Air Conditioning

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...

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 losing refrigerant.

Mastercool High-Side Manual red quick connect service coupler easily connects 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 valves. The coupler...

Mastercool 134a Oil and UV dye injector. Add refrigerant oil or large amounts of UV leak detection dye. Includes a low side coupler. 1/2" ACME-M x 1/2" ACME-F (R134a). Instruction pdf.

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 tightest quarters

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 Excellent for replacing valve cores without discharging the system and for speeding recovery and recharging...