Four Seasons 88963 A/C Compressor

Overview of Four Seasons New Compressor 88963

The Four Seasons New Compressor 88963 is designed for reliable air conditioning performance in select GM vehicles. Engineered to work with R134a refrigerant, this A/C compressor is compatible with various Cadillac, Chevrolet, and GMC models, ensuring efficient cooling and system durability.

• Compatible with R134a refrigerant and Pag 46 oil
• Includes oil pre-filled for immediate installation
• 6-groove serpentine pulley for optimal belt engagement
• Comes with clutch assembly included
• Designed for GM vehicles including Cadillac Allante, DeVille, Eldorado, Seville, Chevrolet Commercial Chassis, and GMC P30, P3500

Detailed Product Features and Specifications

This Four Seasons New Compressor 88963 features a 12-volt coil with a pin-type terminal and a coil clock position at 2 o'clock, facilitating straightforward electrical connections. The compressor type is specified as Da6, hr6, he6, tailored for GM applications. The pulley diameter measures approximately 107.95 mm with a 6-groove serpentine belt design, ensuring compatibility with factory belt systems. The clutch maximum diameter and pulley lip and ridge diameters are all 4.25 inches, providing consistent fitment and operation.

The unit includes sealing washer-type discharge and suction ports, along with multiple O-rings ([24354], [24357], [24358]) to maintain system integrity and prevent leaks. The mounting type is Type I with a mount distance of 15.24 mm (0.59375 inches from clutch to mounting flange), designed to fit securely without modification. Note that mounting hardware is not included.

Four Seasons New Compressor Product Line

The New Compressor line from Four Seasons offers brand-new, factory-quality A/C compressors designed to meet or exceed OEM specifications. This product line focuses on delivering reliable, ready-to-install compressors that come pre-filled with compatible refrigerant oil and include clutch assemblies, reducing installation time and ensuring system compatibility. The 88963 model is part of this line, providing a direct replacement solution for GM vehicles requiring a Da6, hr6, or he6 compressor type.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in Cadillac Allante, DeVille, Eldorado, and Seville models
• Restores proper air conditioning function in Chevrolet Commercial Chassis vehicles
• Solves issues related to compressor clutch failure or pulley wear in GMC P30 and P3500
• Addresses refrigerant leaks due to worn O-rings or seals
• Improves cooling efficiency by replacing oil-depleted or damaged compressors

Installation Notes and Tips

• Ensure system is evacuated and flushed before installation to prevent contamination
• Verify compatibility with vehicle refrigerant type R134a and use Pag 46 oil as specified
• Check pulley alignment and belt condition during installation
• Use included O-rings and sealing washers to maintain leak-free connections
• Mounting hardware is not included; reuse existing hardware or source appropriate fasteners

Quality Assurance and Warranty

The Four Seasons New Compressor 88963 is a new, factory-quality replacement part designed to meet OEM standards for fit, form, and function. It comes pre-filled with compatible refrigerant oil and includes the clutch assembly for a complete replacement. While specific warranty details are not provided here, Four Seasons products typically include a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.