Four Seasons 78371 A/C Compressor

Overview of Four Seasons New Compressor 78371

The Four Seasons New Compressor 78371 is designed specifically for Lexus GS300 and IS300 models. This A/C compressor ensures reliable air conditioning performance by using R134a refrigerant and comes fully equipped with essential components for a seamless replacement.

• Compatible with Lexus GS300 and IS300
• Uses R134a refrigerant and Pag 46 oil
• Includes clutch and oil pre-filled
• Features a 6-groove serpentine pulley
• Equipped with an RPM sensor switch and pin terminal

Key Features and Specifications

This Four Seasons New Compressor 78371 is a 7sbu16h type compressor with a 12-volt coil voltage and a tangent mount style. It includes a clutch with a maximum diameter of 4.6875 inches and a pulley diameter of 119.05 mm. The pulley has six grooves designed for serpentine belts, ensuring compatibility with the vehicle’s existing belt system. The compressor is oil-filled with Pag 46 oil and includes green O-rings for both suction and discharge ports, providing a secure seal.

Four Seasons New Compressor Product Line

The New Compressor line from Four Seasons focuses on delivering brand-new, direct replacement compressors that meet original equipment specifications. This product line includes compressors pre-filled with compatible refrigerant oil and equipped with necessary components such as clutches and sensors, reducing installation time and ensuring proper function. The 78371 model is part of this line, offering a reliable solution for Lexus GS300 and IS300 air conditioning systems.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in Lexus GS300 and IS300
• Restores proper refrigerant flow and pressure in the A/C system
• Solves clutch engagement problems with included clutch assembly
• Addresses RPM sensor switch failures affecting compressor operation
• Prevents leaks with included green O-rings for suction and discharge ports

Installation Notes and Tips

Installation of the Four Seasons New Compressor 78371 requires attention to the following details: the compressor uses a tangent mount with a mounting distance of 24.384 mm and a clutch-to-mounting flange distance of approximately 0.953 inches. The unit includes a speed sensor switch and a pin-type terminal for electrical connections. Note that mounting hardware is not included, and the use of the original equipment manifold may be necessary for proper installation.

Quality Assurance and Warranty

Four Seasons provides this New Compressor 78371 as a new, direct replacement part manufactured to meet or exceed OEM standards. The compressor is pre-filled with compatible Pag 46 oil and includes all necessary seals and clutch components to ensure reliable operation. Warranty details should be confirmed at the point of purchase, but Four Seasons typically offers coverage against defects in materials and workmanship.