Gates 31103 Engine Oil Filler Cap

Gates Oil Filler Cap 31103

The Gates 31103 oil filler cap is an OE Exact replacement built with impact-resistant plastic and a black finish for a clean, factory-style appearance. It includes a gasket or seal and uses a twist-lock cam design for secure closure on supported applications.

Key Features

• OE Exact replacement for direct-fit service on listed vehicles
• Impact-resistant plastic construction for long service life
• Black finish matches common factory engine bay styling
• Twist-lock cam type for secure engagement
• Gasket or seal included for proper sealing at the oil fill neck
• Shell diameter: 2.32 in; neck diameter: 1.38 in; neck depth: 1.5 in
• Height: 1.29 in

Product Details

Gates Oil Filler Cap 31103 is engineered as an OE Exact oil cap replacement for a wide range of domestic and import vehicles, including BMW 3 Series, X5, X6, Chevrolet Silverado, GMC Sierra, Buick Enclave, and Mini Cooper applications. The cap is designed to restore a proper seal at the engine oil fill opening and maintain the original fit and function expected from a factory-style part. This part cross-references Dorman - HELP 42315 and 80987 for the same application.

What It Helps Solve

• Loose, cracked, or missing oil filler cap
• Oil seepage around the fill opening
• Improper sealing at the valve cover or oil fill neck
• Check engine concerns related to an unsecured oil cap on some vehicles
• Routine replacement during engine maintenance or valve cover service

Installation Notes and Fitment

Compatible With 2008-2024 Buick Enclave, N/A; 2024 Chevrolet Traverse Limited, N/A; 2009-2023 Chevrolet Traverse, N/A; 2014-2022 Mini Cooper, N/A; 2016-2022 Mini Cooper Clubman, N/A; 2017-2022 Mini Cooper Countryman, N/A; and many additional BMW, Chevrolet, GMC, Cadillac, Buick, Chrysler, Dodge, Pontiac, Saab, Saturn, Hummer, and Isuzu applications listed in the fitment data. Confirm the neck diameter, shell diameter, and twist-lock style before installation. Make sure the sealing surface is clean and the cap seats fully before operating the engine. For BMW oil filler cap replacement and Chevrolet Silverado oil filler cap service, verify the exact engine application against the vehicle listing before purchase.

Quality Assurance

Gates builds this oil filler cap with impact-resistant plastic construction and OE Exact comparison rating to support factory-style fit and sealing performance on the listed applications. Part number 31103 is identified by Gates as an OE Exact replacement.