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When purchasing a product, price is the consumer's primary concern. At present, MASTERCOOL has 244 products for sale. MASTERCOOL products range in price from $31.98 to $1814.96, and the average price of all the products is about $355.63. You should take everyting into consideration before buying the products, after all, it is not a small expenditure for most consumers.

We found that most of the MASTERCOOL products are manufactured by MASTERCOOL INC. The manufacturer provides MASTERCOOL with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase MASTERCOOL products on Amazon.com. The brand holds an average rating of 4.5, testifying to its excellent reputation.

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MASTERCOOL Best Sellers

Last Updated: Jan 9, 2026

Mastercool 72485-PRC Universal Hydraulic Flaring Tool – 45° Double & Single Flares, Push Connect, GM Fuel Line, Brake Line & GM Transmission Cooling – Includes Hydraulic Ram & Mini Tube Cutter

Brake Repair Brake Flaring Tools
Mastercool 72485-PRC Universal Hydraulic Flaring Tool – 45° Double & Single Flares, Push Connect, GM Fuel Line, Brake Line & GM Transmission Cooling – Includes Hydraulic Ram & Mini Tube Cutter Cover
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  • THE ORIGINAL MASTERCOOL HYDRAULIC FLARING TOOL – Mastercool pioneered and patented the first hydraulic flaring tool, setting the industry standard for precision, reliability, and durability. Trusted by auto repair shops, fleet mechanics, and professional technicians worldwide.
  • NOW WITH GM TRANSMISSION COOLING LINE DIES & ADAPTERS – Includes new GM transmission cooling line dies and adapters, making it the ultimate hydraulic flaring tool for GM fuel & transmission lines, brake lines, and hydraulic tubing.

Mastercool 72475-PRC Universal Hydraulic Flaring Tool Set – Patented Design – 45° Double & Single Flares, Push Connect, GM Fuel Line, Brake Line – Includes Hydraulic Ram & Mini Tube Cutter

Brake Repair Brake Flaring Tools
Mastercool 72475-PRC Universal Hydraulic Flaring Tool Set – Patented Design – 45° Double & Single Flares, Push Connect, GM Fuel Line, Brake Line – Includes Hydraulic Ram & Mini Tube Cutter Cover
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  • THE ORIGINAL HYDRAULIC FLARING TOOL – DESIGNED BY MASTERCOOL – Mastercool pioneered and patented the hydraulic flaring tool, setting the industry standard for creating precision flares in brake lines, fuel lines, and transmission lines.
  • HEAVY-DUTY STEEL CONSTRUCTION FOR MAXIMUM DURABILITY – Built with a reinforced high-strength steel body, this tool delivers leak-free flares and long-lasting reliability, making it a must-have for professional mechanics and repair shops.

Mastercool 69110 Automotive A/C Recovery System – SAE J2810 Certified, 30 lb DOT Tank, 1/2 HP Oil-Less Compressor, Automatic Shut-Off, Compatible with R134a, R12, R22, R410A

Refrigerant Recovery Tools
Mastercool 69110 Automotive A/C Recovery System – SAE J2810 Certified, 30 lb DOT Tank, 1/2 HP Oil-Less Compressor, Automatic Shut-Off, Compatible with R134a, R12, R22, R410A Cover
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  • Complete Recovery Kit – Includes a 30 lb DOT-approved recovery tank, 60” yellow service hose, and 72” blue and red conversion hoses, enabling simultaneous high and low-side recovery for increased efficiency. A safety high-pressure cut-off switch adds an extra layer of protection during operation.
  • SAE J2810 Certified for Professional Recovery – Meets SAE J2810 standards, ensuring industry-compliant refrigerant recovery and oil separation, making it the ideal tool for automotive A/C technicians.
  • Recovers All Common Refrigerants – Handles R134a, CFCs (R12), HCFCs (R22), and HFCs, making it versatile for both automotive and refrigeration applications.

Mastercool 89661-PRO Automotive R134a 2-Way Manifold Gauge Set with 3-in-1 Can Tap Valve – U.S. Designed, Assembled, and Tested – Includes 60" Hoses and Manual Couplers

Car Gauge Sets
Mastercool 89661-PRO Automotive R134a 2-Way Manifold Gauge Set with 3-in-1 Can Tap Valve – U.S. Designed, Assembled, and Tested – Includes 60" Hoses and Manual Couplers Cover
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  • 100% U.S. Designed, Assembled & Tested – Specifically built for R134a automotive A/C systems, this manifold gauge set delivers professional-grade performance, making it ideal for frequent use and long-lasting reliability.
  • Durable Aluminum Block Construction – Designed with a rugged extruded aluminum body, featuring free-floating piston valves that reduce O-ring wear and extend the tool's lifespan for consistent, long-term performance.
  • Accurate 2.5" Recalibrateable Gauges – Silicone-dampened gauges minimize needle flutter, ensuring precise pressure readings for reliable A/C system diagnostics.

Mastercool 69372 Dual Refrigerant Recovery System – Compatible with R134a & R1234yf, 1/2 HP Oil-Less Compressor, Dual Manifold Gauge Set, 30 lb DOT Tanks with Float Switch

Refrigerant Recovery Tools
Mastercool 69372 Dual Refrigerant Recovery System – Compatible with R134a & R1234yf, 1/2 HP Oil-Less Compressor, Dual Manifold Gauge Set, 30 lb DOT Tanks with Float Switch Cover
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  • Complete Recovery System for R134a & R1234yf – Engineered to recover both R134a and R1234yf refrigerants, making it ideal for a wide range of automotive A/C systems. Includes a dual brass R134a/R1234yf manifold gauge set and all necessary accessories for immediate use.
  • Spark-Free Components for Maximum Safety – Built with spark-free components, ensuring safe operation with flammable refrigerants while complying with industry safety standards for automotive A/C recovery.
  • Powerful Dual-Piston Oil-Less Compressor – Equipped with a 1/2 HP oil-less compressor, featuring a dual-piston design that delivers high recovery rates, while reducing weight and footprint for easier transport.

Mastercool 43301-A 27‑Piece Radiator Pressure & Vacuum System Kit – Professional Leak Tester & Coolant Refill Tool with Durable Gauge and 19 Adapter Set (0–35 psi)

Pressure & Vacuum Testers
Mastercool 43301-A 27‑Piece Radiator Pressure & Vacuum System Kit – Professional Leak Tester & Coolant Refill Tool with Durable Gauge and 19 Adapter Set (0–35 psi) Cover
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  • 27‑PIECE PROFESSIONAL KIT – Includes hand pump, vacuum refill tool, thermometer, universal radiator cap, coolant hose, cap connectors, and 19 radiator adapters
  • PRESSURE + VACUUM FUNCTIONALITY – Diagnose both external and internal cooling system leaks and refill coolant without introducing air
  • ACCURATE 0–35 PSI GAUGE – Durable, workshop-tested pressure gauge ensures precise and consistent readings
  • 19 VEHICLE-SPECIFIC ADAPTERS – Includes adapters #2–#4 (steel) and #6–#17, #19, #21–#23 (aluminum), plus blue and black cap connectors (R123/R125 and R123/R124)
  • BUILT FOR LONGEVITY – Aluminum and steel construction with reinforced fittings for daily shop use

Mastercool 59161 2-Way Heavy Duty Brass Manifold Gauge Set with 3 1/8" Silicone Dampened Gauges and 1/4" SAE Fittings for R410a, R22, R404A - U.S. Assembled & Tested with 60" Hoses

Car Gauge Sets
Mastercool 59161 2-Way Heavy Duty Brass Manifold Gauge Set with 3 1/8" Silicone Dampened Gauges and 1/4" SAE Fittings for R410a, R22, R404A - U.S. Assembled & Tested with 60" Hoses Cover
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  • 100% U.S. Designed, Assembled & Tested – Engineered with precision and craftsmanship, ensuring top-tier performance for demanding HVAC and refrigeration applications.
  • Heavy-Duty Forged Brass Body – Built for lifelong durability and maximum endurance, making it the ideal choice for professional technicians.
  • Advanced Free-Floating Piston Valves – Reduces internal friction and wear, significantly extending the lifespan of O-rings for smoother and more reliable operation.
  • Premium Grade 5 High-Pressure Hoses – Includes three 60" kink-resistant, flexible hoses with ¼” SAE standard fittings, utilizing advanced rubber technology for superior performance under high pressure.

Mastercool 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”)

Brake Repair Brake Flaring Tools
Mastercool 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) Cover
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  • COMPLETE 37° FLARING & DOUBLE FLARING KIT – Includes 37° cone, 5 die sets, and 5 matching adapters (3/16”, 1/4”, 5/16”, 3/8”, 1/2”)
  • HYDRAULIC TOOL COMPATIBLE – Engineered to work with Mastercool's hydraulic flaring system for fast, precise results
  • WIDE-RANGE APPLICATIONS – Supports hydraulic systems, aerospace/AN fuel & oil lines, racing performance plumbing, and HVAC tubing
  • PROFESSIONAL-GRADE DURABILITY – Hardened steel construction built for long service life under demanding use
  • RELIABLE, LEAK-FREE SEALS – Produces accurate 37° single or double flares meeting SAE J514 / ISO 8434-2 standar

Mastercool 43306 Heavy‑Duty Cooling System Pressure Test & Refill Kit – Shop‑Air Leak Tester and Vacuum Fill Tool with Vacuum Attachments & Heavy‑Duty Adapters – U.S. Quality and Support

Cooling & Water Pump Tools
Mastercool 43306 Heavy‑Duty Cooling System Pressure Test & Refill Kit – Shop‑Air Leak Tester and Vacuum Fill Tool with Vacuum Attachments & Heavy‑Duty Adapters – U.S. Quality and Support Cover
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  • BUILT FOR PROFESSIONAL FLEET MAINTENANCE – Designed for heavy-duty trucks from Freightliner, International, Kenworth, Peterbilt, Mack, Volvo, GMC, and Sterling
  • SHOP-AIR PRESSURE SYSTEM – Utilizes regulated shop air (recommended 90–125 psi) to maintain constant pressure during service—no bulky hand pumps needed
  • QUICK-DISCONNECT VACUUM ATTACHMENTS – Four fittings ensure fast coolant refill and eliminate airlocks for a smoother, faster service
  • AVOID RUBBER PLUG FAILURES – Engineered to remove unreliable plugs or bladders—cuts setup time and boosts diagnostic accuracy

Mastercool 43050 Air-Powered Brake Caliper Wind-Back Tool Kit – 15-Piece Adapter Set, Left/Right Hand Operation, 3/8” Drive, Magnetic Base

Car Brake Kits
Mastercool 43050 Air-Powered Brake Caliper Wind-Back Tool Kit – 15-Piece Adapter Set, Left/Right Hand Operation, 3/8” Drive, Magnetic Base Cover
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  • AIR-POWERED BRAKE SERVICE TOOL – Uses pneumatic pressure to retract front and rear caliper pistons with a durable non-impact single piston shaft for efficient brake pad replacement
  • 15-PIECE PRESS ADAPTER SET – Compatible with most domestic and import vehicles including GM, Honda, Audi, BMW, Mercedes-Benz, Toyota, and more
  • LEFT OR RIGHT WIND-BACK OPERATION – Works with both clockwise and counterclockwise threaded brake calipers for broad vehicle coverage
  • MAGNETIC BASE FOR STABILITY – Securely holds adapter heads during compression for safe and accurate alignment

Mastercool 53010-AUT Automotive Pressure Testing Kit | Includes Nitrogen Pressure Regulator, Charging Hose, Leak Testing Adapter, R134a Coupler, Blow Molded Case | Professional-Grade for Leak Testing

Pressure & Vacuum Testers
Mastercool 53010-AUT Automotive Pressure Testing Kit | Includes Nitrogen Pressure Regulator, Charging Hose, Leak Testing Adapter, R134a Coupler, Blow Molded Case | Professional-Grade for Leak Testing Cover
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  • THE ULTIMATE AUTOMOTIVE A/C LEAK TESTING KIT – This kit includes the Mastercool 53001 Nitrogen Pressure Regulator, a 38” charging hose, leak testing adapter, and an R134a high-side coupler—all in a heavy-duty blow-molded case.
  • PRECISION ENGINEERING – TRUSTED BY PROFESSIONALS – Designed for automotive A/C technicians, the 53010-AUT Kit allows for accurate nitrogen pressure testing, ensuring leak-free A/C systems in cars, trucks, and heavy-duty vehicles.
  • HIGH-PRESSURE PERFORMANCE – BUILT FOR DEMANDING JOBS – Features a single-stage regulator with 4400 psig (300 bar) high-pressure gauge and a 1000 psig (70 bar) low-pressure gauge, ensuring consistent, stable pressure control.

Mastercool 62010 30 lb Refrigerant Recovery Cylinder, DOT-Approved, 1/4" FL-M Connections, HP295 Steel, Yellow/Gray (No Refrigerant Included)

Refrigerant Recovery Tools
Mastercool 62010 30 lb Refrigerant Recovery Cylinder, DOT-Approved, 1/4" FL-M Connections, HP295 Steel, Yellow/Gray (No Refrigerant Included) Cover
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  • 30 lb empty recovery cylinder made of durable HP295 steel, ideal for refrigerant storage (refrigerant not included).
  • Powder-coated finish in yellow/gray for corrosion resistance and long-lasting durability.
  • Compatible with all types of refrigerants, including CFCs, HFCs, HCFCs, and blends, such as R12, R22, R134a, and R410A.
  • Features a Y-valve design with 1/4" FL-M (7/16-20) fittings for secure connections, allowing for separate control of liquid and vapor recovery to enhance efficiency and safety.
  • Certified to DOT-4BA400 and CAN/CSA-B339-02 standards for safe transport​. 100% U.S. assembled and tested

Mastercool 86972 R134a 4-Way Aluminum Manifold Gauge Set with Manual Couplers, 3-1/8" Gauges, and 72" Hoses - U.S. Assembled & Tested

Car Gauge Sets
Mastercool 86972 R134a 4-Way Aluminum Manifold Gauge Set with Manual Couplers, 3-1/8" Gauges, and 72" Hoses - U.S. Assembled & Tested Cover
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  • 100% U.S. Designed, Assembled & Tested – Engineered for superior performance and durability, this professional-grade 4-way manifold gauge set is designed for R134a automotive A/C applications.
  • Heavy-Duty Aluminum Block Construction – Built with a solid extruded aluminum body, providing exceptional durability and long-lasting reliability, even under heavy, continuous use.
  • Stainless Steel Ball Valve Design – Quick quarter-turn operation allows for smooth, precise control of refrigerant flow, ensuring efficiency and accuracy in professional A/C servicing.

Mastercool 90066-2V-110-BL Black Series 6 CFM Two Stage Vacuum Pump, Dual Voltage 110V/220V, Thermally Protected Motor, High-Volume Fan, and Oil Drain Valve

Air Conditioning Line Repair Tools
Mastercool 90066-2V-110-BL Black Series 6 CFM Two Stage Vacuum Pump, Dual Voltage 110V/220V, Thermally Protected Motor, High-Volume Fan, and Oil Drain Valve Cover
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  • Advanced Two-Stage System: Achieves a deep vacuum level down to 15 microns, making it perfect for high-precision HVAC/R applications that require superior vacuum performance.
  • Dual Voltage Capability & Thermally Protected Motor: Operates on both 110V and 220V, providing flexibility across various job sites, while the thermally protected motor ensures safe, continuous operation under demanding conditions.
  • Efficient Cooling System: Features a high-volume fan, cooling fins, and a gas ballast valve to help maintain optimal operating temperatures and protect the oil from moisture exposure, promoting long-lasting efficiency and durability.

MASTERCOOL High Side Manual R134a 14 mm-F x 16 mm Coupler, 82834, Red

Air Conditioning Line Repair Tools
MASTERCOOL High Side Manual R134a 14 mm-F x 16 mm Coupler, 82834, Red Cover
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  • ALL METAL CONSTRUCTION for extra durability
  • SPRING LOADED DEPRESSOR will not damage service valves
  • REMOVE FROM SERVICE PORTS regardless of position without losing refrigerant
  • MEETS SAE, UL AND EPA REQUIREMENTS for containment of refrigerant
  • EASILY ADJUST TO R134a SERVICE PORTS with varying dimensions

Mastercool 71500-A Hydra-Krimp | The Original Patented Hydraulic A/C Hose Crimper | Crimps #6, #8, #10, #12, and Reduced Barrier Hoses | 10,000 PSI Hydraulic Power | 3-Year Tool Warranty

Air Conditioning Line Repair Tools
Mastercool 71500-A Hydra-Krimp | The Original Patented Hydraulic A/C Hose Crimper | Crimps #6, #8, #10, #12, and Reduced Barrier Hoses | 10,000 PSI Hydraulic Power | 3-Year Tool Warranty Cover
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  • ACCEPT NO IMITATIONS, Mastercool's US designed A/C crimper has been the standard for over 25 years
  • IDEAL FOR SHOP AND FIELD APPLICATIONS, the mobility of the 71500 allows the technician to work directly to repair or fabricate a/c hoses on the vehicle
  • HYDRAULIC BODY CREATES OVER 10,000 PSI OF PRESSURE allowing technicians to recrimp existing hose assemblies that might have a leak
  • MASTERCOOL'S DIES ALLOW FOR AN OE DESIGN 6 SEGMENTED CRIMP to ensure no leaks
  • EASY TO USE HYDRAULIC HAND-HELD PUMP crimps the hose fitting in under 10 pumps

Mastercool 72480 Hydraulic an Flaring Tool Kit – 37° & 37° Double Flares for an Fittings, Aviation & Specialty Automotive – Works with Steel & Light Stainless Tubing – Includes Hydraulic Ram & Dies

Brake Repair Brake Flaring Tools
Mastercool 72480 Hydraulic an Flaring Tool Kit – 37° & 37° Double Flares for an Fittings, Aviation & Specialty Automotive – Works with Steel & Light Stainless Tubing – Includes Hydraulic Ram & Dies Cover
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  • FABRICATES 37° & 37° DOUBLE FLARES FOR AN FITTINGS: Creates precise 37° AN flares and 37° double flares used in aviation, motorsports, and high-performance automotive applications.
  • WORKS WITH STEEL & LIGHT STAINLESS STEEL TUBING: Compatible with mild steel, light stainless steel, aluminum, and soft metal tubing, making it perfect for AN fuel lines, hydraulic systems, and custom fabrication projects.
  • INCLUDES COMPLETE DIE SET & ADAPTERS: Kit includes 3/16", 1/4", 5/16", 3/8", and 1/2" dies, matching 37° double flare adapters, and a precision 37° cone for AN flares.

Mastercool 98210-A Electronic Refrigerant Scale, Black

Air Conditioning Line Repair Tools
Mastercool 98210-A Electronic Refrigerant Scale, Black Cover
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  • RUGGED AND COMPACT DESIGN allows for easy portability to any job site
  • NON-SLIP 9 x 9” PLATFORM for easy weighing of refrigerant tanks with an accuracy of ≤±0.05% of reading
  • EXTRA LARGE LCD DISPLAY for easy reading from any angle
  • HIGH CAPACITY up to 243 lbs
  • CHARGE PROGRAMMING allows the user to program desired quantities. Before the charge is complete, an alarm will sound allowing ample time to turn off the refrigerant supply

Mastercool 71550 Manual A/C Hose Crimper | Bench-Mount or Vise Use | No Pins or Screws | Crimps #6, #8, #10, #12 Hoses | Professional-Grade, Durable, and Reliable

Air Conditioning Line Repair Tools
Mastercool 71550 Manual A/C Hose Crimper | Bench-Mount or Vise Use | No Pins or Screws | Crimps #6, #8, #10, #12 Hoses | Professional-Grade, Durable, and Reliable Cover
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  • BUILT TO LAST – PREMIUM QUALITY & RELIABILITY – Mastercool is a trusted U.S.-based company, known for delivering precision-engineered tools that professionals rely on. The 71550 Manual A/C Hose Crimper is constructed from heavy-duty materials, ensuring years of dependable performance. Unlike cheaper alternatives, this crimper is designed for long-term durability and accuracy.
  • EASY-TO-USE SNAP-IN DIE SYSTEM – NO PINS OR SCREWS REQUIRED – The Mastercool 71550 features a quick-change die system that eliminates the need for pins or screws, making setup fast, efficient, and hassle-free.

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