Four Seasons 178389 A/C Compressor

Reliable A/C Compressor Replacement for Hyundai and Kia Models

The Four Seasons New Compressor 178389 is designed to restore efficient air conditioning performance in select Hyundai and Kia vehicles. Engineered for compatibility with R134a and R1234yf refrigerants, this A/C compressor meets the demands of modern automotive HVAC systems.

• Compatible refrigerant types: R134a and R1234yf
• Uses Poe (hybrid) oil for optimal lubrication
• Halla compressor type with tangent mount design
• Includes two O-rings (part numbers 24131 and 24622) for proper sealing
• Clutch and switch not included
• Designed for Hyundai Optima and Sonata models
• New unit, part number 178389

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new HVAC compressors engineered to meet original equipment specifications. This line focuses on delivering reliable, direct-fit replacements that support the latest refrigerant types and oil compatibility requirements. The 178389 model exemplifies this approach by providing a Halla-type compressor suitable for modern Hyundai and Kia vehicles.

Product Details and Specifications

This Four Seasons A/C compressor is designed for use with both R134a and R1234yf refrigerants, making it suitable for vehicles transitioning to newer refrigerant standards. It requires Poe (polyolester) hybrid oil for lubrication, though oil is not included with the unit. The compressor features a tangent mount style and is based on the Halla compressor design, known for its durability and efficiency. Two O-rings are included to ensure proper sealing during installation. Note that the clutch and switch components are not part of this assembly and must be sourced separately if needed.

Common Applications and Problem Resolution

• Restores A/C cooling performance in Hyundai Optima and Sonata models
• Replaces faulty or worn compressors causing insufficient cooling
• Addresses compressor failure due to refrigerant incompatibility
• Solves issues related to compressor noise or mechanical failure
• Supports system upgrades requiring R1234yf refrigerant compatibility

Installation Notes and Tips

Ensure the system is properly evacuated and flushed before installing the new compressor to prevent contamination. Verify compatibility with your vehicle’s refrigerant type and oil requirements. Since the clutch and switch are not included, inspect these components and replace if necessary. Use the provided O-rings to maintain a secure, leak-free connection. Follow manufacturer torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty

The Four Seasons New Compressor 178389 is a new, direct-fit replacement part manufactured to meet or exceed OEM standards. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.