This injector oil return seal features a durable, tight connection, ensuring a leak-free connection Fitment: For Komatsu For Cummins For QSL9 0445120125 0445120236 Diesel Fuel Injector Nozzle Made of material Manufactured with strict quality standards, performance and durability The Injector Valve is easy to install and operate, no complicated tools, easy to use, save time and labor, bringing you great convenience The Injector Nozzle is easy to install and operate, no complicated tools, easy to use, save time and labor, bringing you great convenience, Manufacturer: JKKKKS