Four Seasons 57278 A/C Compressor

Overview of Four Seasons Reman Compressor 57278

The Four Seasons Reman Compressor 57278 is a remanufactured A/C compressor designed for select Chevrolet and GMC models. Engineered to work with R134a refrigerant and compatible with Pag 150 oil, this compressor ensures reliable air conditioning performance for vehicles like the Chevrolet S10 and GMC Sonoma.

• Compatible refrigerant: R134a
• Compatible refrigerant oil type: Pag 150
• Includes oil and high-pressure switch
• 6-groove serpentine pulley with 5-inch diameter
• Pressure switch type with spade terminal
• V5 compressor type with 12V coil voltage
• Ear mount installation with block mount suction port
• Includes clutch assembly and two green O-rings (part number 24615)

Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that meet strict quality standards. These compressors are rebuilt to original equipment specifications, including the integration of essential components such as the clutch and pressure switch. The 57278 model is part of this line, providing a cost-effective replacement option for maintaining the air conditioning system in Chevrolet and GMC vehicles.

Detailed Product Description

This Four Seasons Reman Compressor 57278 is designed specifically for GM vehicles including Chevrolet Astro, S10, S10 Blazer, S15, S15 Jimmy, Safari, and GMC Sonoma. It features a V5 compressor type with a 12-volt coil and a 6-groove serpentine pulley measuring 5 inches in diameter. The compressor comes oil-filled with Pag 150 compatible oil and includes a high-pressure switch with spade terminals for easy electrical connection. The clutch assembly is included, with a maximum diameter of 5 inches and a coil clock position at 10 o'clock. The mounting type is ear mount, and the suction port is block mount style, equipped with two green O-rings for proper sealing. This remanufactured compressor is equipped with an R12 control valve, which is important to note if retrofitting the system.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Chevrolet S10 and GMC Sonoma
• Restores proper refrigerant flow and pressure in R134a systems
• Resolves clutch engagement problems with included clutch assembly
• Fixes leaks or pressure switch failures with included high-pressure switch
• Improves overall air conditioning performance in compatible GM vehicles

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use Pag 150 oil as specified for optimal compressor lubrication
• Check and replace O-rings (included) to prevent refrigerant leaks
• Verify electrical connections with spade terminals for proper clutch operation
• Note that mounting hardware is not included and may need to be sourced separately

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57278 undergoes thorough remanufacturing processes to meet OEM standards. It includes essential components such as the clutch and pressure switch to ensure reliable operation. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to cover defects in materials and workmanship.