Nissens 91446 Engine Oil Cooler

Engine Oil Cooler Overview

This Nissens engine oil cooler is an OEM-equivalent replacement built for reliable oil temperature control in lubricated systems. It is a fitment-based solution for Mercedes-Benz applications that require the version without housing, including Mercedes-Benz C300, E350, GLC300, and GLE350.

Key Features

• OEM-equivalent engine oil cooler for direct replacement use.
• Aluminum construction for efficient heat transfer.
• Integrated gasket or seal included for service-ready installation.
• Compact core design with 9-row construction.
• Built to Nissens quality standards with in-house testing.

Detailed Description

Nissens part number 91446 is an engine oil cooler engineered to maintain proper oil temperature and support dependable operation of lubricated components. The aluminum core measures 5.51 in. long, 2.76 in. wide, and 2.17 in. high, with a 0.89 in. outlet diameter. This configuration is listed for Mercedes-Benz C300, E350, GLC300, and GLE350 applications specified without housing. Part number 91446 is an OEM-equivalent choice for drivers and technicians replacing a worn or inefficient oil cooler in these Mercedes-Benz models.

Nissens focuses on heat exchanger performance and validates products through in-house testing to meet quality standards. If you are sourcing a Mercedes-Benz C300 oil cooler, Mercedes-Benz GLC300 oil cooler, or a replacement for related Mercedes-Benz applications, this unit provides the specified fitment and construction details needed for a correct service match. Cross-reference part numbers include 2641880000 and 2641880001 for the same application.

Common Issues This Part May Address

• Oil temperature running higher than normal.
• Reduced cooling efficiency in the lubrication circuit.
• Leakage at the cooler seal interface.
• Replacement needs for a damaged or worn oil cooler core.
• Service requirements on Mercedes-Benz engines listed without housing.

Installation Notes and Tips

Verify the vehicle is listed for the without-housing configuration before ordering. Confirm the outlet diameter and core dimensions match the original unit, and inspect the sealing surfaces carefully during installation. This part number 91446 is intended for the fitments shown and should be matched to the exact application before service.

Quality Assurance

Nissens uses in-house testing facilities to verify compliance with its quality standards and to support long service life. Part number 91446 is built as an OEM-equivalent oil cooler for consistent replacement performance.