Four Seasons A/C Compressor 57275
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Four Seasons A/C Compressor 57275
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Four Seasons A/C Compressor P/N:57275

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$411.99
MPN: 57275
Item Package Quantity: 1
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Four Seasons A/C Compressor P/N:57275
Four Seasons A/C Compressor P/N:57275
$411.99

Keep refrigerant moving through the A/C system with the Four Seasons Remanufactured A/C Compressor 57275, a GM V5-style unit that pumps and pressurizes refrigerant so the system can circulate it. It installs as a direct-fit replacement for the 1987-1991 Buick Skylark (all engines), 1987 Buick Somerset, 1987 Oldsmobile Calais, 1987 Pontiac Grand Am, 1988 Chevrolet Cavalier, and 1988-1991 Oldsmobile Cutlass Calais.

  • Remanufactured & 100% tested: function and noise level are checked to meet or exceed OE specifications.
  • Pre-charged with oil: ships with 3 ounces of PAG oil for R134a or R1234yf applications.
  • Leak-verified: individually vacuum and pressure tested to confirm no leaks.
  • Install kit: includes the required O-rings/sealing washers (O-Ring 24615, qty 2) and the clutch.

Built as a GM-type compressor with a 6-groove serpentine pulley, 5.500 in outside pulley diameter, ear mount, 12-volt coil (clock position 2), spade connector, and a high-pressure switch/sensor. Refrigerant type is R134A. This unit is equipped with an R12 control valve; if retrofitting to R134a, Control Valve 38846 is recommended for optimum system performance. Switch and mounting hardware are not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Manufacturer part number 57275 · GTIN 00096361572751.

Frequently Asked Questions

What does this A/C compressor do?

It pumps and pressurizes the refrigerant, circulating it through the A/C system so the system can move heat. If a failed compressor is the cause of your weak cooling, this replaces it.

Is it new or remanufactured?

It is remanufactured and 100% tested so function and noise level meet or exceed OE specifications, and each unit is individually vacuum and pressure tested to confirm no leaks.

Does it include oil, a clutch, and O-rings?

Yes — it's pre-charged with 3 oz of PAG oil for R134a/R1234yf, the clutch is included, and it comes with the required O-rings/sealing washers. The switch and mounting hardware are not included.

What vehicles does it fit?

Fitment includes 1987-1991 Buick Skylark, 1987 Buick Somerset, 1987 Oldsmobile Calais, 1987 Pontiac Grand Am, 1988 Chevrolet Cavalier, and 1988-1991 Oldsmobile Cutlass Calais. See the Buyer's Guide tab.

What about the R12 control valve and retrofitting?

This compressor is equipped with an R12 control valve. If retrofitting to R134a, Control Valve 38846 is recommended for optimum system performance.

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