Four Seasons A/C Compressor P/N:57942

The Four Seasons Remanufactured A/C Compressor 57942 is the heart of the air-conditioning system — a GM R4-style unit that pumps and pressurizes refrigerant to circulate it through the loop for cabin cooling. It drops in as a direct-fit replacement for a broad range of 1993 Chevrolet and GMC full-size trucks and SUVs — including the Chevrolet Blazer, C1500/C2500/C3500 and C3500HD, K1500/K2500/K3500, Suburban, plus the GMC C/K 1500-3500, Suburban and Yukon [All] engines. See the Buyer's Guide tab for the full list of covered vehicles.

• 100% tested: function and noise level are checked to meet or exceed OE specifications.
• Pre-charged: ships with 3 ounces of PAG oil (PAG 150) for R134a or R1234yf applications; cataloged refrigerant type R134A.
• Leak-checked: individually vacuum and pressure tested for no leaks.
• Install-ready: clutch included, along with the R12/R134A/1234yf O-rings and sealing washers (24355 and 24354).

Built specs include a 6-groove serpentine pulley, 4.250 in outside pulley diameter, 12-volt DC coil at the 12 o'clock clock position, case-mount design, pin connector, and a high-pressure switch port. The switch is not included, and no mounting hardware is included — consult the vehicle service information for the correct fasteners and whether they may be reused. Manufacturer part number 57942.