Air Conditioning

Assorted HNBR rubber o-rings generally used in AC systems to gap the connection to create leak proof seals. Having the correct o-ring on hand saves time & money. 91339 AUTOMOTIVE R12 & R134a O-RING ASSORTMENT (270 PIECE HNBR) 7/32” x...

Contains gaskets, O rings and depressors to repair R-12 and 134A hoses. R12/R134a CHARGING HOSE REPLACEMENT PARTS ASSORTMENT 42010 1/4" Gasket (10 pcs) 42014 1/4" Depressor (10 pcs) 42016 Screw Type Depressor (5 pcs) 90336 Gasket for 90335 (5 pcs)...

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 and built to last.

Kit contains a complete offering of E/C compressor clutch hu b pullers and installers for GM, Ford, Chrysler and imports Includes a compressor identification chart and comes in a custom molded case

Clutch Plate Installer by Mastercool

The Mastercool 89661-PRO is a professional grade manifold gauge set, featuring a professional extruded aluminum block and silicone-dampened gauges. This kit includes a 3-in-1 side-mount can tap valve tool. Gauges can be recalibrated Set of 3 R134a nylon...

Screw on model for acme male can taps

Extended disconnect protection sleeve Meets SAE J639 and J2888 codes

Extended disconnect protection sleeve Meets SAE J639 and J2888 codes

Look no further than the Mastercool 83272 for a durable manifold gauge set. Specially designed gauges generate smooth needle movement with anti-flutter technology Well marked temperature scales are easy to read Fast and easy calibration for accurate...

Patented blue male manual coupler, connects easily to R134a service ports. All metal construction for extra durability. Patented, spring loaded depressor will not damage service valves. Can be removed from service port regardless of knob position without...

Mastercool low-side female manual coupler. Blue color coded manual coupler that connects easily to R-134A service ports. It is made of an all metal construction for extra durability and the patented, spring loaded depressor prevents damage of service...