Weichai.L21-31.50603-02/021 Connecting rod
Weichai.L21-31.51630-04/033 O-Rings (Cooling water Pipes)
Weichai.L21-31.51401-29/217 Sealing Ring (High-pressure Oil Pump)
Weichai.L21-31.51435-13/403 Seal Ring (High-pressure Oil Pump)
Weichai.L21-31.51435-13/062 Support Ring (HIGH-PRESSURE Oil Pump)
Weichai. L21-31.50907-21/406 temperature sensor