Southwest Diesel Service, Inc.
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Call Us Today (435) 414-6618
1150 E 350 N, Saint George, UT 84770 |

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 Are an Authorized Dealer For:

  • Caterpillar
  • Cummins


  • Air Intake & Filtration
  • Engine Parts
  • Exhaust
  • Exhaust Manifolds
  • Fuel Injectors
  • Gauges
  • Intake Manifolds
  • Intercoolers
  • Radiators
  • Transmissions
  • Tuners
  • Turbos
  • Accessories


  • Caterpillar
  • Cummins
  • 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

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.