Dallaires Diesel Performance

Dallaire's Diesel Performance Inc. is Bonnyville's trusted truck repair shop — a diesel-only facility specializing in Cummins, Duramax, and Powerstroke engines. From routine maintenance and diagnostics to full diesel performance upgrades in Bonnyville, we handle it all. Our experienced team offers engine repair, ECU tuning, compound turbo builds, injector upgrades, and fuel system work. Whether your truck needs a stock fix or a custom high-horsepower build, we deliver quality results. Serving Bonnyville, Cold Lake, Lac La Biche & northeastern Alberta.