Gates 31743 Fuel Tank Cap

Overview of Gates OE Equivalent Fuel Cap 31743

The Gates OE Equivalent Fuel Cap 31743 is designed to provide reliable fuel system sealing for a range of Chevrolet, Chrysler, Dodge, GMC, and Plymouth vehicles. Engineered to meet original equipment performance standards, this fuel tank cap ensures proper venting and emission control for compatible models.

• OE Equivalent Fuel Cap with deep cam design
• Thread diameter: 1.38 inches for secure fitment
• Shell diameter: 3.22 inches for proper sealing
• Depth: 1.88 inches to match OEM specifications
• Emission control venting to maintain fuel system integrity
• Non-lockable design for straightforward installation
• Compatible with multiple Chevrolet, Chrysler, Dodge, GMC, and Plymouth models

About the Gates OE Equivalent Fuel Cap Product Line

The Gates OE Equivalent Fuel Cap product line focuses on delivering fuel caps that meet or exceed original equipment (OE) performance requirements. This ensures that the fuel caps provide proper sealing, venting, and emission control comparable to factory-installed parts. The 31743 model is part of this line, offering a deep cam design and emission control venting to maintain fuel system efficiency and regulatory compliance.

Detailed Product Description

The Gates 31743 fuel tank cap features a deep cam type that ensures a tight and secure seal on the fuel tank opening. With a thread diameter of 1.38 inches and a shell diameter of 3.22 inches, it is engineered to fit precisely on specified vehicle models. The 1.88-inch depth matches OEM dimensions, allowing for proper engagement and sealing. This fuel cap includes emission control venting, which helps regulate pressure within the fuel tank and reduces evaporative emissions. Although it is not lockable, the cap is designed for easy installation and removal while maintaining fuel system integrity.

Compatible Vehicles and Applications

• Chevrolet B100, B150, B200, B250, B300, B350, Blazer, C10, C10 Suburban, C20, C20 Suburban, C30
• Chrysler Dart, Plymouth Valiant
• Dodge D100, D150, D200, D300, Ramcharger
• GMC Jimmy, K5 Blazer, K10, K10 Suburban, K20, K20 Suburban, K30
• Other models including PB150, PB250, PB350, W100, W150, W200, W300

Common Issues Addressed by This Fuel Cap

• Prevents fuel evaporation and vapor leaks
• Maintains proper fuel tank pressure through emission control venting
• Replaces worn or damaged fuel caps causing check engine light triggers
• Ensures compliance with emission regulations
• Prevents fuel contamination from external debris

Installation Notes and Tips

• Ensure the fuel tank opening is clean before installation
• Align the cap threads carefully to avoid cross-threading
• Turn the cap until it clicks or seats firmly to confirm proper sealing
• Check for any fuel odors or leaks after installation
• Replacement is recommended if the original cap is cracked, warped, or missing venting features

Quality Assurance and Warranty

The Gates OE Equivalent Fuel Cap 31743 is manufactured to meet OE performance standards, ensuring durability and reliable operation. Gates products typically undergo rigorous quality control processes to maintain consistency and fitment accuracy. Please refer to Gates' official warranty policy for specific coverage details related to this fuel cap.