Four Seasons 58950 A/C Compressor

Reliable A/C Compressor for GM and Isuzu Vehicles

The Four Seasons New Compressor 58950 is designed to restore efficient air conditioning performance in select Cadillac, Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered for use with R134a refrigerant, this A/C compressor ensures compatibility and durability for your vehicle's HVAC system.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes oil fill and high-pressure pressure switch
• 6-groove serpentine pulley with 5-inch diameter
• 12-volt coil with 11 o'clock clock position
• Comes with clutch assembly and sealing washers
• Tangent mount type for secure installation
• Pin-type electrical terminal for reliable connection

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. The New Compressor 58950 is part of this line, providing a complete assembly that includes the clutch, coil, and pressure switch. This ensures a straightforward installation and reliable operation for your vehicle's air conditioning system.

Detailed Product Description

This Four Seasons A/C compressor (part number 58950) is engineered for use with R134a refrigerant and compatible with Pag 150 oil, ensuring optimal lubrication and performance. The compressor features a 6-groove serpentine pulley with a 5.000-inch diameter and a belt width of 0.875 inches (22.225 mm), designed to fit the serpentine belt systems found on many GM and Isuzu trucks and SUVs. The included clutch assembly has a maximum diameter of 5.000 inches and operates on a 12-volt coil positioned at 11 o'clock for proper alignment. A high-pressure pressure switch is included to maintain system safety and efficiency. The compressor uses a tangent mount type for secure attachment, and the pin-type terminal ensures a reliable electrical connection. Two sealing washers (O-rings) are included for the suction port to prevent leaks.

Compatible Vehicles and Applications

• Cadillac Escalade
• Chevrolet Blazer, Silverado, Tahoe, Suburban 1500, S10
• GMC C1500, C2500, C3500, Jimmy, K1500, K2500, Yukon
• Isuzu Hombre, Bravada
• Oldsmobile models

Common Issues Addressed by This Compressor

• Loss of A/C cooling performance due to compressor failure
• Clutch engagement problems causing intermittent A/C operation
• Leaks from worn or damaged compressor seals
• Noise or vibration from a failing compressor pulley or clutch
• Electrical issues related to coil or pressure switch failure

Installation Notes and Tips

Installation requires removal of the old compressor and proper evacuation of the A/C system. Ensure the system is flushed and the correct amount of Pag 150 oil is used. The included sealing washers must be installed on the suction port to prevent leaks. Note that mounting hardware is not included and must be reused or sourced separately. Verify the coil voltage and terminal type match your vehicle’s wiring harness before installation.

Quality Assurance and Warranty

The Four Seasons New Compressor 58950 is a new, direct replacement part manufactured to meet OEM specifications. It includes all necessary components such as the clutch and pressure switch for a complete repair solution. While specific warranty details vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.