Nissens 89090 A/C Compressor

Reliable A/C Compressor for Dodge and Mercedes-Benz Vehicles

The Nissens 89090 A/C compressor is engineered for efficient climate control in select Dodge and Mercedes-Benz models. Designed to work with R134a refrigerant and pre-filled with PAG 46 oil, this compressor ensures optimal performance and durability.

• Compatible refrigerant type: R134a
• Pre-filled with PAG 46 refrigerant oil
• 7-groove pulley for precise belt alignment
• Maximum pulley diameter of 3.937 inches
• Compressor type: 7SEU17C
• First fit design for time-saving installation

Technical Details and Features

The Nissens 89090 A/C compressor features a 7-groove pulley system with a maximum diameter of 3.937 inches, designed to match factory specifications for smooth operation. It uses R134a refrigerant and is pre-filled with PAG 46 oil, which is compatible with the compressor’s internal components to maintain lubrication and prevent premature wear. The 7SEU17C compressor type is widely recognized for its reliability in automotive HVAC systems. This unit is a first fit replacement, meaning it comes ready to install without additional oil filling, reducing installation time and potential errors.

Compatible Vehicles and Applications

This A/C compressor is compatible with a range of Dodge and Mercedes-Benz models, including but not limited to:

• Dodge Sprinter 2500, 3500, and 3500XD
• Mercedes-Benz CL65 AMG, CL600, GL320, GL350, ML320, ML350
• Mercedes-Benz R320, R350, S65 AMG, S350, S600
• Mercedes-Benz SL65 AMG, SL600, SLK32 AMG

Common Issues Addressed by This Compressor

• Loss of cooling performance due to compressor failure
• Unusual noises from worn or damaged compressor components
• Refrigerant leaks caused by compressor seal degradation
• Overheating of the A/C system due to inefficient compression
• Failure of the compressor clutch or pulley system

Installation Notes and Tips

The Nissens 89090 compressor is designed as a first fit replacement, pre-filled with PAG 46 oil to simplify installation. Ensure the vehicle’s A/C system is properly evacuated and flushed before installation to prevent contamination. Verify the pulley groove count and diameter match the existing setup to avoid belt misalignment. It is recommended to replace the receiver/drier and expansion valve when servicing the compressor to maintain system integrity.

Quality Assurance and Warranty

Nissens manufactures this compressor to meet OEM standards for durability and performance. The unit undergoes rigorous testing to ensure compatibility with specified Dodge and Mercedes-Benz models. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects for a defined period.