Nissens 89039 A/C Compressor - Front

Reliable A/C Compressor for Mercedes-Benz Models

The Nissens 89039 A/C compressor is engineered for precise fitment and efficient cooling performance in select Mercedes-Benz vehicles. Designed to work seamlessly with R134a refrigerant and pre-filled with PAG 46 oil, this compressor supports optimal HVAC system operation.

• Compatible refrigerant type: R134a
• Pre-filled with PAG 46 refrigerant oil
• Compressor type: 7SEU17C
• 6-groove pulley design with a maximum diameter of 4.3307 inches
• First fit installation with pre-filled oil for time-saving replacement
• Compatible with multiple Mercedes-Benz models including C63 AMG, E350, and GLK350

Technical Details and Compatibility

The Nissens 89039 A/C compressor features a 7SEU17C compressor type, specifically designed for use with R134a refrigerant systems. Its 6-groove pulley and maximum pulley diameter of 4.3307 inches ensure proper belt alignment and drive efficiency. Pre-filled with PAG 46 oil, this compressor eliminates the need for additional oil filling during installation, reducing service time and potential errors. This unit is a first-fit replacement, engineered to meet the exact specifications required by Mercedes-Benz models such as the C230, CLS400, and S600.

Applications and Problem Resolution

This A/C compressor is intended for use in the HVAC systems of various Mercedes-Benz vehicles. It addresses common issues such as:

• Loss of cooling performance due to compressor failure
• Unusual noises or clutch engagement problems in the A/C system
• Refrigerant leaks related to compressor seals
• Overheating caused by inefficient compressor operation
• Wear and tear from extended use in models like the E63 AMG and SL400

Installation Notes and Tips

Installation of the Nissens 89039 compressor is streamlined by its pre-filled PAG 46 oil and first-fit design. Ensure the A/C system is properly evacuated and flushed before installation to prevent contamination. Verify belt alignment with the 6-groove pulley and confirm compatibility with the vehicle’s refrigerant type (R134a). Follow manufacturer torque specifications for mounting bolts and clutch engagement adjustments.

Quality Assurance and Warranty

Nissens compressors are manufactured to meet OEM standards for durability and performance. The 89039 part number undergoes rigorous quality control to ensure reliable operation in Mercedes-Benz HVAC systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.