Four Seasons 58278 A/C compressor for the 1987-1992 Chevrolet S10 and other vehicles moves refrigerant through the air conditioning system. This Four Seasons ac compressor is a new unit, designed to meet or exceed original equipment specifications for consistent cooling.
- V5 compressor type with ear mounting and a spade connector
- Clutch included, with a 12-volt DC coil and a six-groove pulley
- Tested to deliver durability equal to 100,000 miles
- O-rings and sealing washers included for R12, R134a and R1234yf applications
Quick facts
- Part: Four Seasons 58278 A/C compressor
- Fits: the 1987-1992 Chevrolet S10 and other vehicles
- Condition: New
Air that is no longer cold, a noisy or slipping clutch and oil residue on the compressor body can mean the compressor is worn, though a leaking hose or a faulty pressure switch can be behind them, so find the cause before replacing the compressor.
Fits
It is a direct-fit replacement for the 1987-1992 Chevrolet S10, the 1991-1992 GMC Sonoma and the 1987-1990 Chevrolet Astro. A 1987-1992 Chevrolet S10 takes one compressor.
Specifications
Fit and size
- Quantity per vehicle: 1
- Mounting type: Ear mount
- Outside pulley diameter: 5.000 in
- Pulley grooves: 6, serpentine belt
- Outlet length: 127 mm
- Coil clock position: 10
Build and materials
- Compressor type: GM V5
- Refrigerant type: R134A
- Compatible refrigerant oil: PAG 150
- Clutch: included, 12 V DC coil
- Connector: Spade
- Condition: New
- Country of origin: China
In the box
One A/C compressor with clutch, two sealing washers (24354) and the O-rings for R12, R134a and R1234yf applications. Mounting hardware and a switch are not included, so plan on new mounting hardware rather than reusing the old.
Installation notes
- Comes pre-charged with 3 ounces of PAG oil, which reduces prep time.
- The connector design is intended to avoid splicing and make installation faster for DIYers and professionals.
Frequently Asked Questions
Is this the right S10 ac compressor for a 1987-1992 Chevrolet S10?
Yes. Four Seasons 58278 is a direct-fit compressor for the 1987-1992 Chevrolet S10 and other vehicles. If yours is a different one, look it up in the "Vehicles it fits" section.
Is this an Astro ac compressor for the 1987-1990 Chevrolet Astro?
Yes. Four Seasons 58278 is a direct-fit replacement for the 1987-1990 Chevrolet Astro, and that vehicle takes one compressor.
What oil is in this Four Seasons compressor?
This compressor is pre-charged with 3 ounces of PAG oil, and the compatible refrigerant oil type is PAG 150. The refrigerant type is R134A.
Does this A/C compressor come with the clutch and O-rings?
Yes. The clutch is included, plus two sealing washers (24354) and O-rings for R12, R134a and R1234yf applications. Mounting hardware and a switch are not included.
How many grooves does the pulley on this compressor have?
The pulley has 6 grooves for a serpentine belt and measures 5.000 inches across outside. The clutch coil runs on 12 volts DC.
