Four Seasons 88957 A/C Compressor

Overview of Four Seasons New Compressor 88957

The Four Seasons New Compressor 88957 is designed for reliable air conditioning performance in select Buick, Oldsmobile, and Pontiac vehicles. Engineered to work with R134a refrigerant, this A/C compressor ensures efficient cooling and system compatibility for models like the Buick 88, Oldsmobile 98, Pontiac Bonneville, and Park Avenue.

• Compatible with R134a refrigerant and Pag 46 oil
• Includes clutch and high-pressure switch
• 6-groove serpentine pulley with 5.5-inch diameter
• Pressure switch type with pin terminal connection
• Mounting type: Type VI with 2 1/2 ears
• Coil voltage: 12V with coil clock position at 2 o'clock
• Oil filled and includes sealing washers and O-rings

Detailed Product Features and Specifications

This Four Seasons New Compressor 88957 is a new HD6 type compressor designed specifically for GM vehicles using R134a refrigerant. It comes oil filled with compatible Pag 46 refrigerant oil, ensuring proper lubrication and longevity. The compressor includes a clutch assembly with a maximum diameter of 5.5 inches and a pulley featuring six grooves for serpentine belt compatibility. The pulley diameter measures approximately 139.7 mm (5.5 inches), with a lip and ridge diameter matching the clutch size for precise fitment.

The unit features a pressure switch type with a pin terminal, and a coil voltage of 12 volts positioned at the 2 o'clock clock position. Mounting is via a Type VI 2 1/2 ear configuration with a mount distance of 15.24 mm (0.59375 inches) from clutch to mounting flange. The discharge and suction ports use sealing washers, and the package includes two O-rings (part number 24354) for proper sealing. Note that mounting hardware is not included.

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line focuses on delivering brand-new, direct replacement compressors designed to meet original equipment specifications. This line emphasizes compatibility with factory refrigerants and oils, ensuring seamless integration with existing A/C systems. The New Compressor 88957 exemplifies this approach by providing a fully assembled, oil-filled compressor with included clutch and pressure switch, reducing installation complexity for technicians working on Buick, Oldsmobile, and Pontiac models.

Common Applications and Problem Resolution

• Replacement for failing or noisy A/C compressors in Buick 88 and Oldsmobile 98
• Restores proper air conditioning function in Pontiac Bonneville and Park Avenue
• Solves issues related to clutch failure or pulley wear
• Addresses refrigerant leaks due to worn seals or O-rings
• Resolves high-pressure switch malfunctions affecting compressor engagement

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Use Pag 46 refrigerant oil as specified for optimal performance
• Ensure all sealing washers and O-rings are properly installed to prevent leaks
• Check serpentine belt condition and alignment with the 6-groove pulley
• Note that mounting hardware is not included and must be sourced separately

Quality Assurance and Warranty Information

The Four Seasons New Compressor 88957 is manufactured to meet or exceed OEM standards for durability and performance. Each unit is oil filled and pressure tested to ensure reliability. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their new compressor line, covering defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.