Nissens 90784 Engine Oil Cooler

Nissens Engine Oil Cooler for Mercedes-Benz Sprinter

The Nissens 90784 engine oil cooler is built for Mercedes-Benz diesel applications that require stable oil temperature control and reliable thermal management. It is an aluminum replacement part with OE-style fitment for select Sprinter, GLS350d, GL350, and ML350 models.

Key Features

• Aluminum construction for efficient heat transfer and corrosion resistance
• Core dimensions: 3.0300 in. height, 1.5000 in. width, and 10.71 in. length
• Designed with 2 O-rings for sealing at the connection points
• Direct replacement for OE part number 6421800165
• Fits select Mercedes-Benz Sprinter 2500, Sprinter 3500, and Sprinter 3500XD applications

Detailed Description

Nissens 90784 is an engine oil cooler developed for thermal control in Mercedes-Benz diesel platforms. The aluminum core supports heat exchange efficiency, while the OE-style dimensions help maintain proper packaging in the original mounting location. This part cross-references Genuine 6421800165 for the same application. It is a practical replacement choice for Mercedes-Benz Sprinter 2500, Sprinter 3500, Sprinter 3500XD, GLS350d, GL350, and ML350 vehicles where the original oil cooler has failed or is leaking.

Vehicle Fitment

• Fits 2022 Mercedes-Benz Sprinter 2500, WITHOUT HOUSING
• Fits 2022 Mercedes-Benz Sprinter 3500, WITHOUT HOUSING
• Fits 2022 Mercedes-Benz Sprinter 3500XD, WITHOUT HOUSING
• Fits 2014-2021 Mercedes-Benz Sprinter 2500
• Fits 2014-2021 Mercedes-Benz Sprinter 3500
• Fits 2019-2021 Mercedes-Benz Sprinter 3500XD
• Fits 2017 Mercedes-Benz GLS350d
• Fits 2014-2016 Mercedes-Benz GL350
• Fits 2014 Mercedes-Benz ML350

Common Replacement Reasons

• Oil temperature control problems
• Oil cooler leakage at the sealing surfaces
• Damaged or corroded cooler core
• Loss of cooling efficiency in high-load driving
• OE replacement need after cooler failure

Installation Notes and Quality Assurance

Verify the vehicle’s OE part number and housing configuration before ordering, especially for 2022 Sprinter applications noted as without housing. Inspect the sealing surfaces and replace worn O-rings during installation to help prevent leaks. Nissens develops and manufactures thermal management components to consistent quality standards across its aftermarket range.