Four Seasons 78391 A/C Compressor

Overview of Four Seasons New Compressor 78391

The Four Seasons New Compressor 78391 is designed specifically for Toyota Corolla and Matrix models. This A/C compressor is engineered to work with R134a refrigerant and comes pre-filled with compatible Pag 46 oil, ensuring reliable performance and efficient cooling.

• Compatible with Toyota Corolla and Matrix vehicles
• Uses R134a refrigerant and Pag 46 oil
• Includes clutch and oil pre-filled for convenience
• Features a 6-groove serpentine pulley
• 12-volt coil with 1 wire lead terminal
• Tangent mount type with precise mounting dimensions
• Includes green O-rings for suction and discharge ports

Detailed Product Features and Specifications

This Four Seasons New Compressor 78391 is a Nippondenso 10s15l type compressor designed for direct replacement in compatible Toyota Corolla and Matrix models. It features a 6-groove serpentine pulley with a diameter of 5.5 inches (139.7 mm) and a clutch maximum diameter of 5.5 inches, ensuring proper belt alignment and engagement. The compressor is oil-filled with Pag 46 oil and includes the clutch assembly, which simplifies installation. The coil operates at 12 volts and uses a pin terminal with a single wire lead positioned at the 1 o'clock clock position. The mounting type is tangent mount with a mount distance of 52.07 mm (2.046875 inches) from clutch to mounting flange. Both suction and discharge ports use O-ring seals, with green O-rings included for a secure fit. Note that mounting hardware is not included, and OE manifold use may be required during installation.

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, direct-fit A/C compressors designed to meet or exceed OEM specifications. This product line focuses on providing reliable replacements with pre-filled oil and included clutches to reduce installation time and ensure compatibility. The New Compressor 78391 is part of this line, delivering a complete solution for Toyota Corolla and Matrix air conditioning systems.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in Toyota Corolla and Matrix
• Restores proper refrigerant compression and circulation
• Eliminates clutch engagement problems and pulley wear
• Resolves insufficient cooling due to compressor failure
• Addresses oil contamination or loss within the A/C system

Installation Notes and Tips

• Verify compatibility with your specific Toyota Corolla or Matrix model year
• Use OE manifold tools as needed for proper installation
• Ensure all O-rings are properly seated and lubricated before assembly
• Replace mounting hardware if worn, as it is not included
• Check belt alignment and tension on the 6-groove serpentine pulley

Quality Assurance and Warranty

The Four Seasons New Compressor 78391 is a new, factory-quality replacement part designed to meet OEM standards. It includes pre-filled oil and clutch assembly to ensure reliable operation. While specific warranty details may vary, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation for exact warranty terms.