Four Seasons 58976 A/C Compressor

Reliable A/C Compressor for Buick, Chevrolet, Oldsmobile, and Pontiac

The Four Seasons New Compressor 58976 is designed to restore efficient air conditioning performance in select GM vehicles. Engineered for compatibility with R134a refrigerant, this A/C compressor suits models like the Buick Skylark, Chevrolet Cavalier, Oldsmobile Achieva, and Pontiac Grand Am.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes oil pre-filled for immediate installation
• Features a 5-groove serpentine pulley for optimal belt engagement
• Comes with clutch assembly and pin-type electrical terminal
• Designed for ear mount installation with precise mounting dimensions

Four Seasons New Compressor Product Line Details

The New Compressor line from Four Seasons offers brand-new, direct replacement compressors engineered to meet original equipment specifications. This ensures reliable operation and proper fitment for GM vehicles requiring a V5 compressor type. The 58976 model includes all necessary internal components such as the clutch and coil, pre-filled with compatible refrigerant oil to simplify installation.

Technical Specifications and Features

This Four Seasons A/C compressor is designed for vehicles using R134a refrigerant and compatible with Pag 150 oil, which is included pre-filled. The compressor features a 5-groove serpentine pulley with a 5-inch diameter and a pin-type terminal for electrical connection. The clutch assembly is included, with a maximum diameter of 5 inches and a coil voltage rating of 12 volts. The compressor mounts via an ear mount system with a mounting distance of approximately 33 mm (1.296875 inches from clutch to mounting flange). Both suction and discharge ports use sealing washers with included O-rings for secure connections.

Common Applications and Problem Resolution

• Restores A/C cooling performance in Buick Achieva and Chevrolet Corsica
• Replaces worn or failed compressors in Pontiac Grand Am and Oldsmobile Skylark
• Addresses issues with clutch engagement and pulley wear
• Solves refrigerant leaks due to damaged seals or O-rings
• Eliminates compressor noise and mechanical failure symptoms

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model, specifically Buick, Chevrolet, Oldsmobile, or Pontiac models listed. The compressor comes pre-filled with Pag 150 oil, so additional oil is not required. Note that mounting hardware is not included and must be reused or sourced separately. Ensure the serpentine belt is properly aligned with the 5-groove pulley. Electrical connections use a pin-type terminal; confirm connector compatibility. Proper torque specifications should be followed for ear mount bolts to avoid leaks or misalignment.

Quality Assurance and Warranty

The Four Seasons New Compressor 58976 is a new, direct replacement part manufactured to meet or exceed OEM standards. It includes all necessary internal components such as the clutch and coil, ensuring reliable operation. The product is backed by Four Seasons’ quality assurance protocols. Warranty details should be confirmed with the point of purchase or manufacturer documentation.