Keep refrigerant moving through your A/C system with the Four Seasons ac compressor 57221, a remanufactured GM R4 unit that comes with its clutch and arrives pre-charged with oil. It is listed for many models, among them the 1980-1984 Chevrolet Impala, 1980-1981 Chevrolet Malibu and 1980-1984 Chevrolet C10, along with Buick, Cadillac, GMC, Oldsmobile and Pontiac applications (engine: All). See the Buyer's Guide tab for the full list.
This Four Seasons compressor draws on more than 50 years of mobile A/C experience and is engineered and tested with trouble-free operation in mind.
- 100% tested: Every remanufactured unit is checked to confirm compressor function and noise level at or above OE specifications.
- Leak checked: Each compressor is individually vacuum and pressure tested to verify it does not leak.
- Pre-charged: Ships with 3 ounces of PAG oil. The compatible oil type is PAG 150, and the listed refrigerant type is R134A.
- Installation seals included: Comes with the O-rings/sealing washers required to install the compressor. The listed O-ring is 24615, quantity 2.
Specifications: clutch included; 12-volt DC coil at the 12 o'clock position with a spade connector; single-groove V-belt pulley with a 5.000 in outside diameter and a 0.500 in belt width; case mount. A switch and mounting hardware are not included. Quantity per application: 1. Country of origin: Mexico.
Signs that an A/C compressor may need replacing include warm air from the vents, grinding or rattling when the A/C is on, a clutch that will not engage, or refrigerant or oil leaking at the compressor. Diagnose the system before you replace anything. If the original compressor is the cause, the 57221 replaces it.
