Gates 31833 Fuel Tank Cap

OE Equivalent Fuel Cap for VW and Audi

The Gates 31833 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 for select Volkswagen and Audi applications, including Jetta, Golf, Passat, A4, A6, TT, and related models across multiple years.

Gates OE Equivalent Fuel Cap line focuses on rugged construction and OE-level performance. This cap is engineered to meet or exceed OEM specifications and is designed to work with shallow and deep cam filler necks, including vented, non-vented, and vented anti-surge setups where applicable.

Key Features

• Gates part number 31833
• OE Equivalent Fuel Cap design for factory-style replacement
• Heavy-duty construction for everyday fuel system service
• Meets or exceeds OEM specifications
• Threaded cam type
• Vacuum-only venting
• OE performance rating
• Fits shallow and deep cam filler necks

Detailed Description

This fuel tank cap is a practical replacement for worn, missing, or damaged caps on many Volkswagen and Audi vehicles. The Gates 31833 is sized with a 1.77-inch thread diameter, 2.78-inch shell diameter, and 2.05-inch depth, helping support a secure OE-style seal on the correct filler neck design. It is not lockable and uses vacuum-only venting.

Compatible applications include 2011-2013 Volkswagen Jetta, 2010-2011 Audi A3, 2006-2010 Audi A8 Quattro, 2008-2010 Audi R8, 2006-2007 Volkswagen Golf, 2005 Volkswagen Touareg, and 1990-2005 Volkswagen Passat. The Gates 31833 also cross-references Wix 46182 for the same application.

What It Helps Solve

• Loose or damaged fuel cap sealing
• Fuel vapor loss from a worn cap
• Check engine light concerns related to cap sealing
• Incorrect fit from a non-OE-style replacement cap
• Fuel tank cap wear on older Volkswagen and Audi models

Installation Notes and Tips

Verify the filler neck style, thread diameter, and venting type before installation. This cap uses a threaded cam design and is intended for vacuum-only applications, so matching the original cap style is important for proper fitment. Confirm vehicle-specific application details for your Volkswagen Jetta, Audi A4, Audi A6, or other listed model before purchase.

Quality Assurance

Gates OE Equivalent Fuel Caps are manufactured with rugged, heavy-duty construction and are built to meet or exceed OEM specifications. The product line is positioned as an OE-performance replacement for factory fuel cap service.