Charging Accessories

High side service couplers with red actuator connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems Quick-connect design has an integral safety sleeve which protects against injury and refrigerant loss...

High side service couplers with red actuator connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems Quick-connect design has an integral safety sleeve which protects against injury and refrigerant loss...

# Psi/kPa pressure readings # R-22 and R-134a temperature readings in degrees Celsius # Replaces 11692

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...

Extended disconnect protection sleeve Meets SAE J639 and J2888 codes

Extended disconnect protection sleeve Meets SAE J639 and J2888 codes

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...

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 13mm quick coupler. Easily snaps on and off the A/C systems service ports under any pressures. Swivel feature enbales the user the flexibility to easily access all service ports even in the tightest quarters

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