Looking for diesel repair & truck/trailer repair in Lake Mary, FL? The Auto Network lists 107 diesel & truck repair shops serving the Lake Mary area. Compare ratings and reviews, then request a free quote in seconds — no phone tag required.
Updated November 1, 2026: shops, driver requests and prices are live from The Auto Network.
Get free quotes for diesel repair & truck/trailer repair in Lake Mary
Typical diesel repair & truck/trailer repair in Lake Mary, FL runs $90–$900.
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Top-rated diesel & truck repair shops near Lake Mary
107shops found
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Top 30 shops near Lake Mary
Sorted by: Featured › Answers requests › Verified › Local
About Diesel Repair & Truck/Trailer Repair in Lake Mary, FL
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 107 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
Areas served near Lake Mary
Sanford · Lake Monroe · Longwood · Winter Springs · Fern Park · Altamonte Springs · Oviedo · Eatonville · Deltona · Orlando · Winter Park
Typical diesel repair pricing near Lake Mary
Typical diesel repair near Lake Mary runs from $90 for diesel oil change to $900 for DPF cleaning / service. Estimates reviewed October 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.
How to choose diesel & truck repair shops in Lake Mary
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.
Signs it’s time
Hard starts, or white or black smoke.
Loss of power, regeneration problems or DEF warnings.
An engine light with emissions-system codes.
Questions to ask before you book
Do you work on my engine and on commercial trucks and trailers?
Do you offer road service?
What is the diagnostic fee, and is it credited toward the repair?
How long will parts take?
What moves the price
Emissions parts (DPF, EGR, DEF systems) are expensive.
Labor time to reach parts on heavy trucks.
Road-service call-out fees.
How long it usually takes
Diagnosis: often the same day.
Emissions-system work: one to three days.
Major engine work: a week or more.
Frequently Asked Questions
How much does diesel repair cost in Lake Mary, FL?
Diesel service ranges from routine oil and fuel-filter changes to major injector or turbo work, so cost varies a lot. Compare estimates from Lake Mary, FL diesel specialists, and describe your truck and symptoms for an accurate quote.
Do I need a diesel specialist instead of a regular shop?
For diesel-specific systems — turbos, injectors, glow plugs, fuel systems, and DPF/DEF emissions — a Lake Mary diesel specialist has the right tools and experience a general shop may lack.
Can a shop fix DPF and emissions problems?
Yes — a qualified Lake Mary diesel shop can diagnose DPF regeneration, sensor, and DEF faults and explain your legal options clearly. Describe any warning lights in your quote request.
Do diesel shops service fleets and trailers?
Many do, including preventive maintenance, DOT inspections, and trailer brake and bearing service. If uptime matters, ask the diesel & truck repair shops on this page about scheduling and turnaround.
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