Brand:OSVAT, QUEEN, DOKURO Intake Valve (CATERPILLAR 3304NT) Engine NO. : 3304NT Model: CATERPILLAR IN/EX: IN OEM: 5 1, ... : 4Cr9Si2(SUH1) , 21-4N(SUH35) We could supply various kinds of engine valve for vw, volvo, toyota, suzuki, subaru, opel, dawoo, peugeot ...