Four Seasons 178338 A/C Compressor

Reliable A/C Compressor for Ford Aviator and Explorer

The Four Seasons New Compressor 178338 is designed to restore efficient air conditioning performance in Ford and Lincoln vehicles. Engineered for compatibility with the Ford Aviator and Explorer models, this A/C compressor supports both R-134a and R-1234yf refrigerants, ensuring versatility for modern HVAC systems.

• Compatible with Ford Aviator and Explorer, and Lincoln models
• Supports refrigerant types R-134a and R-1234yf
• Includes clutch with a maximum diameter of 4.31 inches
• 6-groove serpentine pulley for reliable belt engagement
• 12-volt coil voltage with lead wire terminal type
• Mounting type: 3 tangent one on rear head
• Compressor type: 7sas17c Nippondenso design
• Includes O-rings [24257] and [24642] for proper sealing

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new, direct replacement compressors designed to meet or exceed OEM specifications. This line focuses on delivering reliable HVAC performance with components like the included clutch and precise coil clock positioning. The New Compressor 178338 is part of this line, providing a fresh, factory-quality compressor solution for your vehicle’s air conditioning system.

Detailed Product Description

This Four Seasons A/C compressor features a Nippondenso 7sas17c type design, known for its durability and efficiency. It operates with a 12-volt coil and a lead wire terminal, ensuring straightforward electrical connections. The compressor includes a clutch with a 4.31-inch maximum diameter, matching the pulley lip and ridge diameters for consistent operation. The 6-groove serpentine pulley supports smooth belt engagement, while the mounting configuration with three tangents and one on the rear head ensures secure installation. The compressor is compatible with both R-134a and R-1234yf refrigerants, making it suitable for updated HVAC systems in Ford Aviator and Explorer vehicles.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Ford Aviator and Explorer models
• Replaces worn or failed compressors causing insufficient cooling
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks with included O-rings for proper sealing
• Improves serpentine belt drive reliability with 6-groove pulley design

Installation Notes and Tips

Ensure compatibility with your specific Ford Aviator or Explorer model before installation. This compressor requires proper mounting using the 3 tangent and rear head points. Note that mounting hardware is not included and must be sourced separately. Verify the coil voltage and terminal type match your vehicle’s electrical system. Properly install the included O-rings to prevent refrigerant leaks. It is recommended to evacuate and recharge the A/C system with the correct refrigerant type (R-134a or R-1234yf) after installation.

Quality Assurance and Warranty

The Four Seasons New Compressor 178338 is a new, direct replacement part manufactured to meet OEM standards. It includes quality components such as the clutch and O-rings 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. Consult the product packaging or manufacturer for exact warranty terms.