Nissens 90659 Engine Oil Cooler

Engine Oil Cooler for Audi and Volkswagen

Nissens 90659 is an aluminum engine oil cooler built for select Audi and Volkswagen applications from 2014-2018. It supports stable oil temperature control in vehicles such as the Audi A4, Audi Q5, and Volkswagen Tiguan, helping maintain proper lubrication under daily driving and higher-load conditions.

Key Features

• Aluminum construction for efficient thermal transfer
• Core dimensions: 2.7600 in. height, 2.0500 in. width, and 5.43 in. length
• Designed as an engine oil cooler for thermal management in the lubrication circuit
• Includes 1 O-ring for sealing at the connection point
• OE-style replacement for select Audi and Volkswagen models

Detailed Description

Nissens 90659 is an engine oil cooler engineered for vehicles that rely on controlled oil temperatures to protect engine performance and durability. Built from aluminum, it uses compact core dimensions to fit the specified applications while supporting heat exchange in the oil system. This part cross-references URO 06J117021J for the same application. Nissens 90659 is a direct-fit option for drivers servicing an Audi A4, Audi A5 Quattro, Audi Q5, or Volkswagen Tiguan oil cooling system.

What It Helps Address

• Elevated engine oil temperatures during stop-and-go driving
• Oil temperature instability under sustained load
• Reduced thermal efficiency in the oil cooling circuit
• Leak concerns at the cooler connection point when the seal is worn
• Replacement needs for a damaged or aging factory oil cooler

Installation Notes and Tips

Verify the part number and vehicle application before installation. Confirm the cooler mounting location, inspect the sealing surface, and replace the O-ring during service to help prevent leaks. Clean the surrounding oil passages and check for contamination before reassembly. This part is listed for 2014-2018 Audi and Volkswagen applications, including Audi A4, A4 Quattro, allroad, A5, A5 Quattro, A6, A6 Quattro, Q3, Q3 Quattro, Q5, TT Quattro, and Volkswagen CC, Eos, GTI, Tiguan, and Tiguan Limited.

Quality Assurance

Nissens develops thermal and engine-efficiency components with a focus on consistent manufacturing quality and ongoing product development for the aftermarket. Part number 90659 is produced as a quality replacement oil cooler for the listed Audi and Volkswagen fitments.