Nissens 91270 Engine Oil Cooler

Nissens 91270 Engine Oil Cooler

The Nissens 91270 engine oil cooler is an aluminum thermal management component built for Mercedes-Benz applications that require stable oil temperature control. It is listed for a wide range of Mercedes-Benz C43 AMG, GLC43 AMG, E-Class, S-Class, GLE, GLS, SL, SLK, CLS, and ML models, including 2014-2023 coverage.

Key Features

• Aluminum construction for efficient heat transfer
• Core dimensions: 2.8000 in. height, 2.5600 in. width, 6.14 in. length
• Designed with one O-ring sealing point
• Direct-fit application coverage for multiple Mercedes-Benz turbo and performance models
• Cross-reference: this part cross-references 2761880001 for the same application
• Part number: 91270

Detailed Description

Nissens 91270 is an engine oil cooler engineered for vehicles where oil temperature control is critical to engine efficiency and durability. Nissens develops thermal components to meet demanding aftermarket requirements, and this unit follows that approach with an aluminum core and application-specific fitment for Mercedes-Benz platforms. It is a strong match for drivers searching for a Mercedes-Benz C43 AMG oil cooler, GLC43 AMG engine oil cooler, or a replacement oil cooler for E450, S450, and related models. The part number 91270 is also useful when verifying replacement needs against OE-style references.

Vehicle Fitment

• Fits 2022-2023 Mercedes-Benz C43 AMG, WITHOUT HOUSING
• Fits 2022-2023 Mercedes-Benz GLC43 AMG, WITHOUT HOUSING
• Fits 2017-2021 Mercedes-Benz C43 AMG
• Fits 2017-2021 Mercedes-Benz GLC43 AMG
• Fits 2019-2020 Mercedes-Benz E450
• Fits 2018-2020 Mercedes-Benz S450
• Fits 2019-2020 Mercedes-Benz S560e
• Fits 2017-2020 Mercedes-Benz SL450
• Fits 2017-2020 Mercedes-Benz SLC43 AMG
• Fits 2019 Mercedes-Benz GLE400
• Fits 2016-2017 Mercedes-Benz GLE400
• Fits 2017-2019 Mercedes-Benz GLE43 AMG
• Fits 2017-2019 Mercedes-Benz GLS450
• Fits 2014-2018 Mercedes-Benz E400
• Fits 2017-2018 Mercedes-Benz E43 AMG
• Fits 2016-2018 Mercedes-Benz GLE350
• Fits 2016-2018 Mercedes-Benz GLE550e
• Fits 2015-2017 Mercedes-Benz CLS400
• Fits 2015-2017 Mercedes-Benz S550e
• Fits 2016 Mercedes-Benz C450 AMG
• Fits 2014-2016 Mercedes-Benz E350
• Fits 2015-2016 Mercedes-Benz GL450
• Fits 2016 Mercedes-Benz GLE450 AMG
• Fits 2015-2016 Mercedes-Benz SL400
• Fits 2014-2016 Mercedes-Benz SLK350
• Fits 2014-2015 Mercedes-Benz C350
• Fits 2015 Mercedes-Benz C400
• Fits 2014-2015 Mercedes-Benz GLK350
• Fits 2014-2015 Mercedes-Benz ML350
• Fits 2015 Mercedes-Benz ML400
• Fits 2014 Mercedes-Benz C300

Common Replacement Reasons

• Oil temperature running higher than normal
• Oil cooler leakage at the sealing surface
• Cooling performance loss from age or contamination
• Replacement during engine cooling system service
• Fitment correction for Mercedes-Benz oil cooler service work

Installation Notes and Tips

Confirm the vehicle’s OE reference and housing configuration before ordering, especially for 2022-2023 C43 AMG and GLC43 AMG applications marked without housing. Inspect the sealing surfaces carefully and replace the O-ring during installation. Clean the mating area thoroughly to help prevent leaks and verify proper oil and coolant routing after installation.

Quality Assurance

Nissens is a market-focused thermal component manufacturer with a broad aftermarket catalog for engine efficiency and cooling systems. The 91270 oil cooler is built as a quality replacement part for Mercedes-Benz applications and is identified by part number 91270 for accurate catalog matching.