Expert Service, Transparent Pricing

Mount Pleasant's Trusted Diesel & Auto Repair Shop

Experience honest, fast, and reliable automotive repair with digital inspections, same-day service, and a family-owned touch at Frontline Diesel & Auto Repair LLC.
AMSOIL logo in red, blue, and black italic lettering on a white background
BD Diesel logo in black, yellow, and gray with a diamond icon and bold text
FASS Diesel Fuel Systems logo in red, black, and white

2026

in business since

Our Services Overview

Fast, Reliable Repairs & Maintenance

Comprehensive Automotive & Diesel Solutions

Explore our wide range of repair and maintenance solutions for every vehicle type.

About Frontline Diesel & Auto Repair

Frontline Diesel & Auto Repair LLC in Mount Pleasant, MI, is your local, family-owned shop for honest and reliable automotive and diesel services. We specialize in diesel engine repair, commercial truck maintenance, and general auto care. Our technicians deliver fast, transparent service, and digital inspections are sent to your phone for complete clarity. With same-day repairs and no appointment needed, we make auto care easy and stress-free. Discover our commitment to quality and community by learning more about our story.

What Our Customers Are Saying

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Proud Partner of:

  • AMSOIL
  • FASS Diesel Fuel Systems
  • BD Diesel Performance



Premium Protection. Maximum Performance.


Collage of automotive diesel repair logos with wrenches, gears, and black background

Finance all of your adventures with

Our Trusted Partners

Car repairs don’t have to wait. With simple financing, you can split your repair costs into easy, stress-free monthly payments. Fast approvals, clear terms, and no hidden fees - so you can get back on the road with confidence today.

Shop Amenities & Comforts

Convenient Features for Stress-Free Service

Vehicles We Service

Frequently Asked Questions

Quick Answers to Common Questions
  • How do I schedule an appointment?

    You can schedule your appointment easily using our online booking tool, or call us directly during business hours. We offer flexible scheduling for your convenience.

  • What types of vehicles do you repair?
    We service cars, SUVs, pickup trucks, commercial trucks, and diesel vehicles. Our technicians are skilled in handling domestic and import models, as well as heavy-duty commercial fleets.
  • How does your digital vehicle inspection work?
    Our technicians perform a thorough inspection and send a digital report to your phone, detailing the condition of your vehicle and recommended repairs, ensuring full transparency.
  • Do you offer warranties on repairs?
    Yes, we stand behind our work with a quality repair warranty that covers parts and labor, giving you peace of mind after every visit.
  • What are your pricing policies?
    We believe in transparent pricing. You'll receive a clear estimate before any work begins, and our digital inspection lets you see exactly what needs to be addressed.

Our Locations

Mount Pleasant

3711 South Isabella Road