Gates 31838 Fuel Tank Cap

Overview of Gates OE Equivalent Fuel Cap 31838

The Gates OE Equivalent Fuel Cap 31838 is designed to provide reliable fuel system sealing and emission control for a wide range of vehicles. Engineered with a quick-on cam type and emission control venting, this fuel tank cap meets original equipment performance standards for Chrysler, Dodge, Ford, Nissan, Subaru, Volkswagen, and other makes.

• OE Equivalent Fuel Cap with quick-on cam type for easy installation
• Thread diameter of 2.78 inches and shell diameter of 1.78 inches
• Depth of 2.41 inches for proper fitment
• Emission control venting to maintain fuel system integrity
• Non-lockable design for standard fuel tank access
• OE performance rating ensures compatibility and durability

Detailed Product Description

This Gates fuel tank cap, part number 31838, is part of the OE Equivalent Fuel Cap line, which focuses on delivering fuel caps that match original equipment specifications. The quick-on cam type mechanism allows for secure and straightforward attachment, reducing installation time while maintaining a tight seal. Its emission control venting feature helps prevent fuel vapor leaks, supporting compliance with environmental regulations. With a thread diameter of 2.78 inches and a shell diameter of 1.78 inches, this cap fits a variety of models from manufacturers such as Jeep, Mazda, Mercedes-Benz, Mitsubishi, and Ram.

Common Applications and Problem Solving

• Prevents fuel vapor leaks that can trigger check engine lights
• Maintains proper fuel system pressure and emission control
• Replaces worn or damaged fuel caps to avoid fuel contamination
• Ensures compatibility with Chrysler 300M, Dodge Charger, Ford Ranger, Nissan Altima, and Subaru Outback
• Helps restore fuel system integrity in vehicles experiencing fuel odor or evaporation issues

Installation Notes and Tips

• Ensure the fuel tank opening is clean before installation
• Align the quick-on cam properly and twist until secure
• Do not overtighten to avoid damaging the cap or fuel neck threads
• Check for proper venting function after installation
• Compatible with multiple models including Jeep Wrangler, Volkswagen Jetta, and Infiniti FX35

Quality Assurance and Warranty

Gates OE Equivalent Fuel Cap 31838 is manufactured to meet OE performance standards, ensuring reliable fit and function. The product undergoes rigorous quality control to maintain durability and emission compliance. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to support long-term use in vehicles such as the Dodge Ram 1500, Mazda CX-9, and Mercedes-Benz GL350.