Four Seasons 78313 A/C Compressor

Overview of Four Seasons New Compressor 78313

The Four Seasons New Compressor 78313 is designed for reliable air conditioning performance in select Audi, Porsche, and Volkswagen models. Engineered to work with R134a refrigerant and compatible with Pag 46 oil, this A/C compressor ensures efficient cooling and system longevity.

• Compatible refrigerant: R134a
• Includes oil filled with Pag 46 refrigerant oil
• 6-groove serpentine pulley for optimal belt engagement
• 12-volt coil with 1 wire lead terminal
• Includes clutch assembly with a maximum diameter of 4.75 inches
• Tangent mount type with precise mounting distance of 39.37 mm
• Discharge and suction ports sealed with green O-rings
• Compressor type: Nippondenso 7SB16C
• Part number: 78313

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line focuses on delivering brand-new, direct replacement A/C compressors that meet original equipment specifications. The New Compressor 78313 is part of this line, providing a complete assembly including the clutch and oil fill, designed to simplify installation and restore factory-level air conditioning performance in compatible vehicles.

Technical Description and Features

This Four Seasons A/C compressor features a 6-groove serpentine pulley with a 4.75-inch diameter, ensuring proper belt alignment and power transmission. The clutch is included and designed with a maximum diameter of 4.75 inches, matching OEM dimensions. The compressor uses a 12-volt coil with a single wire lead terminal, facilitating straightforward electrical connections. It is a Nippondenso 7SB16C type compressor, compatible with R134a refrigerant and pre-filled with Pag 46 oil to maintain lubrication and system efficiency. The mounting is tangent style with a 39.37 mm mount distance, and the discharge and suction ports use green O-rings for secure sealing.

Compatible Vehicles and Applications

This A/C compressor is compatible with various Audi, Porsche, and Volkswagen models, including:

• Audi A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, Allroad Quattro, S4, S6, S8, RS6
• Porsche 911, Boxster, Cayman
• Volkswagen Passat

It is designed to replace the original compressor in these vehicles, restoring proper air conditioning function and system reliability.

Common Issues Addressed by This Compressor

• Loss of cooling due to compressor failure
• Clutch slipping or not engaging properly
• Refrigerant leaks from worn seals or O-rings
• Excessive noise or vibration from compressor wear
• Inadequate lubrication causing premature compressor damage

Installation Notes and Tips

Installation of the Four Seasons New Compressor 78313 requires attention to the following:

• May require use of original equipment (OE) manifold for proper fitment
• Mounting hardware is not included and must be reused or sourced separately
• Ensure the serpentine belt is properly aligned with the 6-groove pulley
• Verify electrical connections match the 1 wire lead pin terminal
• Check and replace O-rings as needed to prevent refrigerant leaks

Quality Assurance and Warranty

The Four Seasons New Compressor 78313 is a brand-new, direct replacement part manufactured to meet or exceed OEM specifications. It includes pre-filled refrigerant oil and a complete clutch assembly to ensure reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.