Four Seasons 77348 A/C Compressor

Reliable A/C Compressor for Chevrolet, GMC, and Hummer Vehicles

The Four Seasons Reman Compressor 77348 is designed to restore your vehicle's air conditioning system performance. Engineered for select Chevrolet, GMC, and Hummer models, this remanufactured A/C compressor ensures compatibility and efficient cooling with R134a refrigerant.

• Compatible refrigerant type: R134a
• Includes oil filled with PAG 46 compatible refrigerant oil
• 6-groove serpentine pulley for reliable belt engagement
• Pin-type terminal and 12V coil voltage
• Includes clutch assembly with a maximum diameter of 4.5 inches
• Tangent mount type with precise mounting distance of 15.24 mm
• Sealing washer type suction and discharge ports
• Remanufactured Nippondenso 10s17f compressor type
• O-rings included for proper sealing

About the Four Seasons Reman Compressor Product Line

The Four Seasons Reman Compressor line offers remanufactured A/C compressors that meet strict quality standards to provide a cost-effective replacement option. These compressors are rebuilt using original Nippondenso cores and include essential components such as the clutch and oil, ensuring compatibility and reliable operation for specific vehicle applications. The Reman Compressor 77348 is part of this line, designed to deliver consistent performance for Chevrolet Express, GMC Sierra, and Hummer H1 models.

Detailed Product Description and Specifications

This Four Seasons A/C Compressor 77348 is a remanufactured Nippondenso 10s17f type compressor compatible with R134a refrigerant systems. It comes pre-filled with PAG 46 oil, which is compatible with the refrigerant type, ensuring proper lubrication and longevity. The compressor features a 6-groove serpentine pulley with a diameter of 114.3 mm (4.5 inches), designed for smooth belt operation. The clutch assembly is included, with a maximum diameter of 4.5 inches and a coil voltage of 12 volts, featuring a pin-type terminal and a single wire lead coil clock position. Mounting is tangent style with a precise distance of 15.24 mm from the clutch to the mounting flange, ensuring proper fitment. Both suction and discharge ports use sealing washers, and the package includes slimline washer O-rings for secure sealing. Note that mounting hardware is not included, and installation may require the use of the original equipment manifold.

Compatible Vehicles and Common Applications

• Chevrolet Express 1500, 2500, 3500
• GMC Savana 1500, 2500, 3500
• GMC Sierra 1500, 1500 Classic, 2500 HD, 2500 HD Classic, 3500, 3500 Classic, 3500 HD
• Chevrolet Silverado 1500, 1500 Classic, 2500 HD, 2500 HD Classic, 3500, 3500 Classic, 3500 HD
• Hummer H1

Common Issues Addressed by This A/C Compressor

• Loss of air conditioning cooling performance
• Clutch failure or slipping in the A/C system
• Compressor noise or seizing
• Refrigerant leaks due to worn seals or O-rings
• Inconsistent compressor engagement or electrical issues

Installation Notes and Tips

Installation of the Four Seasons Reman Compressor 77348 requires attention to proper mounting and sealing. Use the included O-rings and sealing washers to prevent refrigerant leaks. The clutch is included, simplifying replacement. Note that mounting hardware is not provided, so retain or source necessary bolts. This compressor is designed for tangent mount applications and may require the use of the original equipment manifold for proper fitment. Ensure the serpentine belt is correctly aligned with the 6-groove pulley for optimal operation.

Quality Assurance and Warranty Information

Four Seasons remanufactured compressors undergo rigorous testing to meet OEM standards for performance and durability. The Reman Compressor 77348 includes pre-filled oil and a complete clutch assembly to ensure reliable operation. While specific warranty details vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product's quality for Chevrolet, GMC, and Hummer vehicle owners.