Four Seasons 77376 A/C Compressor

Overview of Four Seasons Reman Compressor 77376

The Four Seasons Reman Compressor 77376 is a remanufactured A/C compressor designed for select Cadillac, Chevrolet, GMC, and Hummer vehicles. Engineered to work with R134a refrigerant and compatible with Pag 46 oil, this compressor ensures reliable air conditioning performance for models like the Chevrolet Silverado 1500 and GMC Sierra 2500 HD.

• Compatible refrigerant: R134a
• Oil type: Pag 46 (included)
• Compressor type: 10s20f remanufactured unit
• Coil voltage: 12V with 1 wire lead
• Pulley groove quantity: 4 for serpentine belt
• Includes clutch assembly with 4.25" maximum diameter
• Mounting type: Tangent mount with 0.65625" clutch to flange distance
• Sealing washer discharge and suction ports
• Pin terminal type for electrical connection
• O-rings included for proper sealing

About the Four Seasons Reman Compressor 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, providing a cost-effective alternative to new units without sacrificing performance. The 77376 model is part of this line, ensuring compatibility and durability for heavy-duty vehicles requiring Nippondenso 10s20f style compressors.

Detailed Product Description

This Four Seasons Reman Compressor 77376 is designed specifically for vehicles such as the Cadillac Escalade, Chevrolet Suburban 2500, GMC Yukon XL 1500, and Hummer H2. It features a 4-groove pulley compatible with serpentine belts and includes the clutch assembly with a 4.25-inch diameter, ensuring proper engagement and reliable operation. The compressor is pre-filled with Pag 46 oil and uses R134a refrigerant, matching factory specifications for optimal cooling efficiency. Electrical connection is simplified with a pin terminal and a single wire lead coil positioned for easy installation. The tangent mount design and included O-rings help maintain a secure, leak-free fit.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Cadillac Escalade and Chevrolet Silverado models
• Replaces failing or noisy compressors in GMC Sierra and Hummer H2 vehicles
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks with new O-rings and sealing washers
• Improves system reliability in heavy-duty trucks and SUVs

Installation Notes and Tips

• May require use of original equipment manifold and deslugger tool (recommended part 36141)
• Mounting hardware is not included; reuse existing bolts or source separately
• Ensure proper belt alignment with 4-groove serpentine pulley
• Verify coil voltage and terminal type before installation
• Check clutch clearance and mounting flange distance for fitment

Quality Assurance and Warranty

The Four Seasons Reman Compressor 77376 undergoes rigorous remanufacturing processes to meet OEM standards. Each unit is tested for performance and durability before shipment. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.