Gates 31780KA Fuel Tank Cap

Gates Keyed Alike Fuel Cap for Secure Fuel Tank Closure

The Gates 31780KA is a lockable fuel tank cap built for fleet use and multiple like-model vehicles that need fuel security with a single-key setup. It is a threaded, emission-control fuel cap that helps maintain a proper seal while simplifying key management.

Key Features

• Lockable keyed-alike design for simplified fleet key control
• Threaded cam type for secure fuel tank engagement
• Emission control venting to support the vehicle’s evaporative system
• Shell diameter: 2.91 in.
• Thread diameter: 1.77 in.
• Depth: 2.48 in.
• Gates part number 31780KA

Product Details

Gates Keyed Alike Fuel Caps are built for applications where fuel tank security and convenience matter together. This 31780KA fuel tank cap uses a keyed-alike configuration, making it a practical choice for service fleets and owners of multiple like-model vehicles. It is also listed for 2002 Toyota Corolla, N/A, and the fitment data confirms direct application coverage for that vehicle. This part cross-references Stant 17504 for the same application.

The Gates 31780KA is part of the Keyed Alike Fuel Cap line, which focuses on standardized keying across multiple vehicles. That makes it easier to manage fuel access without changing the basic cap function. For buyers searching for a 2002 Toyota Corolla fuel cap, 2002 Toyota Corolla keyed alike fuel cap, or Gates 31780KA fuel tank cap, this part provides a direct match to the listed application.

Common Issues This Part Can Address

• Missing or damaged lockable fuel cap
• Fuel tank security concerns on fleet vehicles
• Improper sealing at the fuel filler neck
• Evaporative emissions system faults related to a worn cap seal
• Need for a single-key fuel cap setup across multiple vehicles

Installation Notes and Tips

Verify the thread diameter, shell diameter, and keyed-alike style before installation. Confirm the cap seats fully and locks correctly on the filler neck. For best results, compare the existing cap design and vehicle application details before ordering, especially when sourcing a 2002 Toyota Corolla fuel cap or replacing a Gates 31780KA unit.

Quality Assurance

Gates manufactures fuel system hardware for automotive applications with attention to fit, sealing, and application-specific design. The emission-control venting and lockable construction support proper fuel tank closure for the listed vehicle application.