SC Diesel Repair & Performance

04/02/2026

Our applications got approved! We are now GOLD Certified NAPA Auto Care Centers at SC Diesel & Boonville Auto Repair!

What that means for you:

Warranty has been extended to 36 months / 36,000 miles!
We have passed all the automotive ASE tests.
We maintain a high standard of customer satisfaction & trust.
We offer financing options through the NAPA credit card.
Our buildings provide a high-quality customer experience.

03/26/2026

Put your vehicle in the care of our ASE-certified technicians, and you also get backed by NAPA's nationwide warranty. Which means your warranty is honored by 13,000 Napa AutoCare Centers in all 50 states! We're also close to becoming a Napa Gold Certified AutoCare, which will extend your warranty to 36 months / 36,000 miles!! Stay tuned for that update!

12/22/2025

We will be closed December 24th, 25th & 26th for Christmas. 🎅 🎄

05/21/2025

Vote for Clayton Schuster!

02/03/2025

Now Hiring!!!!

Experienced Diesel Mechanic Preferred. Pay depending on experience, but very competitive.

We are a busy shop that works on Diesel Pickups - Heated and Air Conditioned working area.

Health Insurance & Retirement Options available!

Stop by, give us a call, send a message or send us a resume to [email protected]!

Ask for Evan!

07/23/2024

07/13/2024

06/21/2024

Welcoming Robert Ridgeway and Ryan Wright to our team from Boonville Automotive!

Bring in your gas vehicles now and we can get those fixed up too!

Big things are happening! Life is never boring around here!

01/22/2024

We will be closed this morning due to icy roads, if conditions improve we will be open this afternoon!

01/19/2024

Tired of the factory MAP sensor limiting your boost reading? Here's the solution! Available for 6.7L Cummins. 5.9L Cummins coming soon.

Hardway 10BAR Cummins high performance MAP sensor brought to you by RIFE sensors!

Billet aluminum construction, anodized gloss black and ready to install in place of the stock MAP sensor except this one has a RIFE 10BAR MAP transducer and a RIFE IAT thermistor tucked inside!

These are intended for competition or high boost applications where precise measurement of inlet manifold pressure (boost) and inlet manifold temperature are critical. Custom tuning required, Hardway tuning customers get free MAP sensor update with purchase of sensor.

HW10B67 NOW SHIPPING!

HW10B59 PRE-ORDER NOW!-SHIPPING SOON

https://hardwayperformance.com/products/10bar-map-sensor-03-21-5-9-6-7-cummins?_pos=1&_psq=MAP+SENSOR&_ss=e&_v=1.0&variant=44230418825512

09/08/2023

Spread the word! We can now repair injection pumps, turbos and injectors for all diesel equipment and pickups!