🚗COMPATIBLE MODELS: Tank Cap Gasket Seal Ring for Peterbilt Truck Tank Cap Models include 320, 325, 330, 335, 337, 340, 348, 357, 359, 362, 365, 367, 377, 378, 379, 384, 385, 386, 387, 388, 389, 567, 579, 587.

       🚗LEAK-PROOF DESIGN: Compatible with diesel fuel tank caps for Peterbilt trucks and semi-trucks, the fuel cap o-ring gasket is leak-proof as a replacement gasket for diesel fuel tank caps. Upgraded o-ring replaces 562.1014, 572.1014.1, 572.1015, 052-57210141 GTD49089 S21251, Perfect replacement for lever type fuel cap. please check the model number you need before purchasing.

       🚗ANTI-LEAKING: Gas tank cap sealing washer is made of high quality rubber material, which is durable, has good wear resistance and corrosion resistance, and is not easy to age and oxidize. Their size fully conforms to the design of the fuel tank cap, the reliable performance o-ring ensures that the following problems are solved: leaks and escapes, inability to turn off the engine when the handle is pressed and held down, and slow leaks from connections.

       🚗EASY INSTALLATION: The gas cap o-ring gasket is an upgraded replacement for Peterbilt fittings that fits perfectly on Peterbilt truck gas caps and requires no special tools for installation. Simply remove the gas cap, take out the old gasket, and replace it with the new one. When installing, please clean the oil filler and tighten the gas cap Your gas cap will work properly and no longer leak.