Elring 315.540 Engine Oil Cooler Seal

Engine Oil Cooler Seal for VW and Audi

Elring 315.540 is an engine oil cooler seal made from HNBR (hydrogenated nitrile butadiene rubber) for a precise sealing interface in the oil cooling system. It is built for Audi A1, A3, Q2, Q3 and Volkswagen Golf, Jetta, Tiguan, Polo, Taos, Caddy, Nivus, Virtus, Up!, and Golf SportWagen applications where a reliable oil cooler seal is required.

Key Features

• HNBR construction for resistance to heat, oil, and long-term sealing stress
• Engine oil cooler seal for service and repair work on the cooling and lubrication system
• Elring 315.540 for direct part identification during maintenance and replacement
• Cross-references OE-style part numbers 04E 115 111 D and 04E 115 111 E for the same application
• Fits a wide range of Audi and Volkswagen models from 2012-2025

Detailed Description

Elring 315.540 is an HNBR engine oil cooler seal engineered for applications that require stable sealing performance under heat and oil exposure. HNBR, or hydrogenated nitrile butadiene rubber, is commonly selected for engine sealing components because it offers strong resistance to engine oil and elevated operating temperatures. This makes the seal a practical choice for maintaining the oil cooler interface on vehicles such as the Volkswagen Jetta, Tiguan, Golf, Polo, Taos, and Caddy, as well as Audi A1, A3, Q2, and Q3 models. If you are searching for an engine oil cooler seal for Audi A1 2012-2018 or Volkswagen Tiguan 2015-2024, Elring 315.540 matches the listed applications.

This part cross-references OE-style part numbers 04E 115 111 D and 04E 115 111 E for the same application.

What It Helps Address

• Oil seepage at the engine oil cooler sealing surface
• Loss of sealing integrity after heat cycling and age
• Maintenance replacement during oil cooler service
• Leak-related contamination around the cooler assembly
• Fitment-specific replacement needs on VW and Audi engines

Installation Notes and Tips

• Confirm the part number and engine application before installation.
• Inspect the oil cooler mating surfaces for residue, damage, or distortion before fitting the new seal.
• Clean all sealing surfaces thoroughly so the HNBR seal seats evenly.
• Follow the vehicle service procedure for torque sequence and reassembly.
• Verify the seal is positioned correctly before returning the vehicle to service.

Quality Assurance

Elring is a recognized sealing-system brand, and this oil cooler seal is manufactured with HNBR material for application-specific durability in engine service.