Nissens 890379 A/C Compressor

Reliable A/C Compressor for Mercedes-Benz Models

The Nissens A/C Compressor 890379 is engineered to provide efficient cooling performance for select Mercedes-Benz vehicles. Designed for compatibility with R134a refrigerant and pre-filled with PAG 46 oil, this compressor ensures a streamlined installation and dependable operation.

• Compatible refrigerant type: R134a
• Pre-filled with PAG 46 refrigerant oil
• 6-groove pulley for optimal belt engagement
• Maximum pulley diameter: 4.5275 inches
• Compressor type: 6SEU16C
• First fit design for time-saving installation

Technical Details and Compatibility

This Nissens A/C Compressor (part number 890379) is specifically designed for Mercedes-Benz models including C63 AMG, C300, C350, CLS400, E63 AMG, E250, E350, GLK250, GLK350, ML350, SLC43 AMG, and SLK350. The compressor uses R134a refrigerant and is pre-filled with PAG 46 oil, which is compatible with the system requirements of these vehicles. Featuring a 6-groove pulley and a maximum pulley diameter of 4.5275 inches, it matches the original equipment specifications to maintain proper belt alignment and tension. The 6SEU16C compressor type is known for its reliability and efficiency in automotive HVAC systems.

Common Applications and Problem Resolution

• Restores proper air conditioning cooling performance in Mercedes-Benz C-Class and E-Class models
• Replaces faulty or worn compressors causing insufficient refrigerant compression
• Addresses issues related to noisy or seized compressor pulleys
• Solves intermittent A/C clutch engagement problems
• Eliminates refrigerant leaks associated with compressor failure

Installation Notes and Tips

The Nissens 890379 compressor comes pre-filled with PAG 46 oil, simplifying the installation process and reducing the need for additional oil handling. It is designed as a first fit replacement, which helps save time during installation. Ensure the system is properly evacuated and flushed before installing the new compressor to prevent contamination. Verify belt alignment with the 6-groove pulley and check the maximum pulley diameter to confirm compatibility with your vehicle’s belt system.

Quality Assurance and Warranty

Nissens manufactures this A/C compressor to meet strict quality standards, ensuring durability and performance in demanding automotive environments. While specific warranty details may vary, Nissens products typically come with a limited warranty covering defects in materials and workmanship. Always consult the warranty documentation provided with the part number 890379 for exact terms.