Four Seasons 58643 A/C Compressor

Reliable A/C Compressor for Chevrolet and Geo Tracker

The Four Seasons New Compressor 58643 is designed to restore efficient air conditioning performance in Chevrolet and Geo Tracker vehicles. Engineered to meet OEM specifications, this A/C compressor ensures compatibility and durability for your vehicle's HVAC system.

• Compatible with R134a refrigerant and Pag 46 oil
• Includes oil pre-filled for immediate installation
• Features a 4-groove serpentine pulley for optimal belt engagement
• Comes with clutch assembly and green O-rings for secure sealing
• 12-volt coil with bullet terminal type for reliable electrical connection
• Ear mount design with precise clutch-to-mounting flange distance

Four Seasons New Compressor Product Line Overview

The New Compressor line by Four Seasons offers brand-new, direct replacement A/C compressors designed to meet or exceed original equipment standards. This product line focuses on delivering reliable performance and fitment for specific vehicle applications, such as the Chevrolet and Geo Tracker models. The 58643 compressor is part of this line, providing a complete assembly including clutch and oil, ready for installation.

Detailed Features and Specifications

This Four Seasons A/C compressor (part number 58643) is engineered for use with R134a refrigerant and compatible with Pag 46 refrigerant oil, which is included pre-filled to simplify installation. The compressor features a TM08HD type design with a 12-volt coil positioned at 12 o'clock and a bullet terminal for secure electrical connections. The pulley system includes four grooves designed for serpentine belts, with a pulley diameter of approximately 4.75 inches (120.65 mm). The clutch assembly is included, with a maximum diameter of 4.75 inches and a clutch-to-mounting flange distance of 1.546875 inches, ensuring proper fit and function. The mounting type is ear mount, and the suction ports use O-ring seals (#8 and #10 green O-rings included) to prevent leaks. Mounting hardware is not included and should be sourced separately.

Common Applications and Problem Resolution

• Replacement for failing or noisy A/C compressors in Chevrolet Tracker models
• Restores proper air conditioning cooling performance in Geo Tracker vehicles
• Addresses issues with clutch engagement or pulley wear
• Solves refrigerant leaks due to worn O-rings or seals
• Eliminates compressor failure caused by oil depletion or contamination

Installation Notes and Tips

Before installation, verify compatibility with your Chevrolet or Geo Tracker model year. Ensure the system is evacuated and flushed to remove contaminants. The included oil is pre-filled, but check oil levels according to manufacturer specifications. Use the provided green O-rings for suction port sealing and replace any mounting hardware if necessary, as it is not included. Proper torque specifications should be followed for mounting bolts and electrical connections. Confirm the serpentine belt condition and alignment during reassembly.

Quality Assurance and Warranty Information

The Four Seasons New Compressor 58643 is a new, direct replacement part manufactured to meet industry standards for durability and performance. It includes a clutch and is pre-filled with compatible refrigerant oil to ensure reliable operation. While mounting hardware is not included, the compressor assembly undergoes quality checks to ensure fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.