Four Seasons 178337 A/C Compressor

Reliable A/C Compressor for Ford Bronco, Explorer, and Ranger

The Four Seasons New Compressor 178337 is designed to restore efficient air conditioning performance in select Ford vehicles. Engineered for compatibility with Ford Bronco, Explorer, and Ranger models, this A/C compressor supports both R-134a and R1234yf refrigerants to meet modern HVAC system requirements.

• Compatible with Ford Bronco, Explorer, and Ranger
• Supports refrigerants R-134a and R1234yf
• Includes clutch assembly with a maximum diameter of 4.31 inches
• Features a 4-groove serpentine pulley for reliable belt engagement
• 12-volt coil with 2-wire lead terminal type
• Mounting type: 3 tangent bolts with one on rear head
• Compressor type: 7sas17c Nippondenso design
• Includes compressor discharge port gasket and O-rings for sealing

Four Seasons New Compressor Product Line Overview

The Four Seasons New Compressor line offers brand-new, direct replacement A/C compressors designed to meet or exceed OEM specifications. This product line focuses on delivering reliable performance and durability for HVAC systems in a variety of vehicle applications. The 178337 model is part of this line, providing a fresh compressor unit with included clutch and coil components to ensure proper function and fitment.

Detailed Product Description

The Four Seasons 178337 A/C compressor is a Nippondenso 7sas17c type unit engineered for use in Ford Bronco, Explorer, and Ranger vehicles. It supports both R-134a and R1234yf refrigerants, making it suitable for updated air conditioning systems. The compressor features a 4-groove serpentine pulley with a 4.31-inch diameter, ensuring compatibility with factory belt systems. The included clutch assembly has a maximum diameter of 4.31 inches and operates on a 12-volt coil with a 2-wire lead terminal. Mounting is secured via three tangent bolts, including one on the rear head, providing a stable and precise fit. The package includes essential sealing components such as the compressor discharge port gasket and O-rings to maintain system integrity.

Common Issues Addressed by This A/C Compressor

• Loss of cooling performance due to compressor failure
• Clutch slipping or not engaging properly
• Refrigerant leaks at compressor seals
• Noise or vibration from worn compressor components
• Incompatibility with updated refrigerant types R-134a or R1234yf

Installation Notes and Tips

When installing the Four Seasons 178337 compressor, ensure the correct refrigerant type (R-134a or R1234yf) is used according to vehicle specifications. Verify the serpentine belt condition and pulley alignment to prevent premature wear. Note that mounting hardware is not included and must be reused or sourced separately. Proper torque on the three tangent mounting bolts, including the rear head bolt, is essential for secure installation. Electrical connections should be made to the 2-wire lead coil terminal for correct clutch operation.

Quality Assurance and Warranty

Four Seasons New Compressor units are manufactured to meet OEM standards for fit, form, and function. The 178337 compressor undergoes rigorous quality control to ensure reliable operation in Ford Bronco, Explorer, and Ranger models. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.