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Diesel Repair in Hattiesburg MS2018-10-28T17:14:54-04:00

Diesel Engine Repair & Performance

Conveniently Located in Hattiesburg MS

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Call 601-475-4988

Reliable, Trusted Diesel Engine Repair in Hattiesburg MS

When it comes to Diesel Repair, we got you covered. Whether you’re looking to get back on the street or on the track, our certified mechanics will get you back on the road in no time. Light, Medium and Heavy duty diesel repair, we can handle it all!

TSI also performs Transmission Rebuilds!  Need to modify your transmission to handle the horsepower, tire size or performance needs of your truck? Whether you need a minor adjustment or complete overhaul, let our skilled mechanics help with all your transmission needs.

  • Injector Replacement

  • Headers

  • DPF

  • Complete Rebuilds

  • External Part Replacements

  • Head Work

  • Transmission Rebuilds

  • And Everything In-Between

Get Started
Call 601-475-4988
diesel repair

The Best of the Best on the Mississippi Gulf Coast

At TSI Diesel Worx, we pride ourselves on being the best of the best. Our certified and highly skilled mechanics can handle any diesel repair in Hattiesburg MS. Whether you’re coming in for repairs, modifications, or upgrades we’ve got you covered!

In addition to repairs, TSI is also your one stop shop for Diesel Performance and Computer tuning. SCT, EZ Lynk, Bully Dog, Super Chip, and Banks can all be found right here in our shop!

  • Diesel Engine Repair

  • Turbos

  • Delete Kits

  • Tuning

  • In-Shop Repair

  • Exhausts

  • Cold Air Intakes

  • Fuel Systems

  • Transmissions

  • And So Much More!

Contact Us
Call 601-475-4988

Customer Reviews

I MEPS
I MEPS
20:38 26 Apr 18
Experienced some issues with our rv while traveling through the area. The shop took us in without an appointment, repaired the problems promptly, and got us back on the road.
Seaghan Newberry
Seaghan Newberry
19:27 12 Sep 17
these guys are very knowledgeable and know diesels they saved me big time when another shop in hattiesburg didnt know there heads from there feet
Jeff Hodge
Jeff Hodge
17:47 06 Aug 17
Great place with employees that are willing to bend over backwards to help the Customer. If you ever need service and are in the Hattiesburg area I highly recommend TSI.
Contact Us
Call 601-475-4988

Your Trusted Diesel Repair and Transmission Rebuild Team of The Mississippi Gulf Coast

Get Started

Contact Us

Call 601-475-4988

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601-475-4988