Gates 31733 Fuel Tank Cap

Gates 31733 Locking Fuel Cap Overview

The Gates 31733 Regular Locking Fuel Cap is a non-vented fuel tank cap built to meet OEM specifications and Federal and State emission requirements. It uses a two-way pressure relief and vacuum relief valve to let the tank breathe while helping contain fuel fumes.

Built for 1982-1997 Chevrolet Camaro and 1982-1997 Pontiac Firebird applications, this locking fuel cap is a direct-fit choice for drivers replacing a worn or missing fuel tank cap on these vehicles.

Key Features

• Lockable regular fuel cap for added fuel system security
• Non-vented design for the specified applications
• Threaded cam type for secure engagement
• Pressure relief and vacuum relief valve helps maintain tank breathing
• Meets OEM specifications and emission requirements stated by Gates
• Part number 31733 for easy identification and ordering

Product Details

Gates Regular Locking Fuel Cap 31733 is engineered as a threaded, non-vented fuel tank cap with a 1.81-inch thread diameter, 2.97-inch shell diameter, and 2.47-inch depth. The locking design helps secure the fuel tank opening, while the internal valve system supports normal tank pressure changes during operation. This makes it a practical replacement for Chevrolet Camaro and Pontiac Firebird owners who need a fuel cap that matches the original application requirements.

This part cross-references Monroe Shocks & Struts 5794 for the same application.

Common Issues This Part Can Address

• Missing or damaged fuel cap on a Chevrolet Camaro or Pontiac Firebird
• Fuel vapor odor caused by a cap that no longer seals properly
• Check engine light concerns related to a faulty fuel tank cap seal
• Fuel tank pressure retention problems from a worn locking cap
• Need for a replacement non-vented threaded fuel cap with lock

Installation Notes and Tips

Verify thread diameter, shell diameter, and depth against the original cap before installation. Confirm that the cap seats fully and locks correctly after tightening. For best results, inspect the filler neck threads and sealing surface for wear, dirt, or damage before installing the new cap. Use the vehicle fitment details to confirm application on 1982-1997 Chevrolet Camaro and 1982-1997 Pontiac Firebird models.

Quality Assurance

Gates manufactures this fuel cap to meet OEM specifications and the emission-related requirements listed in the product description. Part number 31733 is built for the specified Camaro and Firebird applications with a locking, non-vented design and pressure/vacuum relief valve.