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Diesel Mechanics in Thornton NSW

About these results

Based here first, then diesel mechanics by rating, then related trades.

A business is Featured only when it holds our Featured plan; Featured is a listing plan, not a rating.

24 diesel mechanics based in or serving Thornton; listings updated 7 Oct 2026.

Coretuned

Diesel Mechanics, 4x4

1/93 Glenwood Dr, Thornton NSW 2322
Directions View profile Est. 2022

Performance workshop in Thornton, NSW for custom dyno tuning, diesel tuning, turbocharging and supercharging.
- Custom Dyno Tuning of EFI systems
- Turbocharging
- Diesel Tuning
1/93 Glenwood DrThornton NSW 2322

Closed · opens 8:00 am

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Based nearby, serving Thornton

These businesses aren't based in Thornton but list it as a service area.
North Coast Heavy Diesel

Mechanics, Diesel Mechanics, Auto Electricians, 4x4, Tyres

Based in Thrumster NSW · serves Thornton
5.0 (12 reviews) View profile Credentials listed Serves this area Est. 2025

Mobile diesel mechanic in Thrumster, NSW servicing heavy vehicles, plant machinery and light vehicles, with auto electrical repairs and tyre work.
- Heavy Vehicle Servicing
- Heavy Vehicle Repairs
- Auto Electrical Repairs
Based in Thrumster NSWServes Thornton

Open now · 24 hours

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Heavy Diesel Specialists

Diesel Mechanics, Mechanics, Auto Electricians

Based in Rutherford NSW · serves Thornton
4.0 (1 reviews) Directions View profile Credentials listed Serves this area Est. 2013

Diesel mechanics in Rutherford, NSW for truck and trailer repairs, hydraulic diagnostics and diesel engine work.
- Truck & trailer repairs
- Hydraulic diagnostics & repairs
- Diesel engine diagnostics & repairs
Based in Rutherford NSWServes Thornton

Open now · 24 hours

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Hunter Valley Heavy Maintenance

4x4, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
Directions View profile Serves this area Est. 2018

Heavy machinery repair and maintenance in Beresfield, NSW, servicing earthmoving and mining plant, trucks and excavators on site.
- Heavy Machinery Maintenance
- Plant Repairs
- Excavators Servicing
Based in Beresfield NSWServes Thornton

Open now · 24 hours

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Cummins

Diesel Mechanics

Based in Hexham NSW · serves Thornton
Directions View profile Serves this area Est. 1919

Cummins in Hexham, NSW supplies diesel engines and provides generator servicing, field service and planned maintenance.
- Diesel Engines
- Generator Service
- Planned Maintenance
Based in Hexham NSWServes Thornton

Closed · opens 7:00 am

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JMS Mechanical

Diesel Mechanics

Based in Raymond Terrace NSW · serves Thornton

View profile Serves this area

Based in Raymond Terrace NSWServes Thornton

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Motto Farm Auto Repairs

Mechanics, Auto Electricians, Diesel Mechanics

Based in Heatherbrae NSW · serves Thornton
4.9 (7 reviews) Directions View profile Serves this area Est. 2007

Mechanic in Heatherbrae, NSW for general servicing, rego checks, mechanical repairs and auto air-conditioning.
- General servicing
- Rego checks
- Auto air-conditioning
Based in Heatherbrae NSWServes Thornton

Closed · opens 8:00 am

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MC Automotive Service & Repairs

Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

Based in East Maitland NSW · serves Thornton
5.0 (4 reviews) Directions View profile Credentials listed Serves this area Est. 2021

Mechanic in East Maitland, NSW for logbook servicing, European car repairs, brake repairs and rego checks.
- European Car Repairs
- Logbook Servicing
- Brake Repairs
Based in East Maitland NSWServes Thornton

Closed · opens 8:00 am

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Bartlett Automotive

Mechanics, Auto Electricians, 4x4, Diesel Mechanics

Based in Raymond Terrace NSW · serves Thornton
5.0 (3 reviews) Directions View profile Credentials listed Serves this area Est. 2013

Mechanic in Raymond Terrace, NSW for logbook servicing, brake and clutch repairs, and steering and suspension work.
- Logbook Servicing
- Brake & Clutch Repairs
- Steering & Suspension Repairs
Based in Raymond Terrace NSWServes Thornton

Closed · opens 7:30 am

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First Choice Automotive Parts Maitland

Mechanics, 4x4, Diesel Mechanics

Based in East Maitland NSW · serves Thornton
5.0 (1 reviews) Directions View profile Credentials listed Serves this area Est. 1999

Auto parts store in East Maitland, NSW, supplying clutches, brakes, steering and suspension parts, plus brake machining and hose manufacturing.
- EXEDY clutch
- Flywheel machining
- Brake hose manufacturing
Based in East Maitland NSWServes Thornton

Closed · opens 8:00 am

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AutoCool Air Conditioning and Mechanical

Auto Electricians, Mechanics, Tyres, Diesel Mechanics

Based in Raymond Terrace NSW · serves Thornton
4.0 (2 reviews) Directions View profile Credentials listed Serves this area Est. 1991

Auto air conditioning and mechanical workshop in Raymond Terrace, NSW, handling aircon repairs and regassing, radiators, exhausts and diagnostics.
- Sales, repairs, service & installation o…
- Air conditioning re-gassing
- Mechanical/electrical diagnostics
Based in Raymond Terrace NSWServes Thornton

Closed · opens 7:00 am

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Jackson Plant and Transport Repairs Beresfield

Auto Electricians, Mechanics, 4x4, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
4.0 (2 reviews) Directions View profile Serves this area Est. 2013

Workshop in Beresfield, NSW for truck and trailer repairs, auto electrical work and diesel and plant repairs.
- Truck & Trailer Service & Repairs
- Auto Electrical Repairs
- Diesel & Plant Repairs
Based in Beresfield NSWServes Thornton

Closed · opens 8:00 am

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Cannon Automotive Services

Mechanics, 4x4, Tyres, Diesel Mechanics

Based in East Maitland NSW · serves Thornton
3.8 (4 reviews) Directions View profile Serves this area Est. 1969

Mechanic in East Maitland, NSW for logbook servicing, brake and clutch repairs, diesel repairs and pink and blue slip inspections.
- Logbook Servicing
- Brake & Clutch Repairs
- Wheel Balance & Alignment
Based in East Maitland NSWServes Thornton

Closed · opens 8:00 am

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ACM Auto Parts

Diesel Mechanics

Based in Beresfield NSW · serves Thornton
1.0 (1 reviews) Directions View profile Serves this area Est. 2013
- Motor Vehicle Company
- Automotive Parts Store
- Mechanics
Based in Beresfield NSWServes Thornton

Closed · opens 8:00 am

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Rowe Automotive Services

Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

Based in East Maitland NSW · serves Thornton
Directions View profile Credentials listed Serves this area Est. 2013

Mechanic in East Maitland, NSW for logbook servicing, brake repairs, suspension repairs and vehicle diagnostics.
- Logbook Servicing
- Brake Repairs
- Suspension Repairs
Based in East Maitland NSWServes Thornton

Closed · opens 8:00 am

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Full Throttle Custom Garage

Mechanics, 4x4, Panel Beaters, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
Directions View profile Serves this area Est. 2018

Custom garage in Beresfield, NSW for dyno tuning, engine performance upgrades, brake and suspension repairs, restorations and custom fabrication.
- Dyno Tuning
- Engine Performance Upgrades
- Brake Repairs
Based in Beresfield NSWServes Thornton

Closed · opens 8:00 am

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Gilbert & Roach Trucks Newcastle

Mechanics, Diesel Mechanics

Based in Hexham NSW · serves Thornton
Directions View profile Serves this area

Truck and bus repairer in Hexham, NSW, also selling new and used trucks, equipment and parts.
- Truck and bus repairs
Based in Hexham NSWServes Thornton

Closed · opens 7:30 am

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Lube Mobile Beresfield

Mechanics, Auto Electricians, Tyres, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
Directions View profile Credentials listed Serves this area Est. 1982

Mobile mechanic in Beresfield, NSW for logbook servicing, brake pads, batteries and tyres, coming to your vehicle.
- Mobile Car Mechanic
- Log Book Service
- Brake Pads Replacement
Based in Beresfield NSWServes Thornton

Closed · opens 8:00 am

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Multispares Newcastle

Auto Electricians, Mechanics, 4x4, Diesel Mechanics, Caravan Repairs

Based in Beresfield NSW · serves Thornton
Directions View profile Serves this area Est. 2000

Parts supplier in Beresfield, NSW for truck parts, clutch, suspension and brake components.
- Truck parts
- Clutch
- Suspension
Based in Beresfield NSWServes Thornton

Closed · opens 7:30 am

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Pacific Truck Repairs

Mechanics, Diesel Mechanics

Based in Seaham NSW · serves Thornton
View profile Serves this area Est. 2016

Mobile truck and trailer repairer based in Seaham, NSW, servicing Newcastle and the Hunter Valley.
- Mobile truck mechanics
- Mobile diesel mechanics
- Truck repairs
Based in Seaham NSWServes Thornton

Open now · 24 hours

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Quiptech Group Pty Ltd

Mechanics, Diesel Mechanics

Based in Heatherbrae NSW · serves Thornton
Directions View profile Serves this area

Truck body builder in Heatherbrae, NSW, making tipper and tray bodies, doing chassis work, repairs and custom modifications.
- Oil change
- Truck and bus repairs
Based in Heatherbrae NSWServes Thornton

Closed · opens 7:30 am

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Torqit

Mechanics, 4x4, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
Directions View profile Credentials listed Serves this area Est. 1980

Performance parts and 4x4 upgrades in Beresfield, NSW, covering ECU remapping, exhausts and engine performance work.
- ECU Remapping
- 4WD Performance Upgrades
- Performance Exhaust Installation Services
Based in Beresfield NSWServes Thornton

Closed · opens 8:00 am

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Truck & Fleet Parts Pty Ltd

Mechanics, Diesel Mechanics

Based in Hexham NSW · serves Thornton
Directions View profile Serves this area

Truck and fleet parts supplier in Hexham, NSW, stocking truck and trailer parts and accessories, including genuine and aftermarket components.
- Truck and trailer parts
- Hard-to-find parts
- Genuine or aftermarket parts
Based in Hexham NSWServes Thornton

Closed · opens 8:00 am

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Trucksmart

Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics

Based in Beresfield NSW · serves Thornton
Directions View profile Credentials listed Serves this area Est. 1992

Truck workshop in Beresfield, NSW for truck servicing, mechanical repairs, rego inspections and auto electrical work.
- Mechanical Repairs
- Truck Servicing
- Rego Inspections
Based in Beresfield NSWServes Thornton

Closed · opens 6:00 am

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No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 24 on this page.

Choosing diesel mechanics in Thornton

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 24 diesel mechanics in Thornton NSW. Listings show the services each business offers, and a rating where there is one.

What to check before you book

Licences and accreditationsAsk which licence your job needs (it depends on the job and your state) and check the number with the body that issued it. Ask how your vehicle is insured while it's in their care.

Reviews and past workRead recent reviews and ask whether they often do jobs like yours, such as diesel servicing or injector repairs.

A written quoteGet an itemised quote for parts and labour, and ask to be called before any extra work is done.

Local and availableA business based in or serving Thornton is easier to get to, and easier to go back to if something needs another look.

Getting started

Describe the job. Your vehicle's make, model and year, what's wrong or what it needs, and when you need it done.

Shortlist two or three. Use the filters above to narrow this page by rating, listed credentials and website.

Compare quotes. Or send one request and we'll match it with up to 3 diesel mechanics.

Agree in writing. Confirm the price, what's included and when the vehicle will be ready before work begins.

Frequently asked questions

How do I choose between diesel mechanics in Thornton?

Compare two or three. Ask whether they work on your make, and on light vehicles, trucks or machinery, whether they can come to you, and for a written quote for parts and labour. A business that is owner verified on Mechanics Directory has confirmed it runs the listing.

How much does a diesel service cost in Thornton?

It depends on the vehicle or machine, the oil and filters it takes, and whether the injectors, turbo or DPF need work. Asking two or three local diesel mechanics for a written quote is the quickest way to see the going rate in Thornton.

Do diesel mechanics need to be licensed?

Licensing depends on the work and the state. Modifications such as GVM upgrades need certifying under your state's rules, and outside Western Australia and the Northern Territory, modifications to heavy vehicles over 4.5 tonnes are regulated by the National Heavy Vehicle Regulator. In New South Wales, a business that repairs vehicles needs a motor vehicle repairer licence from NSW Fair Trading, and the people doing the work generally need a tradesperson certificate (some minor work is exempt). You can check a licence on the NSW Government's online licence check. In New South Wales, autogas (LPG) work is regulated under the Gas and Electricity (Consumer Safety) Regulation 2018; ask for the autogas licence. Listings marked "Credentials listed" show a licence, accreditation or membership on the business's profile. We don't check it, so confirm it with whoever issued it.

What is DPF cleaning?

A diesel particulate filter (DPF) traps soot from the exhaust and burns it off on longer runs at highway speed. Lots of short trips can stop that happening, so the filter blocks and a warning light comes on. A diesel mechanic can check the filter and clean it or run a forced regeneration.

What does "serves this area" mean?

Some businesses are based in a nearby suburb but cover this area, including mobile mechanics and towing services that come to you. On suburb pages we list businesses based in the suburb first, then the ones that say they serve it.

How do free quotes work?

Tell us about the job once. We match your request with up to 3 diesel mechanics near you. A business on a paid plan here gets it with your name and contact details and can contact you directly. A business on the free plan sees the job and your suburb but not your details, so it can't contact you unless it upgrades. A business that hasn't claimed its listing sees your request only once it claims. After you send, we tell you which applies to each business. It's free and there's no obligation.

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Diesel Mechanics in Thornton NSW

About these results

Based nearby, serving Thornton

Diesel Mechanics in nearby suburbs

Other trades in Thornton

Search a wider area

Not sure which diesel mechanic to call?

Choosing diesel mechanics in Thornton

What to check before you book

Getting started

Frequently asked questions