7X-7700 Locking Fuel Cap for Caterpillar Excavators 320D 311D 323D

7X-7700 Locking Fuel Cap – High-Quality Aftermarket Replacement for Caterpillar Equipment

Secure your Caterpillar machine’s fuel tank with this premium aftermarket 7X-7700 locking fuel cap. Complete with keys and vented for proper pressure relief, it’s engineered as a direct OEM replacement to prevent theft, contamination, and spills while maintaining safe tank ventilation.

Key Benefits for Contractors and Operators

• Anti-Theft Protection: Locking mechanism with included keys deters fuel siphoning – essential for machines left on unsecured job sites overnight.
• Direct Fit Installation: Matches genuine Cat specs for quick, no-modification replacement – simple twist-on design for fast fueling security.
• Built Tough for Heavy Duty Use: Durable construction resists impacts, weather, and corrosion for long-lasting reliability in harsh environments.
• Cost-Effective Alternative: OEM-level security and functionality at aftermarket pricing – perfect for fleet owners and independent operators.
• Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Caterpillar Models

This locking fuel cap is widely used across many models including (verify your machine’s parts manual for exact fit):

• Excavators: 311D, 312D, 313D, 315D, 319D, 320B/C/D, 321D, 323D series
• Wheel Loaders: 950F/G, 966F/G, 980G/H, 990 series
• Motor Graders: 120H/M, 140H/M, 160H/M series
• Dozers, Compactors, Articulated Trucks, and many other Cat machines

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.