Duramax Service Center

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Duramax Service Center Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Duramax Service Center, Automotive repair centre, 6693 Merchandise Way, Diamond Springs, CA.

DSC - Duramax Service Center
From basic routine maintenance, complete engine / transmission builds to steering and suspension replacements or upgrades we have you covered.

10/22/2026

Your Duramax deserves more than just a quick fix.

From routine maintenance to major repairs and upgrades, our team puts in the work to keep your Duramax running at its best.

Need some work done in your truck? Give us a call and get on the schedule.

10/14/2026

Another cool customer build coming through the shop! This L5P is equipped with the McGaughy’s Suspension 4” lift and 37” tires. This is the best way to clear 37’s and maintain good ride quality.

For all of your Duramax needs call Duramax Service Center.

09/30/2026

You don’t see em this clean very often.
This LBZ Duramax rolled into the Service Center with just over 100k original miles. We got this one a new water pump and back on the road where it belongs.

With GMT800s only getting more popular, finding a clean, low mile example like this is getting harder and harder.

Exhaust leaks on the L5P motors are a common issue here at the shop. We use the DmaxStore L5P manifold stud kit and gask...
09/10/2026

Exhaust leaks on the L5P motors are a common issue here at the shop. We use the DmaxStore L5P manifold stud kit and gaskets to ensure a proper seal once this job is done.

For all of your Duramax Service needs call us 530-622-5630

Need more range without hauling fuel cans around?We recently installed a Titan Travel Trekker 50-Gallon Auxiliary Fuel T...
06/23/2026

Need more range without hauling fuel cans around?
We recently installed a Titan Travel Trekker 50-Gallon Auxiliary Fuel Tank on this GMC.

✔️ Adds 50 gallons of extra diesel capacity
✔️ Automatic fuel transfer system
✔️ Fits under most tonneau covers
✔️ Maintains valuable bed space

Whether you’re pulling a trailer across the state or just tired of hunting for fuel stations, an auxiliary tank is one of the best upgrades you can make to your truck.

If you’re interested in a Titan Tank or other fuel system upgrades, give us a call and we’ll help you find the right setup for your truck.

This LBZ came into Duramax Service Center for an inspection and some maintenance, but after getting it up in the air we ...
05/12/2026

This LBZ came into Duramax Service Center for an inspection and some maintenance, but after getting it up in the air we found some original parts that have been holding strong for over 10 years. Always cool seeing parts that have actually stood the test of time.

To freshen up the front end, we added a steering gearbox along with new Kryptonite pitman arm and UCAs. Now this truck is running a complete Kryptonite front end setup and ready for plenty more miles.

That’s the difference when companies build parts to last.

What do you guys think happened on this LB7?
04/30/2026

What do you guys think happened on this LB7?

04/06/2026

Step-by-step install on the Ram Air Intake for the L5P.

More airflow, better throttle response, and CARB-legal; this is one of the easiest upgrades you can make to wake your truck up without sacrificing reliability.

If you want more out of your turbo without going down a rabbit hole, this is it.

📞 530-622-5630

100k miles on a 2.8L Duramax means one thing…Timing belt service.Skip it and you’re gambling the entire engine.This Colo...
03/09/2026

100k miles on a 2.8L Duramax means one thing…

Timing belt service.

Skip it and you’re gambling the entire engine.

This Colorado is getting the full service, belt, water pump, tensioner and seals, so it’s ready for the next 100k.

📞 530-622-5630

This customer upgraded to the new Stage 3 Leveling Kit paired with 2.5 Performance HTO shocks for a smooth, controlled...
08/14/2025

This customer upgraded to the new Stage 3 Leveling Kit paired with 2.5 Performance HTO shocks for a smooth, controlled ride. One of the most critical upgrades in any leveling kit is replacing the factory upper control arms. OEM arms are flat and can bottom out on the frame perch, creating unnecessary stress on the ball joint and arm—sometimes leading to complete failure and leaving you stranded.

Kryptonite control arms are engineered with added droop travel to match the increased range of a leveling kit, eliminating frame perch contact when installed correctly and delivering reliable, long-term performance.

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To schedule your service call us today!
530-622-5630
Follow to stay up to date on all the trucks we are working on in the shop.

Address

6693 Merchandise Way
Diamond Springs, CA
95619

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+15306225630

Website

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