Four Seasons 77371 A/C Compressor

Overview of Four Seasons Reman Compressor 77371

The Four Seasons Reman Compressor 77371 is designed specifically for Lexus GS300 and IS300 models. This remanufactured A/C compressor ensures compatibility with R134a refrigerant and includes essential components for reliable HVAC system performance.

• Compatible with Lexus GS300 and IS300
• Refrigerant type: R134a
• Includes clutch and oil-filled compressor
• Uses Pag 46 refrigerant oil
• Equipped with an RPM sensor switch
• Serpentine pulley with 6 grooves
• 12-volt coil voltage with 1 wire lead
• Tangent mount type for secure installation
• O-ring type suction and discharge ports
• Remanufactured Nippondenso 7sbu16h compressor type

Detailed Product Description

The Four Seasons Reman Compressor 77371 is a remanufactured Nippondenso 7sbu16h A/C compressor engineered for Lexus GS300 and IS300 vehicles. It operates with R134a refrigerant and is pre-filled with compatible Pag 46 refrigerant oil to maintain optimal lubrication. The compressor features a 12-volt coil with a single wire lead and includes an RPM sensor switch to monitor clutch engagement. The clutch assembly is included, with a maximum diameter of 4.6875 inches, and the pulley is designed with six grooves to accommodate serpentine belts. The tangent mount style and precise mounting distance of 24.384 mm ensure proper fitment and secure installation. Both suction and discharge ports utilize O-ring seals, with green O-rings included for leak prevention. The terminal type is pin style, facilitating electrical connections. This reman compressor may require the use of an original equipment manifold during installation.

Applications and Common Issues Addressed

• Replacement for failed or leaking A/C compressors in Lexus GS300 and IS300
• Resolves insufficient cooling due to compressor clutch failure
• Addresses refrigerant leaks from worn seals or ports
• Fixes noisy or seized compressor operation
• Restores proper A/C system pressure and airflow

Installation Notes and Tips

• Verify compatibility with Lexus GS300 or IS300 before installation
• Use original equipment (OE) manifold as recommended for proper sealing
• Ensure the serpentine belt is in good condition and properly tensioned
• Check electrical connections for the RPM sensor and coil terminals
• Replace O-rings as needed to prevent refrigerant leaks

Quality Assurance and Warranty

This Four Seasons Reman Compressor 77371 undergoes a thorough remanufacturing process to meet OEM specifications. It includes all necessary internal components such as the clutch and oil fill to ensure reliable operation. While mounting hardware is not included, the compressor is designed for direct replacement. Warranty coverage details should be confirmed with the parts provider or manufacturer to ensure protection against defects.