Four Seasons 178315 A/C Compressor

Overview of Four Seasons New Compressor 178315

The Four Seasons New Compressor 178315 is designed specifically for Hyundai Equus and Genesis models. This A/C compressor is engineered to work with R134a refrigerant and comes fully oil filled with compatible Pag 46 refrigerant oil, ensuring reliable performance in your vehicle's HVAC system.

• Compatible refrigerant type: R134a
• Includes clutch and oil filled for immediate installation
• 6-groove serpentine pulley for efficient belt engagement
• 12-volt coil with 1 wire lead terminal type (pin)
• Tangent mount type with precise mounting distance of 37.846 mm
• O-ring sealed suction and discharge ports for leak prevention
• Designed for Hyundai Equus and Genesis models

Features of the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers new, direct replacement compressors designed to meet or exceed OEM specifications. The New Compressor line includes all necessary components such as the clutch and oil, reducing installation time and ensuring compatibility. This line focuses on delivering reliable HVAC performance for specific vehicle applications, including the Hyundai Equus and Genesis, with attention to fitment and durability.

Detailed Product Description

This Four Seasons A/C compressor (part number 178315) is a VS18E type compressor designed for use with R134a refrigerant and Pag 46 oil. It features a 6-groove serpentine pulley with a diameter of approximately 118.87 mm (4.6875 inches), matching the clutch diameter for smooth operation. The clutch is included and has a maximum diameter of 4.6875 inches, with a 1.5-inch distance from clutch to mounting flange, ensuring proper fitment. The compressor uses a tangent mount system with a mounting distance of 37.846 mm, and the coil operates at 12 volts with a single wire lead terminal. Both suction and discharge ports are sealed with green O-rings ([24602] and [24659]) to prevent leaks. The discharge port uses an O-ring type seal, and the ECV harness connector is compatible with compressor SE30F and vehicle SE22M connectors. Note that mounting hardware is not included, and installation may require the use of the original equipment manifold.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in Hyundai Equus and Genesis
• Restores proper air conditioning cooling performance
• Resolves clutch engagement problems due to worn or damaged clutch assemblies
• Fixes refrigerant leaks caused by damaged seals or ports
• Addresses compressor noise or failure from internal wear

Installation Notes and Tips

• Ensure compatibility with Hyundai Equus and Genesis models before installation
• Use the original equipment manifold as recommended for proper sealing
• Verify the serpentine belt condition and pulley alignment during installation
• Check electrical connections for the 12V coil and pin-type terminal
• Replace O-rings with the included green round O-rings to prevent leaks

Quality Assurance and Warranty

The Four Seasons New Compressor 178315 is a new, direct replacement part manufactured to meet OEM standards. It includes the clutch and oil necessary for proper operation. While mounting hardware is not included, the compressor is designed for straightforward installation with compatible Hyundai Equus and Genesis vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer.