Dorman 80989 Engine Oil Filler Cap

Engine Oil Filler Cap for Audi and Volkswagen

Dorman 80989 is an engine oil filler cap built to match the fit and function of the original cap on specified vehicles. It uses durable nylon construction with an oil-resistant black finish for dependable sealing on a wide range of Audi and Volkswagen applications.

Compatible With Audi A3, Audi A4, Audi TT, Volkswagen Jetta, Volkswagen Golf, and other listed models across 1980-2018 applications, this twist-lock oil cap is a direct replacement for worn, cracked, or missing OE-style caps. Part number 80989 also cross-references OE number 06B103485C for the same application.

Key Features

• OE-style engine oil filler cap for specified Audi and Volkswagen vehicles
• Durable nylon body with a black, oil-resistant finish
• Twist-lock design for secure installation and removal
• Matches original fit and function on listed applications
• Direct replacement for OE part number 06B103485C
• Part number: 80989

Detailed Description

This Dorman engine oil filler cap is engineered to replace the original cap on a broad range of Audi and Volkswagen engines. The nylon construction helps provide reliable durability, while the oil-resistant material is suited for the heat and exposure found in the engine bay. Its compact 2.54 in diameter and 1.18 in height support proper fitment where the factory cap is specified.

Use 80989 when you need a replacement oil cap for vehicles such as Audi A3, Audi A4 Quattro, Volkswagen Beetle, Volkswagen Passat, and Volkswagen Touareg. The twist-lock style helps ensure a secure seal, making this part a practical choice for routine maintenance and repair work on compatible engines.

What It Helps Fix

• Missing or lost engine oil filler cap
• Cracked or brittle plastic cap housing
• Oil seepage around the filler opening
• Improper sealing at the valve cover oil fill point
• Service issues caused by a worn OE-style cap

Installation Notes and Tips

Confirm the OE part number and vehicle application before installation. This cap uses a twist-lock design and does not include a dipstick. Inspect the filler neck and sealing surface for damage or debris before fitting the new cap to help ensure a proper seal.

Quality Assurance

Dorman designs this replacement cap to match the original cap’s fit and function on specified vehicles. It is built for durable, reliable performance in normal engine-bay conditions.