Weichai engine parts-engine piston WEICHAI Styre engine. for WP10, WD615, WP12, Wd12 engines. Weichai styre engine parts-engine piston for WP10, WD615, WP12, Wd12 engines.For 9.726L and 12L engineWe supply all the parts for Weichai Engine sucha as piston, starter, oil pump,water pump, piston ring.Trip for helping buyer get right parts for the engine or trucks:1. better take photo of the spoiled ...