Replaces OEM Part Numbers: 3591620C2 572.1009.1UB 572.1036 3 1/2” diameter Locking Fuel Cap Gasket for Kenworth Peterbilt Freightliner Western Star Semi Truck 1/4 Turn Fuel Caps
Vehicle Compatibility: Pair of FKM Gaskets Fits For Freightliner Before 1984 | Fits For Kenworth T400 | T440 | T450 | T470 | T600 | T660 | T680 | T700 | T800 | T880 | T2000 | W900 | Fits For Peterbilt Before 1980 | Fits For Western Star Before 1983 | Compatible With Select International ProStar Models
Elevated Seal Integrity: Enhance your fuel system with our FKM fuel tank cap O-ring, designed for peerless durability. Exceptionally resilient in extreme temperatures from -20°C to +200°C and against aggressive chemicals, it provides a reliable seal. Outperforming standard NBR alternatives, FKM's superior quality and infrequent need for replacements offer enduring value and tranquility
Easy Installation: Our O-ring Seal Is An Upgrade Kit Designed To Fit Peterbilt Truck Fuel Tank Caps Perfectly. No Special Tools Are Required For Installation, Ensuring Your Fuel Tank Cap Will No Longer Leak
Seal Fuel Leaks Efficiently: Designed to stop common fuel tank issues such as fuel leaks, slow leaks, and hard closures. Restore proper sealing at the fuel cap to improve safety and ensure smoother refueling