Nissens 891805 A/C Compressor

Nissens A/C Compressor for Mercedes-Benz G-Class and SUV Models

The Nissens 891805 A/C compressor is built to OE standards for dependable cabin cooling in demanding conditions. It is a direct-fit style replacement for select Mercedes-Benz G63 AMG, G500, G550, GL450, GL500, GL550, ML350, ML500, ML550, and ML63 AMG applications with R134A systems.

• OE-standard compressor construction for consistent A/C performance
• 7SEU17C compressor type with 12V operation
• Designed for R134A refrigerant and PAG 46 oil
• Oil filled and supplied with clutch included
• 6-groove serpentine pulley for belt-driven operation
• 2-pin connector, 2 O-rings included, O-rings installed
• Outside pulley diameter: 4.33 in.

Detailed Product Information

Nissens part number 891805 uses a 7SEU17C compressor design with a 6-groove serpentine pulley, 12-volt electrical operation, and a 2-pin connector. It is configured for R134A refrigerant and PAG 46 oil, with the compressor oil filled and the clutch included. Nissens focuses on critical compressor components such as the pulley, clutch, hub, bearing, and wobble plate to support stable pumping performance, low noise, reduced vibration, and long service life. This part cross-references Mercedes-Benz OE numbers 0032309811 and 003230981180 for the same application.

Compatible With Mercedes-Benz G63 AMG, Mercedes-Benz G500, Mercedes-Benz G550, Mercedes-Benz GL450, Mercedes-Benz GL500, Mercedes-Benz GL550, Mercedes-Benz ML350, Mercedes-Benz ML500, Mercedes-Benz ML550, and Mercedes-Benz ML63 AMG applications listed below. Nissens 891805 is a practical replacement choice when restoring factory-style A/C operation on Mercedes-Benz G-Class and SUV platforms.

What This Compressor Helps Address

• Weak or inconsistent cabin cooling
• Noisy compressor operation or belt-driven vibration
• A/C system performance loss from worn internal compressor components
• Clutch-related compressor engagement issues
• Replacement needs after compressor seizure or internal wear

Installation Notes and Tips

Fits 2013-2018 Mercedes-Benz G63 AMG, N/A. Fits 2013-2015 Mercedes-Benz G500, N/A. Fits 2013-2015 Mercedes-Benz G550, N/A. Fits 2013-2014 Mercedes-Benz GL450, N/A. Fits 2013-2014 Mercedes-Benz GL500, N/A. Fits 2013-2014 Mercedes-Benz GL550, N/A. Fits 2012-2014 Mercedes-Benz ML500, N/A. Fits 2012-2014 Mercedes-Benz ML550, N/A. Fits 2012-2014 Mercedes-Benz ML63 AMG, N/A. Fits 2012 Mercedes-Benz ML350, N/A.

Compressor is filled with shipping oil only and must be drained and refilled before installation. Verify refrigerant type, oil specification, pulley alignment, connector fitment, and O-ring sealing surfaces before charging the system. Always flush the A/C system and replace contaminated components if compressor failure was caused by internal debris.

Quality Assurance

Nissens manufactures this compressor to OE-level standards and validates it for high-stress operating conditions. The design emphasis on the pulley, clutch, hub, bearing, and wobble plate supports reliable operation in Mercedes-Benz G63 AMG, G500, G550, GL450, GL500, GL550, ML350, ML500, ML550, and ML63 AMG applications.