Gates 31613 Fuel Tank Cap

OE Equivalent Fuel Cap for Volkswagen and Audi

The Gates 31613 OE Equivalent Fuel Cap is built for drivers who need a direct replacement fuel tank cap with OE-style fit and function. It is made with rugged, heavy-duty construction and meets or exceeds OEM specifications for the listed applications.

Compatible with threaded filler neck applications across select Volkswagen and Audi models, this fuel cap is a practical replacement for worn, damaged, or missing caps. The Gates 31613 is also engineered to work with shallow and deep cam filler necks, including vented, non-vented, and vented anti-surge designs.

Key Features

• OE Equivalent Fuel Cap construction for OE Performance applications
• Threaded cam type for select threaded filler necks
• Pressure relief venting
• Rugged, heavy-duty build
• Fits shallow and deep cam filler neck designs
• Meets or exceeds OEM specifications
• Part number 31613 for easy identification

Product Details

This Gates fuel tank cap is designed as an OE-style replacement for a wide range of Volkswagen Jetta, Golf, GTI, Beetle, and Audi A4, A6, A3, S4, and related models. It is a direct-fit solution for vehicles listed with threaded filler necks and pressure-relief venting requirements. The 31613 part number is also cross-referenced with Gates 34059 for the same application.

For shoppers searching for a Volkswagen Jetta fuel cap replacement, Audi A4 fuel tank cap, or a threaded gas cap for select VW and Audi vehicles, this part provides the correct OE-equivalent format without changing the original fuel system design.

What It Helps Address

• Broken or worn fuel cap sealing surfaces
• Fuel cap warning lights caused by a poor seal
• Loss of pressure relief function in the fuel system
• Replacement needs for missing or damaged threaded caps
• Fitment issues on shallow or deep cam filler necks

Installation Notes and Tips

Verify the filler neck style before ordering, especially on Volkswagen and Audi models with threaded filler necks. Match the cap to the vehicle’s original venting and cam type requirements, and confirm the application by year, make, and model before installation. This part is listed for 2018 Volkswagen Jetta, 2005-2016 Volkswagen Jetta, 2010-2013 Volkswagen Golf, 2007-2013 Volkswagen GTI, 2006-2011 Volkswagen Beetle, 2004-2009 Audi A4, and other confirmed applications in the fitment data.

Quality Assurance

Gates OE Equivalent Fuel Caps are built to meet or exceed OEM specifications and are produced for OE-style performance in the listed applications. The Gates 31613 is intended to deliver the fit and function expected from a direct replacement fuel cap.