Simmons Diesel Performance, LLC

Call Directions Website Contact the business

Simmons Diesel Performance, LLC Specializing in light duty diesel pickups, all repairs minor to major. We also carry our own line of upgraded transmissions.

We offer complete diagnostics, fuel system repairs & upgrades, engine repairs, electrical, HVAC, driveline, steering, and suspension service, and upgraded transmissions. Located in Barnesville, Georgia we at Simmons Diesel Performance, LLC specialize in all Ford, Dodge/Ram, and Chevrolet diesel trucks up to a 5500 series. all built in house for any of your needs. We take pride in our customer service as well as the quality and precision of our work. We are very meticulous, we work on just a couple of vehicles at a time so that the job is never rushed, this way we are able to guarantee every job is done accurately and even the tiniest bit of detail is paid attention too and never overlooked. We design and build all specialty components in house and do the work ourselves from start to finish. All items that we construct are designed with Solid Works CAD program to assure the most precise fitment and assembly. The machining, engine &, transmission builds, fabrication and certified welding is also completed in our shop to guarantee our work is done in the most accurate way. Due to the detail and time we spend on our jobs we are not always able to answer the phone. Please call 470-592-2268 If no answer leave us a detailed message with your name, contact number, reason for your call, and all of your vehicle information such as: make, model, year. You can also email us [email protected]. We thank you for your patience and will be in touch with you as soon as possible!

10/08/2026

Nothing like a caramel milkshake after lunch!

One-day turnaround for these OTR boys!We got this truck in, got the work knocked out, and had it back on the road in jus...
10/06/2026

One-day turnaround for these OTR boys!
We got this truck in, got the work knocked out, and had it back on the road in just one day. They were more than happy to have their truck back so quickly!

Proper maintenance is just a recommendation... This is not the "hour glass" figure you're looking for! 🤟
10/02/2026

Proper maintenance is just a recommendation...
This is not the "hour glass" figure you're looking for! 🤟

Ram season is in full motion. We are loaded down with Cummins power this week.
09/24/2026

Ram season is in full motion. We are loaded down with Cummins power this week.

Nothing better than a fresh set of shoes on the Cummins
09/23/2026

Nothing better than a fresh set of shoes on the Cummins

This little plug right here can fix that nuisance low coolant code and reduced power message on your Nissan Titan XD in ...
09/14/2026

This little plug right here can fix that nuisance low coolant code and reduced power message on your Nissan Titan XD in just a few minutes! This one just so happens to breathe a little better too👀👀🤟

Last minute actuator replacement on this 5th Gen before the weekend!
09/11/2026

Last minute actuator replacement on this 5th Gen before the weekend!

A sad sad day for this customer and his 6.0 Powerstroke. Once we threw in a test IPR valve to run and adress the transmi...
09/10/2026

A sad sad day for this customer and his 6.0 Powerstroke. Once we threw in a test IPR valve to run and adress the transmission issues before hpop replacement, a bad vibration and noise in the bell housing turns out to be a bent crank.

#6.0

Address

107 Yatesville Road
Barnesville, GA
30204

Opening Hours

Monday 8am - 11:59am
1pm - 5pm
Tuesday 8am - 11:59am
1pm - 5pm
Wednesday 8am - 11:59am
1pm - 5pm
Thursday 8am - 11:59am
1pm - 5pm
Friday 8am - 11:59am
1pm - 5pm

Telephone

+14705922268

Website

Alerts

Be the first to know and let us send you an email when Simmons Diesel Performance, LLC posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Simmons Diesel Performance, LLC:

Shortcuts

Share

Category