G & J Diesel is a trusted brand that specializes in diesel engine repairs, parts, and custom builds. Serving the Billings, MT area since 1993, we have earned a reputation for providing high-quality services and exceptional customer care. Whether you're dealing with transmission troubles or in need of top-notch diesel engine parts, our experienced crew is here to help.

At G & J Diesel, we understand the unique needs of diesel truck owners. That's why we offer a wide range of services, including diesel engine repairs, DPF cleaning, and machine shop builds. If you're looking to enhance your diesel truck's performance, we can also assist you in creating a custom diesel drag truck.

You can count on our knowledgeable team to provide top-notch service and expertise. To learn more about our services or to schedule an appointment, give us a call at (406) 248-6366. Experience the G & J Diesel difference today!