Please make sure the working voltage is 12V, since this headlight relay harness doens't fit 24V voltage.If your socket PINs on your vehicle are not standard to guarantee your 4"x6" 7"x6" 5"x7" work normally, the H4 9003 HB2 relay wiring harness is needed.

Ronybuy Trailer Light Brackets Mounting L Shape Premium Galvanized Steel Tail Lights Mounting Bracket for Boat Utility Trailer Lights Parts Accessories, 4.5 x 3 x 1.5 Inch, Pack of 2

Trailer Lighting
Ronybuy Trailer Light Brackets Mounting L Shape Premium Galvanized Steel Tail Lights Mounting Bracket for Boat Utility Trailer Lights Parts Accessories, 4.5 x 3 x 1.5 Inch, Pack of 2 Cover
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[Specification] The size of trailer light brackets is 4.5 x 3 x 1.5 inches / 11.46 x 7.64 x 3.82 cm, thickness is 2mm. the L shaped design is for easy installation.It can be used on most trailers.
[Premium Quality] The trailer tail light bracket is galvanized steel material, rust-resistant, durable and solid. The 2mm thickness helps prevents from breakage. Just intall and enjoy your ride, can work in any harsh weather.
[Easy Installation] The mounting bracket comes with pre-drilled circle and squares holes, provide convenience for intallation.If there's no proper pre-drilled holes in your trailer, just simply drill two new holes to secure the lights and wires.
[Wide Application] Universally fit for led tail lights on trailers, RVs, off-road vehicles, UTVs, ATVs, SUVs, pickup, trucks, tractors, buses, heavy trucks, campers, etc. Make sure to check the diagram and measure the size before installation.
[What You Get] 2x of L shape trailer light brackets. Worry-free Purchase, 2-Year, 45 days money back.

Ronybuy JD1912 Automotive Relay Switch Kit 4-Pin 40A 12V Relays with Harness Sockets 12&16 AWG Tinned Copper Wires, SPST 40 AMP Car Relay Kit, for Car Truck Van Motorcycle Boat, Pack of 2

Car Starter Relays
Ronybuy JD1912 Automotive Relay Switch Kit 4-Pin 40A 12V Relays with Harness Sockets 12&16 AWG Tinned Copper Wires, SPST 40 AMP Car Relay Kit, for Car Truck Van Motorcycle Boat, Pack of 2 Cover
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[Heavy-duty Copper Wires] The 40A 12V relay harness kit come with interlocking harness socket holder and heavy-duty pigtail. The primary leads Blue & Red are 12AWG and Black & White are 16AWG. The tinned copper wires are durable and reliable.
[SPST Design] The relay switch kit is 4-Pin and SPST design,Single Pole Single Throw. The wires harness are colored for easy installation. Just plug and play and enjoy your ride.
[Specification] 12VDC and 40A High Switching Capability. Keep 10-15% below the rate. White - to ground (86), Red - to device (87), Black - to positive trigger (85), Blue - to positive trigger (30)
[Wide Application] Compatible with 12V 4-Pin automotive relay with 40A switching capability，widely used on car truck van motorcycle boat,ect that needs a 12V/40A relay switch harness kit. Life Expectancy: 10,000,000 Operations
[Notice] Make sure follow the wiring diagram in the picture. Be gentle when inserting the relay into the socket.For your safety, we highly recommend professional technicians to install the part. If you have meet any problem, welcome to message us for help.

Ronybuy 3/4" Round 304 Stainless Steel Trim Bezel Ring For 3/4" LED Marker Lights, Mini Chrome Bezels For All 3/4 Inch Round Marker Clearance Lights Accent Marker Lights for Trailer Truck, Pack of 100

Vehicle Top Clearance Light Assemblies
Ronybuy 3/4" Round 304 Stainless Steel Trim Bezel Ring For 3/4" LED Marker Lights, Mini Chrome Bezels For All 3/4 Inch Round Marker Clearance Lights Accent Marker Lights for Trailer Truck, Pack of 100 Cover
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[Dimensions] The chrome bezel rings can decorate the vehicles' 3/4" marker lights. The inner diameter is 0.6"/16mm,the outer diameter is 1.2"/30mm.
[Premium Material] The 3/4 inch round trim bezel rins are made of 304 stainless steel with polished surface,not only anti-rust and anti-corrosion, but also make your lights installed firmly and more good-looking. Durable and reliable.
[Quick Installation] Just put the stainless steel trim ring between the light and grommet,then install the lights and tighten the whole kit. Fix the position and finished. Make sure your lights are 3/4" before purchase.
[Package Include] 100Pcs of stainless steel chrome ring covers. LIGHTS NOT INCLUDED.
[Worry-free Purchase] 2-Year, 45 days money back. Please be free to email us if you meet any problem.

Ronybuy FAQs

Yes, Ronybuy is a legitmate brand on Amazon. After conducting a comprehensive analysis of 47 customer reviews for Ronybuy products on Amazon, we have determined its average rating. With a strong performance and good quality, Ronybuy has received an average rating of 4.91 from numerous buyers, indicating that Ronybuy are trustworthy and live up to their claims. Therefore, it is safe to make purchases from Ronybuy on Amazon.

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There are usually 5 to 10 products in a brand buying guide. We found 32 Ronybuy products for sale, 20 of which were analyzed in detail and recommended to customers.

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