O'Briens Diesel & Performance

06/05/2026

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]


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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]

04/07/2026

Another Mustang dialed in and running right 🔥

We just finished up tuning on this Ford Mustang and got it performing exactly how it should—more power, smoother delivery, and optimized for the road.

Whether you're looking for better throttle response, more horsepower, or a full performance setup, we’ve got you covered.

📍 O’Briens Diesel & Performance
📩 Message us to get your build scheduled