From routine maintenance to complex diagnostics, L&I Diesel delivers honest, precision work on every make and model. Your truck deserves nothing less.
Whether it's a scheduled oil change or a full engine overhaul, we bring the same attention to detail to every job.
Advanced scan tools and expert troubleshooting to pinpoint issues fast — from check engine lights to complex performance problems.
Oil changes, filter replacements, fluid services, and scheduled inspections that keep your diesel running clean and reliable mile after mile.
Complete brake service, rotor resurfacing, suspension repair, and alignment — keeping your heavy-duty truck safe on every road.
Chip tuning, ECU programming, and power optimization tailored to your driving style — get more torque without sacrificing reliability.
Injector cleaning, fuel filter replacement, and complete fuel system diagnostics to restore efficiency and power to your diesel engine.
From Class 4 to Class 8 vehicles — transmission work, exhaust systems, turbo service, and major repairs for work trucks and commercial fleets.
Located off CO-2 in Brighton, L&I Diesel is a locally owned shop built for people who rely on their diesel every day. We treat every vehicle like it's our own — no shortcuts, no upselling, just honest work done right.
We've built our reputation on the belief that diesel owners deserve better — and we deliver it every time.
Clear estimates before any work begins. You'll always know the scope and cost upfront.
Deep experience with diesel systems across all major brands and model years.
We know your time matters. Most services are completed the same day.
Brighton-based, community-focused. We're your neighbors, and we take pride in that.
A look at the kind of work we do every day — precision, care, and attention to detail.
Whether it's a quick service or a major repair, L&I Diesel is here to get you back on the road — safely and on time.
Conveniently located off Colorado Highway 2, with ample parking and easy access from the metro area.
