Looking for diesel repair & truck/trailer repair in Lake Mary, FL? The Auto Network lists 12 diesel & truck repair shops serving the Lake Mary area. Compare ratings and reviews, then request a free quote in seconds — no phone tag required.
Lake Mary sits in Seminole County, Florida, with a population of roughly 17,000. Drivers from Lake Mary and neighboring areas such as Heathrow, Timacuan turn to The Auto Network to find trusted local diesel & truck repair shops without the guesswork of an open-ended search.
On this page you'll find 12 diesel & truck repair shops serving Lake Mary and the surrounding area. Results lead with featured and verified businesses, then the shops closest to Lake Mary, so the most relevant local options are always at the top. Compare ratings, services, and hours side by side, then request a quote from the businesses that fit — there's no phone tag and no obligation.
Neighborhoods served in Lake Mary: Heathrow · Timacuan
Typical diesel repair near Lake Mary runs from $90 for diesel oil change to $900 for DPF cleaning / service. Estimates reviewed June 2026.
| Service | Typical range |
|---|---|
| Diesel oil change | $90 – $180 |
| Diesel diagnostic | $100 – $220 |
| Glow plug replacement | $300 – $800 |
| DPF cleaning / service | $300 – $900 |
| Injector replacement (each) | $300 – $700 |
| Trailer brake service | $150 – $500 |
Prices are regional estimates and vary by vehicle, parts, and shop. For an accurate, up-to-date estimate, request a quote directly from your selected service provider.
Diesel engines and trucks have their own service needs, so choosing a diesel repair shop in Lake Mary with the right specialization pays off. Whether you run a light-duty pickup, a heavy-duty work truck, or a trailer that needs brake and bearing service, look for a shop equipped for diesel diagnostics and emissions systems. Diesel-specific issues — turbochargers, injectors, glow plugs, fuel systems, and DPF/DEF emissions components — call for tools and experience a general shop may not have.
Emissions and aftertreatment systems are a common pain point. A good Lake Mary diesel shop can diagnose DPF regeneration problems, sensors, and DEF faults and explain your options clearly and legally. If you operate a fleet or depend on your truck for work, ask about preventive-maintenance programs, turnaround time, and whether the shop handles DOT inspections — minimizing downtime is often worth as much as the repair price itself.
Diesel work ranges from routine oil and fuel-filter service to major engine and injector jobs, so comparing estimates from the diesel & truck repair shops on this page is smart for anything significant. Describe your vehicle, mileage, and symptoms — power loss, hard starts, excess smoke, or warning lights — in your quote request so each shop can scope the job and give you an accurate estimate.