Besides the supply of a complete range of valve train components for world鈥檚 major engine makers, we can also develop and produce OEM parts for rocker arms, camshafts, valve guides, rocker shafts, valve seat inserts, precombustion chamber,etc. according to customers鈥 drawings and samples benefitting from our rich experience in R & D.


Our Products

Rocker Arms

MSG rocker arms cover the world鈥檚 most complete engine applications for nearly 3000 engine codes, with reliable quality gaining good reputation from customers all over the world. Read more


MSG camshafts have over 500 part codes. Complete engine range, stable quality, high-efficient production and good new item development capacity make the products meet various customers鈥 demands. Read more

Valve Guides

MSG is the valve guide supplier of world鈥檚 most complete varieties now, having annual production output ability of over 10 million pieces for more than one thousand types. Read more

Valve Lifters

MSG valve lifters cover a range of over 200 codes for most car brands.Full range engine applications, high technical production level and strong new item development ability are the superiorities benefitting customers. Read more

Other Products

MSG also supplies valve seats, rocker shafts, precombustion chambers, crankshafts and cylinder heads with a large variety of engine applications. Read more

Why Choose Us?

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Mosga Autoparts supply superior qualified valve train engine components, covering the most complete engine applications for overseas aftermarket benefiting from continuous product development on the strength of cooperation with customers all over the world for over 20 years.

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Quality Control System


Quality Control

MSG has strictly executed complete QA system throughout the whole production, including material sourcing and production line inspection and lab testing.Read more



MSG strictly implements all quality control standards, as ISO/TS16949 and ISO9001-2000, throughout the whole production procedures to ensure the reliable products quality. Read more