Newest Products

Injector hose comes complete with a R1234YF coupler. To inject the oil or dye, simply connect the injector to the low side of the A/C system and t...

The MasterCool 91290 features a doubled-ended design for easy replacement of standard valves cores as well as GM R 12 large bore cores. Heavy duty ...

The Mastercool 91490 features a sturdy ball valve design which controls refrigerant flow with 1/4 turn of the valve lever. Lever position also give...

Screw on model for acme male can taps

Double ended for easy replacement of standard and GM large bore cores for R-12, Standard and JRA, EATON R-134a

The constant pressure tube cutter utilizes a spring to keep consistent compression on the cutting blade to the tube. This allows the user to cut th...

Repair damaged aluminum lines including pinholes, cracks, kinks, and more Includes 6 fittings sized 8mm, 10mm, 12mm, 15mm, 16mm, 19mm (qty. 1 each...

Convenient, low-cost solution to keep front A/C system working Includes 6 fittings sized 8mm, 10mm, 12mm, 15mm, 16mm, 19mm (qty. 1 each) Block off...

Ratchet action allows cutting all the way around the tubing easy (1/4 to 7/8" O.D. Tubing) Heavy duty construction Cuts thin walled stainless stee...

Mastercool’s new safety-lock manual couplers are designed for use on all R134a systems. Unique design allows the technician to work on the system ...

Mastercool’s new safety-lock manual couplers are designed for use on all R134a systems. Unique design allows the technician to work on the system ...

Mastercool’s new safety-lock manual couplers are designed for use on all R134a systems. Unique design allows the technician to work on the system ...

This tool disconnects the heater hose fittings on 2012- 2016 Ford Focus 2.0L and 2013-2016 Ford Escape 2.0L EcoBoost®. These type of fittings are ...

This set contains the tools necessary to create single or double flares, as well as bubble flares on soft steel and copper tubing. Single & do...

This kit contains 50 common pieces of gaskets and valves. These most popular parts make any AC hose related leak a quick fix. Designed to work on ...

Designed to flush automotive system components and lines. The 69900 will remove solids and residue caused by the breakage of compressors and filter...

Accurately measures temperatures for precision diagnosis in many areas of Automotive Repair and HVAC Installation. Measure -58°F - 720°F Select Ce...

Take temperature measuring to another level with Mastercool’s new Thermal Imaging Camera. See the thermal outlines and hot spots of objects. Fully...

AC Vent Thermometer Measures temperatures between 0-200F

Repair a damaged A/C line or install an in-line filter in as little as 5 minutes with this unique, dual-purpose repair kit. SAVE TIME & MONEY ...

The OTC 4536 AC Clutch Pulley Puller Set is designed for removal of stubborn air conditioning clutch pulleys. This set can also be used on alternat...

Designed for light-weight evacuation jobs, the Mastercool 91200 Vacuum Pump has no moving parts and requires no oil to operate. 1.3 CFM air displa...

The Mastercool 90062-B is an economical, yet durable single stage vacuum pump. Easily removable vapor discharge/oil fill port with internal check ...

The Mastercool 90063 is a high quality vacuum pump and one of the key components for complete A/C service. Mastercool vacuum pumps are designed to ...