G & J Diesel

1739 Main St
Billings MT 59105
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Opening Hours

Mon - Fri 8:00 am - 5:30 pm, Sat - Sun Closed

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G & J Diesel Performance Center is a light duty diesel truck repair shop that specializes in the Dodge Cummins, Ford Powerstroke and GM Duramax trucks. With over 20 years serving Billings, MT and the surrounding communities. Our qualified technicians are factory trained and we have the latest diagnostic equipment guaranteed to get the job done right.We install and carry a large selection of quality parts from manufacturers like Garrett Turbo, Bosch, MBRP, FASS, South Bend Clutch, H & S Performance, PPE, Alliant Power, Motorcraft, BD Diesel and Industrial Injection.G & J Diesel has built some of the top trucks in the diesel industry like the DIRTYMAX and Mark Ventling's 1/4 Mile Miracle. We also built the engines for Steve Darnell's Cummins Rat Rods. These trucks have been featured in Diesel Power magazine, with additional articles in Diesel Tech, Diesel World, Hot Rod and 8 Lug magazines. The DirtyMax have also been shown on television episodes of Two Guys Garage and Super Lift.G & J Diesel is Montana's first Bosch Authorized Diesel Service Center. We are also a Garrett Turbo Authorized Dealer as well as members of ADS and SEMA.