O'Briens Diesel & Performance

07/23/2026

From daily drivers and work trucks to race builds and weekend toys, every truck gets the same attention to detail. Whether it's diagnostics, maintenance, repairs, performance upgrades, custom tuning, or a complete build—we're here to do it right the first time.

We appreciate every customer who trusts us with their truck. Your support is what keeps us pushing to be better every single day.

If your truck needs service, more power, or a shop that takes pride in its work, give us a call.

Mississippi gulf coast #1 One stop diesel shop! Big or small we can handle it all! Our great service, top-notch expertise, and unbeatable quality make us the go to destination for all of your diesel & performance needs! Come experience the difference! Call or come by and see us!

LIGHT DUTY OR HEAVY-DUTY! O'BRIENS DIESEL & PERFORMANCE IS YOUR ONE STOP SHOP! YES, WE CAN DO INSURANCE AND WARRANTY REPAIRS! YES, WE WORK ON GAS VEHICLES AS WELL!

9500 County Farm Road
Gulfport, MS 39503

Mon-Friday 7:30am-5:00pm
Closed for lunch 12:00-1 every day.

☎️ : 228-206-7345
FOR SERVICE EMAIL
📧 : [email protected]
FOR PARTS EMAIL
📧 : [email protected]

06/12/2026

05/29/2026

We're just getting started, and the numbers keep climbing!

Mississippi gulf coast #1 One stop diesel shop! Big or small we can handle it all! Our great service, top-notch expertise, and unbeatable quality make us the go to destination for all of your diesel needs! Come experience the difference! Call or come by and see us! Check out our website obriensdiesel.com

We have worked really hard this year to stay on top of diagnostics as they come in! No more 2-3 week waits, we are averaging same day to 3 days!

LIGHT DUTY OR HEAVY-DUTY! O'BRIENS DIESEL & PERFORMANCE IS YOUR ONE STOP SHOP! YES, WE CAN DO INSURANCE AND WARRANTY REPAIRS! YES, WE WORK ON GAS VEHICLES AS WELL!

9500 County Farm Road
Gulfport, MS 39503

Mon-Friday 7:30am-5:00pm
Closed for lunch 12:00-1 every day.

☎️ : 228-206-7345
FOR SERVICE EMAIL
📧 : [email protected]
FOR PARTS EMAIL
📧 : [email protected]


See less

05/28/2026

Thursdays mean torque and horsepower. 💨
Another diesel on the rollers at O’Briens Diesel & Performance putting down the numbers it should. 🔥.
Who’s next?

05/27/2026

The Mississippi Gulf Coast #1 ONE STOP DIESEL SHOP! SCHEDULE YOUR APPOINTMENT TODAY!!!! Call or come by and see us!
228-206-7345

05/20/2026

04/27/2026

Mississippi gulf coast #1 One stop diesel shop! Big or small we can handle it all! Our great service, top-notch expertise, and unbeatable quality make us the go to destination for all of your diesel needs! Come experience the difference! Call or come by and see us! Check out our website obriensdiesel.com

We have worked really hard this year to stay on top of diagnostics as they come in! No more 2-3 week waits, we are averaging same day to 3 days!

LIGHT DUTY OR HEAVY-DUTY! O'BRIENS DIESEL & PERFORMANCE IS YOUR ONE STOP SHOP! YES, WE CAN DO INSURANCE AND WARRANTY REPAIRS! YES, WE WORK ON GAS VEHICLES AS WELL!

9500 County Farm Road
Gulfport, MS 39503

Mon-Friday 7:30am-5:00pm
Closed for lunch 12:00-1 every day.

☎️ : 228-206-7345
FOR SERVICE EMAIL
📧 : [email protected]
FOR PARTS EMAIL
📧 : [email protected]