A&S Diesel Parts Co.,Ltd is a specialized global supplier of a wide range of Perkins diesel engine parts, including piston, piston ring, piston pin, crankshaft, cylinder block, cylinder liner, cylinder head,oil pumps, fuel pumps, crankcase, O-seal, compression spring, oil cooler, valve plunger,gasket, fuel injector, sleeve, exhaust pipes, inlet valve, screw, pressure stat, oil nozzles, filter, ...