Allegiant Diesel & Auto

Allegiant Diesel & Auto Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Allegiant Diesel & Auto, 55591 Franklin Drive, Three Rivers, MI.
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6.4L Powerstroke Injection Pump Replacement
05/28/2026

6.4L Powerstroke Injection Pump Replacement

2017 Ford F250 Platinum 6.7L Diesel- PPE Rear HD Differential Cover 1990-2025 12 Bolt. Custom powder coated to match the...
05/19/2026

2017 Ford F250 Platinum 6.7L Diesel

- PPE Rear HD Differential Cover 1990-2025 12 Bolt.

Custom powder coated to match the suspension.

2018 Dodge Ram 2500 6.7L103k miles - Timing Cover & Front Crankshaft Seal Replacement- Oil Pan Gasket Replacementallegia...
05/16/2026

2018 Dodge Ram 2500 6.7L
103k miles

- Timing Cover & Front Crankshaft Seal Replacement
- Oil Pan Gasket Replacement

[email protected]
allegiantdieselproducts.com
(269)506-6136

• 2013 Chevrolet 2500HD LML Duramax •186,000 Miles- S&S Diesel Motorsport LML CP3 Conversion Kit ⛽️ - Kryptonite Upper C...
05/15/2026

• 2013 Chevrolet 2500HD LML Duramax •
186,000 Miles

- S&S Diesel Motorsport LML CP3 Conversion Kit ⛽️
- Kryptonite Upper Control Arm Kit - 11-19 GM⚡️
- PPE Forged XR Tie Rods - 2011-2025 GM 2500/3500 Duramax

- Front Wheel Bearings & Lower Ball Joints Replaced

allegiantdieselproducts.com
[email protected]
(269)506-6136

2021 GMC Sierra 2500 AT4 HD L5P DuramaxIn the shop this week for a full vehicle inspection and service!
05/12/2026

2021 GMC Sierra 2500 AT4 HD
L5P Duramax

In the shop this week for a full vehicle inspection and service!

S363/68 Billet Non-VGT drop in turbocharger6.0 Powerstroke
05/06/2026

S363/68 Billet Non-VGT drop in turbocharger

6.0 Powerstroke

2018 Dodge Ram 3500 6.7L - Fleece Performance Coolant Bypass Kit - 13-18 RAM Cummins 6.7L- Banks Monster-Ram Intake and ...
05/05/2026

2018 Dodge Ram 3500 6.7L

- Fleece Performance Coolant Bypass Kit - 13-18 RAM Cummins 6.7L

- Banks Monster-Ram Intake and Killer Grid Heater Upgrade - 13-18 Dodge 6.7L

- FASS No Drop Series Fuel System for 2005-2018 Dodge RAM Cummins 6.7L

allegiantdieselproducts.com
[email protected]
(269)506-6136

2016 Ford F250 6.7L Diesel - Mishimoto Aluminum Primary Radiator, 11–16 Ford Powerstroke 6.7LAfter radiator installation...
05/01/2026

2016 Ford F250 6.7L Diesel

- Mishimoto Aluminum Primary Radiator, 11–16 Ford Powerstroke 6.7L

After radiator installation we removed and completely resealed the S369 Smeding Diesel turbocharger to repair an excessive oil leak in the valley.

S&S Diesel Ford 6.7L CP4 to DCR Conversion - 11-26 PowerstrokeGet scheduled today! Don't wait to find out if you are the...
04/29/2026

S&S Diesel Ford 6.7L CP4 to DCR Conversion - 11-26 Powerstroke

Get scheduled today! Don't wait to find out if you are the unlucky one...

[email protected]
allegiantdieselproducts.com
(269)506-6136

Address

55591 Franklin Drive
Three Rivers, MI
49093

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+12695066136

Website

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