SEMA Showcase: Dualoy Diesel Pistons From UEM

Nearly 100 Years of Piston Manufacturing Excellence

UEM has been around since 1922 and is currently producing some amazing OE replacement parts, pistons and more. This video highlights the Dualoy Diesel Piston for all Cummins, Duramax, and Powerstroke. Dualoy Diesel pistons are cast and machined in-house to maintain the highest level of quality and consistency. All Dualoy pistons feature a high-strength top ring carrier to improve the strength of the top land, and resistance to the extreme heat of diesel engines, according to UEM.

History of UEM

United Engine and Machine Company was started in 1922 in Fresno, California by Deuta Sulprizio, Sr. For eight years, the company continued to grow and build a reputation for the manufacturing of pistons. Then in 1930, the company was moved to San Leandro, California in order to supply OEM manufacturers located on the West Coast. – Read More On Their Official Site