Upgraded Locking Diesel Fuel Gas Cap 2PCS, 3 1/2" Course Thread 5.5 TPI Vented Semi Truck 3In-5.5 TPI Fuel Tank Cap Compatible with Kenworth Peterbilt Freightliner Western Star 572.1036

The Fuel Tank Cap TPI is for 5.5 Tank Port, Special Thread Diameter 3.5", Female Thread Fitting, Fuel tank locking cap for semi truck with 3 1/2" Male Pipe Filler Neck Size. Compatibles: The Locking Diesel Fuel Gas Cap 3 1/2" Course Thread 5.5 TPI Vented Semi Truck 3In-5.5 TPI Compatible with Peterbilt before 1980, fit for Freightliner before 1984, Replacement for Western Star before 1983, fit for Kenworth after 1984, Diesel only, Manufacturer Part Number: 572.1036, SNV431089. Features: The The diesel fuel cap lock built from high-quality materials for durability, Locking Diesel Fuel Cap features an aluminum construction for durability and stability against vandalism attempts. The Locking fuel tank cap with vent and pressure relief gas cap to regulate internal pressure in the fuel system Rubber Seal Design: The Turn Locking Diesel Fuel Gas Cap has a rubber seal, installing a sealed gas cap will improve efficiency and ensure that the fuel tank does not leak, ill-fitting locking gas cap can cost your truck up to 30 million gallons of gasoline each year. Locking Diesel Fuel Cap with Lock: The Locking Diesel Fuel Cap for trucks adopts quality lock cylinder two matching keys to avoid diesel theft, And has uniqueness, 7" safety chain, lifting ring and steel crossbar keep the fuel cap attached to the fuel tank without worrying about losing or falling off when refueling.