This replacement diesel emissions fluid (DEF) injector gasket matches the fit and function of the original equipment gasket. Made of quality materials for a dependable seal, this gasket should be replaced any time the DEF injector is serviced. Product Features:Direct replacement - this DEF injector gasket matches the original equipment gasket for fit and functionDurable construction - this gasket is made of quality materials for a dependable, long-lasting sealCost-effective solution - offers original equipment quality at competitive priceQuality tested - this part has undergone vehicle try-on testing to ensure a quality fit