Four Seasons 58947 A/C Compressor

Reliable A/C Compressor for Chevrolet, GMC, and More

The Four Seasons New Compressor 58947 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 Chevrolet Blazer, GMC Jimmy, and Hummer H1, ensuring proper cooling and system reliability.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes clutch and high-pressure switch for seamless operation
• Features a 6-groove serpentine pulley with 4.25-inch diameter
• Designed with a tangent mount and pin-type terminal
• Oil-filled and includes sealing washers and O-rings for secure connections

Detailed Features of Four Seasons New Compressor 58947

This Four Seasons New Compressor 58947 is a new, direct replacement A/C compressor built for GM vehicles such as Chevrolet Blazer, GMC Savana 1500, and Isuzu Hombre. It operates on 12-volt coil voltage and uses a pressure switch type for high-pressure monitoring. The compressor type is HT6, optimized for R134a refrigerant and compatible with Pag 150 oil, which is included. The clutch assembly is included, with a maximum diameter of 4.25 inches and a coil clock position at 11 o'clock, ensuring proper fit and function.

The pulley system features six grooves designed for serpentine belts, with a pulley diameter of approximately 108 mm (4.25 inches) and a belt width of 0.875 inches (22.225 mm). The mounting type is tangent mount with a mount distance of 15.24 mm, providing a secure and precise installation. The compressor includes sealing washers on both suction and discharge ports, along with two O-rings (part number 24354) to maintain system integrity and prevent leaks.

Compatible Vehicles and Applications

This A/C compressor is compatible with a range of GM vehicles, including:

• Chevrolet Blazer, S10, and Sonoma
• GMC Jimmy, Savana 1500, 2500, and 3500
• Hummer H1
• Isuzu Hombre and Bravada
• Oldsmobile models

Common Issues Addressed by This Compressor

• Loss of air conditioning cooling performance
• Clutch failure or slipping in the A/C system
• High-pressure switch malfunctions causing system shutdown
• Leaks due to worn or damaged seals and O-rings
• Noise or pulley wear affecting belt operation

Installation Notes and Tips

• Ensure the system is evacuated and properly charged with R134a refrigerant and Pag 150 oil
• Verify clutch alignment and coil clock position before installation
• Use new O-rings and sealing washers included to prevent leaks
• Check serpentine belt condition and replace if worn
• Mount compressor using tangent mount points; mounting hardware is not included

Quality Assurance and Warranty

The Four Seasons New Compressor line provides new, factory-quality replacement compressors designed to meet OEM specifications. Part number 58947 undergoes rigorous testing to ensure durability and performance in demanding automotive HVAC systems. While mounting hardware is not included, the compressor comes oil-filled and ready for installation. Warranty details should be confirmed with the distributor or manufacturer.