Fastronix Solutions

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When purchasing a product, price is the consumer's primary concern. At present, Fastronix Solutions has 110 products for sale. Fastronix Solutions products range in price from $7.99 to $73.99, and the average price of all the products is about $25.6.

You can confidently purchase Fastronix Solutions products from the seller Legacy Motorsports. The brand holds an average rating of 4.6, testifying to its excellent reputation.

Fastronix Solutions Best Sellers

Last Updated: Jan 9, 2026

Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made

Battery Terminals & Ends

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3/8" Studs Rated to 440 Amps @ 12 Volts with Momentary 550 Amp Spikes

Mount in Panels up to 7/16" Thick in a 1-17/64" Hole

Durable Nylon Backing Nut Eliminates any Question of Shorting and These Can be Mounted in Metal Panels

Inner Copper Core for High Current Applications

Use with Fastronix Rubber Terminal Covers 404-110 and 404-111 for a Professional Installation

Fastronix Top Post Battery Compression Terminal (1 and 2 Gauge Positive)

Battery Terminals & Ends

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Top Post Positive Battery Clamp Terminal with Label

Great for Replacing Corroded Battery Ends

Easy Installation with Simple Hand Tools

No Soldering or Crimping Required!

Use with 1 or 2 Gauge Battery Cable (Conductor Size 0.2576"- 0.2893")

Fastronix Side Post Battery Terminal Cover Set USA Made (Red)

Battery Terminals & Ends

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UNIVERSAL FIT: Compatible with 2 gauge to 2/0 gauge wire and ring terminals, providing versatile battery terminal protection

Includes One Red and One Black Cover for Proper Polarity Identification on Battery Terminals

Durable PVC Construction Provides Long Lasting Protection and Flexibility to Fix Various Wire Sizes

Use to Comply with ISO 10133, UL Rating of V2

Fastronix 3/8" 2 Post (SPST) 180/1000 Amp High Current Battery Disconnect Switch

Car Battery Switches

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Rated to 180A Continuous or 1000A Intermittent

Mounts in 3/4" Hole or Add Fastronix 980-000 Switch Mount to Install on any Surface with Two 1/4" Holes.

Provides Single Power Cut off to Entire Electrical System

Required for NHRA Competition When Battery is Relocated

Works Great As a Power Disconnect for RV's When Not in Use

Fastronix 404-110 Terminal Covers Provide Electrical Protection to the Studs

Fastronix Military Spec Battery Terminal Top Post Kit

Battery Terminals & Ends

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USA Made Battery Terminals and Covers!

(1) Positive and (1) Negative Lead Alloy Battery Terminals for Increased Strength and Reduced Corrosion

(4) 3/4"x 1-1/2" adhesive lined heatshrink (4) 2 gauge 3/8" copper lugs

(1) Red and (1) Black Military Spec Battery Terminal Covers

All in One Kit for Multiple Battery Installations (Battery Cable Not Included)

Fastronix Red and Black Top Post Style Flexible Battery Terminal Cover

Battery Terminals & Ends

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Use for a Professional looking Battery Installation

Slides on up to 2/0 Gauge Cable Prior to Installing Battery Terminal

Includes 1 Red and 1 Black Terminal Cover

Use with Fastronix 405-003 and 405-004 for a Complete Installation

Fastronix 250 Amp MEGA/AMG Fuse Holder Kit

Car Fuse Holders

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Includes Fuse Holder, 250 Amp Fuse, and Cable Boot Covers

4 Convenient Mounting Holes

5/16" Studs with Boots that Fit Wire up to 2/0 Gauge

Great for Vehicles Being Towed to Prevent Catastrophic Shorting

See Fastronix 501-149 for Spare 250A Fuses

Fastronix Top Post Military Spec Battery Terminal and Cover Kit

Battery Terminals & Ends

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Made in the USA!

(1) Positive and (1) Negative Lead Battery Terminals and (1) Set of Durable Military Battery Terminal Covers

Use to Replace Worn Out or Corroded Battery Terminals and Covers

Each Terminal Can Hold Multiple Battery Cable Leads

Standard 3/8" Bolt Holds All Leads Tightly on the Connector

Fastronix Heavy Duty 200A Starter Solenoid

Car Starter Solenoids

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Ford Style Solenoid Rated to 200 Amps Starting Power at 12V

5/16" Copper Main Studs and #10-32 Trigger Stud

Can be Mounted in ANY Orientation with 1/4" Bolts

Instructions/Wiring Diagram Included

Use with Fastronix 404-112 Terminal Covers and 405-012 Copper Lugs

Fastronix 300A 1/2" Severe Duty Battery Disconnect Switch with Face Plate

Car Battery Switches

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1/2" Copper Main Studs Rated to 300A@12VDC Continuous and 2000A Intermittent

Can be Used in Single Pole or Dual Pole Configuration

Index Pin to Prevent Rotation after Installation

Optional Use Smaller Auxiliary Studs Rated to 20A@12VDC for Indicator Light or Small Accessory

Use with Fastronix 404-116 Terminal Covers for a Professional Installation

Fastronix Solutions High Current Double Pole Master Battery Disconnect Switch (4-Post) Kit

Car Battery Switches

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Easy to Use Kit for a Professional Installation

High Current 3/8" Studs rated to 180A Continuous/1000A Intermittent and 10-32 Studs rated to 20A

(2) #2 3/8" Copper Lugs, H.D Heat Shrink to Seal Connections, and 2 - Rubber Terminal Insulators

Buy Quality with Fastronix!

Meets requirements of NHRA and SCCA

Fastronix 500A Ultimate Duty Battery Disconnect Switch with Mounting Bracket and Hardware

Car Battery Switches

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Rated to 500A at 12V / 300A at 24V Continuous Duty 2000A Intermittent at 12V

Mounting Bracket and Hardware Included, Mount in 96 Configurations

M10 Studs Compatible with 3/8" Wire Terminals

Heavy Duty Handle can be Held in Place with Roll Pin (Included) or #10 Machine Screw (Not Included)

Use Mounting Bracket as a Template to Mount the Switch in any Panel up to 1/2" Thick

Sealed Internals to IP66 / IEC529 Standards

Use with Fastronix 404-110 Terminal Covers for a Complete Installation

Fastronix 30 Amp 3 Way Universal Push/Pull Switch

Car Pushbutton Switches

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Automotive Style Push Pull Switch that can be Used with Many Accessories

Mounts in a 7/16" Hole in Panels up to 1/4" Thick

Secure Screw Terminal Contacts Rated to 30 Amps@14VDC

Use to Control Dash Lights, Parking Lights, and Head Lights with 1 Switch

Use with Fastronix 500-000 Fuse Holders for Complete Circuit Protection

Fastronix 50/30 Amp Weatherproof Automotive Relay and Socket Kit

Accessory Power Relays

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OEM Locking Style Relay Rated to 30 Amps Normally Closed. and 50 Amps Normally Open

Vibration Resistant and Sealed

Socket Features 12" Copper Wire Leads - (3) 12 Gauge Primary Leads, (2) 18 Gauge Coil Leads

Great for Powering Off Road Lights and Accessories

Wiring Diagram and Mounting Tab Included

Fastronix Solutions High Current Master Battery Disconnect Switch Kit

Boat Battery Switches

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Easy to Use Kit for a Professional Installation

High Current (180A Continuous/1000A Intermittent) Battery Disconnect Switch with Black On/Off Plate

Contains #2 3/8" Copper Lugs, Heavy Duty Heat Shrink, and Rubber Terminal Insulators

Works Great As a Power Disconnect for RV's When Not in Use

Fastronix Weatherproof Neoprene Cover for Toggle Switches 2 Pack

Wall Plates

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Universal Use with All Toggle Switches with a 15/32" Base

Durable Neoprene Cover Encapsulates the Entire Movable Portion of a Toggle Switch

Metal Threaded Hex Insert to Ensure Secure Attachment

Includes 2 Boots with 15/32"-32 Metal Threads

Fastronix 3/8" Stud Terminal Covers (Red)

Battery Terminals & Ends

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Includes 2 Red Terminal Boots

Use with 3/8" or Smaller Studs

Prevent Incidental Shorting

Improve the Appearance of Your Power and Grounding Studs

Fastronix Top Post Battery Cable Compression Terminal (4 Gauge Negative)

Battery Terminals & Ends

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Top Post Negative Battery Clamp Terminal

Great for Replacing Corroded Battery Ends

Easy Installation with Simple Hand Tools and Instructions

No Soldering or Crimping Required!

Use with Fastronix 404-100 Battery Terminal Cover for a Professional Installation

Fastronix Crimpless Top Post Positive Battery Terminal 1 & 2 Gauge Cable

Battery Terminals & Ends

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Positive Battery Terminal for Top Post Battery

Fits 1 Gauge and 2 Gauge Battery Cable

Install with Simple Tools! Simply Heat the Terminal with a Torch While Applying Pressure to the Wire

Cast Copper Alloy Construction with Tin Plating to Resist Corrosion

Solder and Flux Inside Terminal for a Strong and Secure Connection

Pair with Fastronix 404-100 Terminal Covers for a Complete Installation

Fastronix Weather Pack Pin Removal Tool

Electrical System Tools

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Simply slide over terminal pin and pull wire out

You to reconfigure connector just in case you make a mistake or want to re-use connector

Fastronix Weather Pack Pin Removal Tool

Simply slide over terminal pin and pull wire out

Fastronix Solutions FAQs

Is Fastronix Solutions Legit?

Yes, Fastronix Solutions is a legitmate brand on Amazon. After conducting a comprehensive analysis of 4,606 customer reviews for Fastronix Solutions products on Amazon, we have determined its average rating. With a strong performance and good quality, Fastronix Solutions has received an average rating of 4.6 from numerous buyers, indicating that Fastronix Solutions are trustworthy and live up to their claims. Therefore, it is safe to make purchases from Fastronix Solutions on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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