Mastercool

1/2” ACME-M x 1/2” ACME-M Union Straight Adapter 1/2” ACME-M x 1/2” ACME-M Union Straight Adapter 82633

Low-Side E-Z Snap R134a 14mm-F x 13mm Quick Coupler This unique patented design easily snaps on and off the A/C systems service ports under any pressure. The E-Z Snap™ automatically adjusts to...

14mm-M x 1/4" FL-M (7/16-20") Connector 14mm-M x 1/4 FL-M (7/16-20) Connector 82734

72" Red R134a Hose with 1/2" Acme-F and 14mm-M Auto A/C Fittings Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8...

High Side Manual R134a Safety Lock Coupler, 1/4" FL-M x 16MM Once coupler is connected to system, safety-lock sleeve slides into place, guaranteeing that the coupler can’t be taken off without...

96" Red R134a Hose with 1/2" Acme-F and 14mm-M Auto A/C Fittings Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8...

96" Blue R134a Hose with 1/2" Acme-F and 14mm-M Auto A/C Fittings Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8...

72" R134a Hose Set with 1/2" Acme-F and 14mm-M Auto A/C Fittings Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8...

R134a Aluminum 2-Way Manifold with 2-1/2" Gauges Solid extruded aluminum body. Free-floating piston type valves reduce O-ring wear. Extra access port for vacuum line. Silicone dampened gauges smooth...

72" Yellow R134a Hose without Shut-Off Valve Mastercool uses only Grade 5 Hose for high pressure applications. Knurled brass nuts make finger tightening easy. Crimped with 8 segment dies for secure...

Low Side Manual R134a Safety Lock Coupler, 1/4" FL-M x 16MM Once coupler is connected to system, safety-lock sleeve slides into place, guaranteeing that the coupler can’t be taken off without...

Low Side Knob- Blue Low Side Knob- Blue 85211