Four Seasons 58961 A/C Compressor

Overview of Four Seasons New Compressor 58961

The Four Seasons New Compressor 58961 is designed specifically for select Chevrolet, Oldsmobile, and Pontiac models, including the Lumina APV, Silhouette, and Trans Sport. This A/C compressor is engineered to work with R134a refrigerant and includes essential components for reliable HVAC system performance.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes clutch and high-pressure switch for complete functionality
• Features a 6-groove serpentine pulley with a 4.25-inch diameter
• Oil-filled compressor with sealing washer discharge and suction ports
• Designed with Type IV metric thread mounting and pin terminal connection

Detailed Product Features and Specifications

The Four Seasons New Compressor 58961 is a new, oil-filled HR6 type compressor built to meet the demands of GM vehicles such as the Chevrolet Lumina APV, Oldsmobile Silhouette, and Pontiac Trans Sport. It operates on 12-volt coil voltage and includes a pressure switch to monitor system pressure. The compressor comes with a clutch assembly featuring a maximum diameter of 4.25 inches and a pulley groove count of six, designed for serpentine belt systems with a belt width of 0.875 inches (22.225 mm). Both the discharge and suction ports utilize sealing washers to ensure a secure, leak-free connection. The mounting system uses Type IV metric threads with a mount distance of 15.24 mm, though mounting hardware is not included. The coil clock position is set at 2 o'clock, and the terminal type is a pin connection for straightforward electrical integration.

About the Four Seasons New Compressor Product Line

The New Compressor line from Four Seasons focuses on delivering brand-new, ready-to-install A/C compressors that include critical components such as clutches and pressure switches. This line is designed to provide a direct replacement for original equipment compressors, ensuring compatibility and reliable operation in HVAC systems of specific vehicle models. The 58961 model exemplifies this approach by combining essential features and fitment details tailored for GM minivans and vans.

Common Applications and Problem Resolution

• Replacement for failing or noisy A/C compressors in Chevrolet Lumina APV, Oldsmobile Silhouette, and Pontiac Trans Sport
• Restores proper refrigerant compression and circulation in R134a systems
• Addresses clutch engagement issues with included clutch assembly
• Solves high-pressure switch failures affecting A/C system operation
• Eliminates leaks with included sealing washers on suction and discharge ports

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Ensure the use of Pag 150 oil as specified for optimal compressor lubrication
• Check belt alignment and tension on the 6-groove serpentine pulley
• Replace O-rings and sealing washers to prevent refrigerant leaks
• Note that mounting hardware is not included and must be sourced separately

Quality Assurance and Warranty

The Four Seasons New Compressor 58961 is manufactured to meet OEM specifications for durability and performance. It is supplied as a new unit, including clutch and pressure switch components, to ensure a complete and reliable replacement. While specific warranty details should be confirmed at the point of purchase, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.