Audi A4 B8 CDNC Oil Cooler: Check the Sealing Interface and Core-Only Package

The selected A4 B8 oil-cooler package contains a core only. The oil-filter housing, filter, hoses and replacement seals are excluded. Before ordering, separate the core comparison from the sealing and surrounding-parts requirements of the repair.

A stacked metal body may look familiar across several applications. For this selection, the original reference, engine specification and complete interface need to agree.

Keep the CDNC quattro sedan application

The selected CDNC engine-oil cooler core uses reference 06J117021J. It is listed for the Australian A4 B8 8K2 quattro sedan with the 2.0L CDNC TFSI petrol engine, 155kW, built 06/2008–12/2015.

The A4 or 2.0T badge alone does not establish another engine code, drivetrain or body application. Confirm the VIN, actual build month, engine code and original reference before the physical comparison.

Match the outlet, flange and three fluid ports

Audi A4 B8 cooler gallery view showing the stacked core, straight outlet and mounting tabs
Actual product-gallery view. Use the additional underside views to check the sealing face and three fluid ports.

The selected water-cooled heat exchanger has a straight hose outlet, mounting flange and three fluid ports. Compare outlet position, mounting holes and sealing face with the original. A top view alone cannot establish an underside interface.

Keep the full-unit photograph with the port detail so both views can be traced to the same cooler. Ask for a clearer image where a port or sealing feature is obscured; do not infer a dimension or passage from a related-looking unit.

Arrange the excluded seals before fitting

Replacement seals are not in the supplier package list. Have the installer identify the required seals and any other service items for this exact assembly. The visible shape of a sealing face does not establish the seal specification or fitting procedure.

This offer is an engine-oil cooler core. A photograph of the core should not be interpreted as a complete oil-filter housing assembly, and it does not identify the cause of an oil or coolant complaint.

Make the enquiry specific

Provide the vehicle identifiers, original reference and accessible photographs of the full core, outlet, flange and port face. State whether the housing is also part of the diagnosed repair and confirm the separate sealing requirements with the installer. Resolve any mismatch before selecting the package.

Prepared from application records and the linked product photographs. The featured workshop scene is an AI-generated editorial illustration. Information reviewed on 3 November 2026.

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