Four Seasons 158374 A/C Compressor

Overview of Four Seasons New Compressor 158374

The Four Seasons New Compressor 158374 is designed specifically for Audi A8 Quattro and Volkswagen Phaeton models. This A/C compressor supports R134a refrigerant and comes oil filled with compatible Pag 46 refrigerant oil, ensuring reliable HVAC system performance.

• Compatible with Audi A8 Quattro and Volkswagen Phaeton
• Refrigerant type: R134a
• Includes oil filled with Pag 46 refrigerant oil
• 7-groove serpentine pulley for efficient belt engagement
• 12-volt coil voltage with 1 wire lead coil clock position
• Includes clutch assembly with a maximum diameter of 4.53 inches
• Mounting type: 3 tangent, one on rear head
• Pin terminal type for electrical connection
• Includes O-rings (part numbers 24635, 24659, 24683) for proper sealing

Four Seasons New Compressor Product Line Details

The Four Seasons New Compressor line offers brand new, direct replacement compressors engineered to meet or exceed OEM specifications. The New Compressor 158374 is part of this line, providing a complete assembly including the clutch and oil fill, designed to simplify installation and restore proper A/C function in compatible vehicles.

Detailed Product Description

This Four Seasons A/C compressor (part number 158374) is a Nippondenso 7SEU16C type compressor tailored for the Audi A8 Quattro and Volkswagen Phaeton. It features a 7-groove serpentine pulley with a diameter of approximately 4.53 inches, ensuring compatibility with factory belt systems. The compressor includes a clutch assembly with a maximum diameter of 4.53 inches and a coil voltage of 12 volts, utilizing a pin terminal type and a single wire lead coil clock position for electrical connections. The mounting configuration uses three tangent points, one located on the rear head, matching OEM mounting requirements. The unit comes pre-filled with Pag 46 refrigerant oil and includes necessary O-rings for sealing, though mounting hardware is not included. Note that installation may require the use of an OE manifold.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Audi A8 Quattro and Volkswagen Phaeton
• Replaces failing or noisy compressor clutch assemblies
• Solves refrigerant leaks due to worn O-rings or seals
• Addresses compressor failure from oil contamination or wear
• Resolves belt slippage issues related to pulley wear or damage

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Use OE manifold tools as recommended for proper refrigerant handling
• Ensure all O-rings are replaced and properly lubricated with Pag 46 oil
• Check serpentine belt condition and alignment during installation
• Electrical connections require pin terminal compatibility and proper coil wiring

Quality Assurance and Warranty

The Four Seasons New Compressor 158374 is a new, direct replacement part manufactured to meet OEM standards. It includes oil fill and clutch assembly to ensure proper operation upon installation. While mounting hardware is not included, the compressor is supplied with necessary O-rings for sealing. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.