On Site Diesel Repair

Diesel Engine Repair in Sanger, Texas

4.7 (15)

CategoryDiesel Engine Repair
Address9955 Field Lark Ln, Sanger, TX 76266
StreetField Lark Lane
AreaSanger, Texas
Phone(940) 999-7477
Google rating 4.7 (15)
SourceGoogle Maps and public records Β· listed Oct 2, 2026 Β· updated Oct 3, 2026

Hours

MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours

About On Site Diesel Repair

Mobile diesel repair, OEM dealer level diagnostic services for cummins, caterpillar, detroit, international, wabco, roadranger,..... allison. Emergency roadside assistance, preventative maintenance, general repair... to performance upgrades. Ac work Oil change Alignment Injector Diagnosis/replacement Turbo replacement Radiator replacement Intercooler testing Diagnostic testing Prepurchase Inspections Clutch Replacement Brake chamber repair brake jobs... Driveline Re

On Site Diesel Repair is one of the diesel engine repair listed in Sanger, Texas. The business is registered at 9955 Field Lark Ln, Sanger, TX 76266; use this page to check its hours, phone number and Google rating before you make the trip.

The business lists hours on 7 days of the week. On most of those days it is open Open 24 hours. As with most places, expect changes around holidays; the phone number below is the fastest way to confirm. The listed phone number is (940) 999-7477. Many businesses also reply to text messages on the same number if it is a cell phone. More information is available on its website, onsitedieselrepairntx.com.

On Google it holds a rating of 4.7 out of 5 from 15 reviews.

Before you go

  • Check your vehicle for open safety recalls on NHTSA.gov; recall repairs are free at a franchised dealer.
  • Ask for a written estimate before work starts and to approve any extra repairs first.
  • Ask whether technicians are ASE-certified and what warranty covers parts and labor.

Latest Google reviews

The 5 most recent reviews shown on Google Maps. Reviews belong to their authors; read all of them on Google.

Aaron Evans 4 months ago

I only had a phone call, but he was honest and told me all costs up front. He was knowledgeable and has experience! I didn’t use your services, but you were very helpful and I appreciated it, so I decided to thank you with an honest review!

Ian Zivrev 7 months ago

Beau is very good mechanic, he answered my call at 5 AM while everyone sleeps and was able to get the part first thing in the morning and to fix my truck by 7:45AM. Do not hesitate to call him any time he is the guy who will help you out!!!

David Idrogo a year ago

Beau was a very helpful mechanic yesterday. He did the repair and went out 30 miles to get the part that was needed. He called multiple places to try and get the best price available. He was polite and professional and gave me some extra information on my truck and possible repairs in the future. Thank you once again.

Matthew Tillmann a year ago

I can’t say enough good things about Beau and the team at On-Site Diesel Repair. If you’re looking for a reliable mobile diesel mechanic who shows up on time, communicates clearly, and gets the job done right the first timeβ€”this is the company to call. Beau has worked on several of our trucks and has saved us from serious downtime more than once. Whether it’s a last-minute breakdown repair, routine fleet maintenance, or troubleshooting a more complex issue, he’s consistently professional, honest, and efficient. We’ve dealt with plenty of mechanics over the years, but none have provided this level of on-site service and expertise. It’s a huge relief knowing we’ve got someone we can count on when something goes wrong. Highly recommend On-Site Diesel Repair to any business that depends on keeping their vehicles on the road.

Colin McInerney a year ago

Beau with On-Site Diesel Repair is hands down the best diesel mechanic in the business. Honest, fair pricing and he will always go above and beyond to make sure that his clients are taken care of and are back on the road again in no time. Whether it’s preventative maintenance, a consult or a major mechanical issue that pops up, you’d be wasting your money by going with any other mechanic. Highly recommend this company!!

All reviews on Google β†—

Frequently asked questions

Where is On Site Diesel Repair located?

On Site Diesel Repair is at 9955 Field Lark Ln, Sanger, TX 76266, in Sanger, Texas. Use the β€œOpen in Google Maps” button on this page for directions.

What kind of business is On Site Diesel Repair?

On Site Diesel Repair is listed as a diesel repair shop.

What are the hours of On Site Diesel Repair?

Published hours are Monday: Open 24 hours; Tuesday: Open 24 hours; Wednesday: Open 24 hours; Thursday: Open 24 hours; Friday: Open 24 hours; Saturday: Open 24 hours; Sunday: Open 24 hours. Hours can change on holidays, so call before a special trip.

Is On Site Diesel Repair open on Sunday?

Yes, on Sunday it is open Open 24 hours.

What is the phone number of On Site Diesel Repair?

You can call On Site Diesel Repair at (940) 999-7477.

How is On Site Diesel Repair rated on Google?

On Site Diesel Repair has a Google rating of 4.7 out of 5 from 15 reviews.

Does On Site Diesel Repair have a website?

Yes, the website of On Site Diesel Repair is onsitedieselrepairntx.com (linked on this page).

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