Four Seasons 58957 A/C Compressor

Overview of Four Seasons New Compressor 58957

The Four Seasons New Compressor 58957 is designed for reliable air conditioning performance in select Buick, Oldsmobile, and Pontiac vehicles. This A/C compressor is engineered to meet the specific needs of models such as the Buick 88 and 98, Oldsmobile Riviera, and Pontiac Bonneville and Park Avenue, ensuring proper fit and function.

• Compatible with R134a refrigerant
• Includes oil filled with PAG 150 refrigerant oil
• Equipped with a high-pressure pressure switch
• Features a 6-groove serpentine pulley
• Includes clutch assembly with a maximum diameter of 5.5 inches
• 12-volt coil voltage with coil clock position at 2 o'clock
• Mounting type: Type VI (2-1/2 ears)
• Pin terminal type for electrical connection
• Includes two sealing washer O-rings (part number 24354)
• New compressor, not remanufactured

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand-new A/C compressors designed to meet or exceed original equipment specifications. The New Compressor 58957 provides a direct replacement solution with included clutch and pressure switch, ensuring compatibility and ease of installation for GM vehicles using R134a refrigerant. This product line focuses on delivering reliable performance with components pre-filled with compatible refrigerant oil and designed for specific mounting and pulley configurations.

Detailed Product Description

This Four Seasons A/C compressor 58957 is a heavy-duty HD6 type compressor compatible with R134a refrigerant and PAG 150 oil. It features a 6-groove serpentine pulley with a diameter of 5.5 inches, matching the OEM specifications for smooth belt operation. The included clutch assembly and high-pressure pressure switch simplify installation and system integration. The compressor uses a pin terminal type for electrical connections and mounts with a Type VI (2-1/2 ears) configuration. Two sealing washer O-rings are included to ensure proper sealing at the suction port. This compressor is designed specifically for GM vehicles including Buick 88 and 98, Oldsmobile Riviera, and Pontiac Bonneville and Park Avenue models.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Buick, Oldsmobile, and Pontiac models
• Restores proper refrigerant flow and pressure in R134a systems
• Resolves clutch engagement problems with included clutch assembly
• Fixes leaks at suction port with included sealing washers
• Addresses electrical connection issues with pin terminal design

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use PAG 150 refrigerant oil as specified for optimal performance
• Mount using Type VI (2-1/2 ears) mounting points for proper fit
• Check pulley alignment with serpentine belt to avoid premature wear
• Replace O-rings and sealing washers to prevent refrigerant leaks
• Verify coil voltage and pressure switch operation during installation

Quality Assurance and Warranty

The Four Seasons New Compressor 58957 is a new, not remanufactured, component manufactured to meet OEM standards. It includes essential components such as the clutch and pressure switch to ensure system compatibility. While mounting hardware is not included, the compressor is designed for straightforward installation with proper tools. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship; please refer to the product documentation for specific warranty details.