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...

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.

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...

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...

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...

High side red male manual coupler connects easily to R134A service ports. Spring loaded depressor will not damage service valves. Can be removed from service ports regardless of knob position without...

14mm-F X 16mmm quick coupler. Easily snaps on and off the A/C systems service ports under any pressures. Swivel feature enables the user the flexibility to easily access all service ports even in the...

Change cores while under pressure For 13 mm and 16 mm high and low service port standard type valve No refrigerant loss Heavy duty design.R134a Ex