Four Seasons 58901 A/C Compressor

Reliable A/C Compressor for GM Trucks and SUVs

The Four Seasons New Compressor 58901 is designed to restore efficient air conditioning performance in select GM vehicles. Engineered for compatibility with R134a refrigerant, this A/C compressor meets the demands of models like the Chevrolet Silverado and Cadillac Escalade.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes clutch and high-pressure switch for complete functionality
• Features a 4-groove serpentine pulley with a 4.25-inch diameter
• Designed with a tangent mount and pin-type terminal for secure installation
• Oil filled and includes sealing washers and O-rings for reliable sealing

Four Seasons New Compressor Product Line Overview

The New Compressor line from Four Seasons offers brand-new, direct replacement compressors engineered to meet original equipment specifications. This ensures consistent performance and durability for HVAC systems in GM trucks and SUVs. The 58901 model is part of this line, providing a Hu6 compressor type with a 12-volt coil and pressure switch included for precise operation.

Detailed Features and Specifications

This Four Seasons A/C compressor (part number 58901) is designed specifically for GM vehicles such as the Chevrolet Avalanche 1500, Silverado 2500 HD, GMC Sierra 3500, Cadillac Escalade EXT, and Yukon XL 2500. It uses R134a refrigerant and is compatible with Pag 150 oil, ensuring proper lubrication and cooling efficiency. The compressor includes a clutch assembly with a maximum diameter of 4.25 inches and a pulley featuring four grooves for serpentine belt compatibility. The coil is positioned at 11 o'clock and operates at 12 volts, while the included high-pressure switch helps maintain system safety. Installation is facilitated by a tangent mount with a 15.24 mm mount distance, and sealing washers on both suction and discharge ports help prevent leaks.

Common Applications and Problem Resolution

• Restores A/C cooling in GM trucks and SUVs with failing compressors
• Replaces compressors with worn or damaged clutches
• Solves issues related to refrigerant leaks at compressor ports
• Addresses compressor failures due to electrical coil or pressure switch faults
• Improves serpentine belt engagement with the included 4-groove pulley

Installation Notes and Tips

When installing the Four Seasons New Compressor 58901, ensure the system is properly evacuated and flushed before installation. The included oil fill is compatible with Pag 150 oil, but verify oil levels according to vehicle specifications. Note that mounting hardware is not included, so retain original bolts or source replacements as needed. Proper alignment of the clutch and pulley is critical for serpentine belt operation. The pressure switch is pre-installed, simplifying electrical connections with the pin-type terminal.

Quality Assurance and Warranty

Four Seasons provides new compressors built to meet or exceed OEM standards, ensuring reliable operation in compatible GM vehicles. The New Compressor line undergoes rigorous testing for performance and durability. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their HVAC components to cover defects in materials and workmanship.