Four Seasons 178398 A/C Compressor

Reliable A/C Compressor for Ford Fiesta Vehicles

The Four Seasons New Compressor 178398 is designed to restore efficient air conditioning performance in Ford Fiesta models. Engineered to work with R-134a or R1234yf refrigerants, this A/C compressor ensures compatibility with modern HVAC systems.

• Compatible refrigerant types: R-134a or R1234yf
• Includes oil for optimal lubrication
• 6-groove serpentine pulley for reliable belt engagement
• Pin-type electrical terminal with 1 wire lead coil clock position
• Clutch included with a maximum diameter of 4.25 inches
• Tangent mount style for secure installation
• Designed as a new, not remanufactured, compressor
• Includes three O-rings for proper sealing
• 12-volt coil voltage suitable for standard vehicle electrical systems

About the Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new HVAC compressors built to meet original equipment specifications. This product line focuses on delivering reliable, direct-fit replacements that maintain system integrity and performance. The 178398 model is part of this line, providing a fresh, unused compressor designed to fit Ford Fiesta vehicles requiring a VS16 type compressor with a tangent mount.

Detailed Product Description

This Four Seasons A/C compressor features a VS16 compressor type, optimized for Ford Fiesta air conditioning systems. It includes a 6-groove serpentine pulley with a diameter of approximately 4.25 inches, ensuring proper belt alignment and tension. The clutch assembly is included, with a maximum diameter of 4.25 inches and a 2.5-inch distance from clutch to mounting flange, facilitating precise fitment. The compressor is oil-filled to support internal lubrication and longevity. Electrical connections use a pin-type terminal with a single wire lead coil clock position, operating at 12 volts. The tangent mount design provides a secure and stable installation point on compatible Ford Fiesta models. Additionally, the compressor comes with three O-rings ([24257], [24642], and [24243]) to ensure proper sealing and prevent refrigerant leaks.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Ford Fiesta vehicles
• Replaces faulty or worn-out compressors causing insufficient cooling
• Eliminates compressor clutch engagement problems
• Resolves refrigerant leaks due to damaged seals or O-rings
• Addresses pulley or belt slippage issues affecting A/C operation

Installation Notes and Tips

Ensure compatibility with your Ford Fiesta model before installation by verifying the compressor type and mounting style. The Four Seasons 178398 compressor requires a serpentine belt with six grooves and a tangent mount setup. Note that mounting hardware is not included and must be sourced separately. Proper handling of the included O-rings during installation is critical to prevent refrigerant leaks. Electrical connections use a pin-type terminal; verify coil voltage compatibility with your vehicle’s electrical system. It is recommended to evacuate and recharge the A/C system with the appropriate refrigerant (R-134a or R1234yf) after installation.

Quality Assurance and Warranty

Four Seasons New Compressor 178398 is manufactured to meet or exceed OEM standards for fit, form, and function. As a new compressor, it provides reliable performance for Ford Fiesta HVAC systems. Please refer to Four Seasons’ warranty policy for specific coverage details, which typically includes protection against defects in materials and workmanship.