Service Areas Surrounding
Denver, CO include:
Parker, Foxfield
Centennial, Lonetree
Highlands Ranch,Morrison
Englewood, Littleton

Diesel Truck

Hours of Operation:
7:30 a.m.–5:30 p.m.


Dealer Awards for Good Service



Exceptional Diesel Repair, Performance, & Emissions Services

Excel Diesel & Auto is situated in a state of the art 6600sq ft repair facility. We have the latest diaganosis equipment and training.  We also have an inground chassis dyno capable of 1500hp and 200mph runs and Diesel emission testing.We strive to form a down-home, one-on-one relationship with you when you come in for any Diesel or Gasoline powered truck or Autorepair or service. We work with all makes of diesels, including Cummins™, Powerstroke™, Duramax™, Ford™, Dodge™, GM™, and Chevy™. Contact us at 303-400-6040 for more information about our years of experience working with Diesel and Gasoline vehicles. We also service the southwest metro Denver area including Littleton, Englewood & Morrison.
Diesel Service & Repair
You can trust your diesel vehicle to Excel Diesel & Auto. We perform a variety of  services, including performance tuning, methenol injection, upgrades and diesel emissions work. Using OEM parts and aftermarket accessories, such as gages, lift kits, turbo upgrades, cold air boxes, and chips, exhaust our diesel experts are able to get the most out of your diesel or gasoline vehicle.
Oil Changes for Diesel Engines
Using Rotella™ 15-40 weight oil, we'll make sure your engine is well lubricated to provide the best performance possible. Our oil changes also include chassis lubrication, tire pressure checks, topping off your fluids, checking the vehicle for any obviously needed repairs, and providing you with a free 25-point safety inspection. We also provide winter checkups for your convenience.
State-of-the-Art Auto Repair Shop
Excel Diesel & SUV is situated in a new state-of-the-art 6,600-square-foot auto shop. We have the latest automotive diagnostic capabilities and equipment, including a chassis dyno and a 26,000 lb. 4-post service rack that can lift most service truck/large vehicles.
Coupon - Diesel Service - Trucks,  Truck, Denver CO Service Area includes: Parker, Centennial, Elizabeth, Franktown, Kiowa, Littleton, Lakewood, Castlerock, Morrison, & Englewood.

Click Here to Make an Appointment!
Parker CO Location:
Call (303) 400-6040 or (888) 392-7879
to learn more about our diesel emissions work and other services including winter checkups.
Littleton CO Location:
Call (303) 904-1500 to learn more
about our diesel emissions work and other services including winter checkups.