Four Seasons 88901 A/C Compressor

Overview of Four Seasons New Compressor 88901

The Four Seasons New Compressor 88901 is designed for reliable air conditioning performance in select GM vehicles. Engineered to work with R134a refrigerant and compatible with Pag 46 oil, this A/C compressor supports efficient cooling for models like the Chevrolet Silverado and Cadillac Escalade.

• Compatible refrigerant type: R134a
• Includes oil pre-filled for immediate installation
• Pressure switch type with high-pressure switch included
• Four-groove serpentine pulley for optimal belt engagement
• Clutch and coil included with 12V coil voltage
• Tangent mount design for secure installation
• Pin terminal type for electrical connection
• O-ring sealing washers included (quantity: 2)
• Designed for GM Hu6 compressor type applications

Four Seasons New Compressor Product Line Details

The New Compressor line from Four Seasons offers brand-new, direct replacement A/C compressors designed to meet original equipment specifications. This ensures compatibility and performance consistency for vehicles requiring a Hu6 compressor type. The 88901 model is part of this line, providing a fully assembled unit with clutch, coil, and pressure switch included to simplify installation and reduce downtime.

Technical Description and Features

This Four Seasons A/C compressor features a 4.25-inch clutch diameter and pulley lip diameter, matching OEM dimensions for proper fitment. The pulley has four grooves designed for serpentine belts, ensuring reliable power transfer. The coil is positioned at the 11 o'clock clock position and operates at 12 volts. The compressor is oil-filled with Pag 46 compatible oil, which helps maintain lubrication and extend component life. The included high-pressure switch enhances system safety by monitoring refrigerant pressure. The tangent mount style allows for secure attachment to the engine block, with a clutch-to-mounting flange distance of approximately 0.594 inches.

Compatible Vehicles and Applications

• Cadillac Escalade and Escalade EXT
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, and 3500
• Chevrolet Suburban 1500 and 2500
• Chevrolet Tahoe
• GMC Sierra 1500, 1500 HD, 2500, 2500 HD, and 3500
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Compressor

• Loss of A/C cooling due to compressor failure
• Clutch engagement problems causing intermittent cooling
• Refrigerant leaks from worn seals or O-rings
• High-pressure switch malfunctions affecting system operation
• Noise or pulley wear impacting belt performance

Installation Notes and Tips

Before installation, verify compatibility with your specific GM model and engine configuration. The compressor comes pre-filled with compatible oil, but it is recommended to check refrigerant oil levels during service. Use the included sealing washers and O-rings to ensure leak-free connections. The clutch and coil are included, simplifying replacement without the need for additional parts. Note that mounting hardware is not included and may need to be reused or sourced separately. Proper belt tension and alignment are critical for optimal operation.

Quality Assurance and Warranty

The Four Seasons New Compressor 88901 is a new, direct replacement part manufactured to meet or exceed OEM standards. It includes a high-pressure switch and is designed for durability and consistent performance. While specific warranty details may vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.