Optimum Diesel Performance

Optimum Diesel Performance Optimum Diesel Is dedicated to serving our customers in repairing Cummins, Powerstroke,Duramax Engines. Contact us for your needs.

We offer everything from selling you parts to Engine Rebuilds to Fully Built Engines.

05/10/2026
900hp rated Allison 1000 , Ready to do work.
02/18/2026

900hp rated Allison 1000 , Ready to do work.

Today, on Veterans Day, we honor the brave men and women who have served, and those who continue to serve, our nation wi...
11/11/2025

Today, on Veterans Day, we honor the brave men and women who have served, and those who continue to serve, our nation with courage, dedication and sacrifice.
May your commitment to protecting our freedoms and upholding our values inspire us all. We are deeply grateful for your service, past and present. 🇺🇸❤️🤍💙🇺🇸

🇺🇸 Happy Independence Day! 🇺🇸 This 4th of July, we salute the hard-working people and strong values that keep America ru...
07/04/2025

🇺🇸 Happy Independence Day! 🇺🇸
This 4th of July, we salute the hard-working people and strong values that keep America running Strong.
🎆From our Team at Optimum Diesel Performance, we wish you and your family a wonderful 4th of July weekend. Stay Safe

We will be closed today and reopen Monday, July 7th.

05/24/2025
Wishing everyone a Safe and Blessed New Year!
01/01/2025

Wishing everyone a Safe and Blessed New Year!

Address

1180 Old Stage Road
Greeneville, TN
37745

Opening Hours

Monday 9am - 5:30pm
Tuesday 9am - 5:30pm
Wednesday 9am - 5:30pm
Thursday 9am - 5:30pm
Friday 9am - 5:30pm

Telephone

+14233290029

Website

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