Nissens 90870 Automatic Transmission Oil Cooler

Automatic Transmission Oil Cooler for Mercedes-Benz C43 AMG

Nissens 90870 is an aluminum automatic transmission oil cooler built for thermal control in the transmission circuit. It is listed for 2017-2020 Mercedes-Benz C43 AMG and 2021-2023 Mercedes-Benz C43 AMG without housing, making it a direct-match option for the specified applications.

Key Features

• Aluminum construction for efficient heat transfer
• Core dimensions: 5.5500 in. length, 4.29 in. width, 2.8000 in. height
• 15-row core design
• 0.85 in. inlet diameter and 0.85 in. outlet diameter
• Gasket or seal included
• OE-style fitment for Mercedes-Benz C43 AMG applications

Product Details

This Nissens automatic transmission oil cooler, part number 90870, is engineered to manage transmission fluid temperature by transferring heat away from the oil circuit. Nissens develops thermal management components to high manufacturing standards, and this cooler reflects that focus with an aluminum core, matched inlet and outlet sizing, and seal inclusion for the listed Mercedes-Benz C43 AMG fitments. It is a practical replacement for 2017-2020 Mercedes-Benz C43 AMG and 2021-2023 Mercedes-Benz C43 AMG models without housing.

This part cross-references Mercedes-Benz OE numbers 0995002500 and A0995002500 for the same application.

What It Helps Address

• Transmission fluid temperatures that run higher than normal
• Heat buildup during stop-and-go driving or spirited use
• Reduced cooling efficiency in the transmission oil circuit
• Leak concerns at the cooler connection points when seals are worn
• Replacement needs for a damaged or aging transmission oil cooler

Installation Notes and Tips

Verify the vehicle is a 2017-2020 or 2021-2023 Mercedes-Benz C43 AMG and confirm the application note without housing before installation. Compare inlet and outlet diameters, core dimensions, and mounting layout against the original cooler to ensure proper alignment. Inspect the transmission lines, seals, and surrounding cooling components for wear or contamination before reassembly.

Quality Assurance

Nissens is a market-leading manufacturer of thermal and engine efficiency components, and its products are developed and manufactured to consistent quality standards. Part number 90870 is built to support the specified Mercedes-Benz C43 AMG applications with the materials and dimensions listed above.