Rocky Mountain Diesel and Auto

Rocky Mountain Diesel and Auto Full service Diesel and Automotive Repair. A/C, Brakes, Diagnostics, Diesel Injection, General Repair. Welcome to Rocky Mountain Diesel Injection Service, Inc.

of Greeley, Colorado, serving the area since 1994. We offer a full spectrum of services for Ford Powerstroke, Dodge, Cummins, and GM diesels, including: Complete Diesel Fleet Service Small engine repair Remanufactured diesel engines Performance chips Performance exhaust Exhaust brakes Warranty repairs Diesel Emission Testing (diesel only) We also offer authorized sales and servic

e on diesel fuel injection pumps, injectors and turbo chargers. We offer full service and repair of diesel pickup trucks and performance enhancements and drivability diagnostics. Take a moment to visit our website for a full listing of our services, and to learn more about us or please call us today to set up your appointment!

Last year was a blast, this year's car show will be even bigger. If you have a vehicle, you'd like to show off, consider...
04/08/2026

Last year was a blast, this year's car show will be even bigger. If you have a vehicle, you'd like to show off, consider bringing it out. The Greeley Stampede car show anticipates around 100+ contestants this year with multiple prizes for all categories.

Nissan treats their alternator "Generator" placement like they're hiding a priceless artifact 😂We got it though 💪
01/10/2026

Nissan treats their alternator "Generator" placement like they're hiding a priceless artifact 😂
We got it though 💪

Shout out to all our Veterans.We appreciate the sacrifice you and your family's make.Thank you for your service!
11/11/2025

Shout out to all our Veterans.
We appreciate the sacrifice you and your family's make.
Thank you for your service!

Come see us downtown tomorrow 10/31/25 from 4-6pm
10/30/2025

Come see us downtown tomorrow 10/31/25 from 4-6pm

07/05/2025
06/09/2025

Stop in and say hi.
We have Stampede rodeo tickets to give away!

04/23/2025

SAVE $20.00 On Air Conditioning Service and Repair.

Call, text or email us for immediate scheduling when you mention this add.

Rocky Mountain Diesel and Auto
150 E 18th Street Greeley
970 356 2672
[email protected]

04/23/2025

SAVE $20.00 on AC Service and Repair.

Call, Text or Email us for scheduling
Rocky Mountain Diesel and Auto.
150 E 18th Street-Greeley
970 356 2672
[email protected]

Immediate scheduling available if you mention this add.

Full service Diesel and Automotive Repair.
A/C, Brakes, Diagnostics, Diesel Injection, General Repair.

It's that time of year.Schedule your A/C service now.
04/15/2025

It's that time of year.
Schedule your A/C service now.

Merry Christmas, from our families to yours.
12/25/2024

Merry Christmas, from our families to yours.

Thank you all for a great year.We are grateful for you!The opportunity to know you, the conversations at the counter and...
11/28/2024

Thank you all for a great year.
We are grateful for you!
The opportunity to know you, the conversations at the counter and in the lobby.
It's been great seeing you year after year. Special shout out to those of you who's children we've seen grow up and that now visit RMD also.
Thank you all! Enjoy your Thanksgiving.
Today is for you.

Shout out to all our Veterans.Thank you for your service.
11/11/2024

Shout out to all our Veterans.
Thank you for your service.

Address

150 E 18th Street
Greeley, CO
80631

Opening Hours

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

Website

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