About Williams Diesel Performance LLC

Williams Diesel Performance LLC is a full-service diesel repair and performance shop in Wiggins, MS. We keep diesel pickups, heavy-duty work trucks and fleets running strong with honest diagnostics, quality repairs and dependable maintenance.

Powering Diesel Performance with Integrity

Our mission is to keep diesel pickups, heavy-duty work trucks and fleets running stronger for longer. We combine honest diagnostics, quality parts and skilled workmanship so you can haul, tow and work with confidence every day.

Les Williams

Owner & Lead Professional Diesel Mechanic

Les Williams is the owner and lead diesel mechanic at Williams Diesel Performance LLC. After years of turning wrenches and solving tough problems on diesel pickups, work trucks and fleets, he opened his own shop to give customers honest answers, quality repairs and the kind of service he’d want for his own truck.