Gates 31702 Fuel Tank Cap

OE Equivalent Fuel Cap for Reliable Sealing

The Gates 31702 OE Equivalent Fuel Cap is built for direct replacement on select Ford and Volkswagen applications. It is designed with rugged, heavy-duty construction and meets or exceeds OEM specifications for a dependable seal at the fuel tank.

Gates OE Equivalent Fuel Cap line focuses on OE-style fit and function for vehicles that use shallow or deep cam filler necks, including vented, non-vented, and vented anti-surge designs. This makes the Gates 31702 a practical choice for restoring proper fuel system sealing on older Ford trucks and compatible Volkswagen Jetta applications.

Key Features

• OE Equivalent Fuel Cap design for factory-style replacement
• Heavy-duty construction for everyday fuel system use
• Meets or exceeds OEM specifications
• Fits shallow and deep cam filler necks
• Emission control venting configuration
• Deep cam type with a 1.5 thread diameter
• Shell diameter: 2.88 in; depth: 1.2 in
• Non-lockable design

Detailed Description

The Gates 31702 fuel tank cap is engineered for OE performance and direct replacement service. It is intended for vehicles that require an emission-control fuel cap with deep cam engagement, helping maintain a secure seal at the filler neck. This part cross-references Febi-Bilstein 31702 for the same application.

Compatible With select 2013-2016 Volkswagen Jetta models, as well as 1970-1976 Ford Bronco, F-100, F-150, F-250, F-350, and E-100 Econoline applications listed in the fitment data. Use the Gates 31702 when you need an OE-style fuel cap for Ford F-100, Ford F-150, or Volkswagen Jetta fuel system service.

What It Helps Address

• Loose or worn fuel cap sealing surfaces
• Fuel vapor sealing concerns related to emission-control caps
• Incorrect fitment on deep cam filler necks
• Replacement needs for aging Ford truck and van fuel caps
• OE-style restoration on select Volkswagen Jetta fuel tanks

Installation Notes and Tips

Verify filler neck style, cam depth, and venting requirements before installation. Confirm the vehicle’s year, make, and model against the fitment list, especially on Ford applications with evaporative emission systems or mid-cab tank notes. Ensure the cap seats fully and turns to a secure stop after installation.

Quality Assurance

Gates OE Equivalent Fuel Caps are built to meet or exceed OEM specifications and are designed for OE-style fit and performance. The 31702 follows the brand’s heavy-duty construction standards for fuel system replacement parts.