Service & Installation

Dmaxstore has you covered. From basic routine maintenance,  complete engine / transmission builds to steering and suspension replacements or upgrades. All payment methods gladly accepted, we can even handle your  extended warranty and insurance claims.




6693 Merchandise Way,

Diamond Springs, CA. 95619



8am To 5pm




Toll Free: (877)4MY-DMAX

Local:        (530)622-5630

E-mail:       [email protected]



No charge basic diagnostics and estimates to all customers, we are here to help. Whether you are going to make the repair yourself or prefer to have us handle it we want to see you.

Fuel system, engine, transmission, differentials, turbos, cylinder heads, electrical, steering, suspension, towing, brakes, cooling etc….



 Excellent installation is always available on any aftermarket or OE part. We have been exclusively serving the Duramax diesel powered 2500 – 3500 trucks since they first hit the market in 2001.   Our service department has been hand selected and has the highest levels of GM training and ASE certifications. 

Need a custom built motor, stage 5 Allison trans, EFI live tuning or maybe a wicked set of twin turbos? Dmaxstore can help you select the right parts and get them installed.



Standard scheduled maintenance is quick and convenient at Dmaxstore.  All parts and fluids are always in stock. We will keep your factory or extended warranty in compliance and up to date. Call or email to schedule your appointment today.