man touching the front of his semi truck

Diesel Truck, RV & Performance Parts in Saint George, UT

At Southwest Diesel Service Inc., we maintain a complete up-to-date parts inventory for Caterpillar, Cummins, Freightliner and Detroit Diesel. Whether you have a Heavy Duty Tractor and Trailer or a Medium Duty Truck or even an RV we will have the parts for you. We are an Authorized Distributor for BD Products, Edge Products, Fast Coolers, KN Air Cleaner, T-Spro Gauges and a lot more for all performance modifications. Call today and ask for our parts specialist.

We Sell

And More!

Brands We Carry

  • Detroit Diesel
  • Freightliner
  • AFE
  • BD Diesel
  • Bully Dog
  • Dura-Lite
  • Edge Tuners
  • Fleetguard
  • Horton
  • Industrial Injectors
  • K&N
  • Magnaflow
  • S&B Filters
  • Smarty Tuners
  • Superchips
  • T-Spro
Authorized Dealers
white fuel trucker semi truck
Stop By Our Location Today!
For more information, stop by our location, or give us a call today to speak with one of our representatives about your Diesel, RV, and pick-up truck repairs. One of our staff members will be more than happy to assist you.