Welcome To Merchant Automotive—The Duramax Diesel Engine & Allison Transmission Performance Specialists You Can Count On!


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LGH Duramax Engines

Merchant Automotive offers a variety of exterior, interior, and engine performing parts such as transfer cases, air intake systems, transmission parts, lift kits, engine gaskets, wheels, leveling kits, filters, cooling systems, installation hardware, fuel systems, and more LGH Duramax Engine parts and accessories. These products are manufactured from top brands such as Merchant Automotive, GM, and ACDelco.