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Describe the job once and we'll match it with up to 3 diesel mechanics in Willaston.

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Diesel Mechanics in Willaston SA

7 diesel mechanics1 based here · 6 serve the area

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.

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

  1. Northern Star Diesel Service

    Diesel Mechanics

    86 Main N Rd, Willaston SA 5118

    Directions View profile

    Diesel mechanic in Willaston, SA for diesel engine servicing and repairs, plus vehicle air conditioning work.

    • Automotive Air Conditioning Services
    • Diesel engine servicing
    • Diesel engine repairs

    86 Main N RdWillaston SA 5118

    Open now · closes 12:00 am

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  2. Based nearby, serving Willaston

    These businesses aren't based in Willaston but list it as a service area.

  3. AgServeMDS

    Diesel Mechanics

    Based in Bagot Well SA · serves Willaston

    Directions View profile Serves this area

    Mobile diesel mechanic based in Bagot Well, SA, repairing diesel engines and servicing agricultural machinery on site or at the workshop.

    • On-site services
    • Agricultural machinery repairs
    • Onsite jobs

    Based in Bagot Well SAServes Willaston

    Closed · opens tomorrow 9:00 am

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  4. All Gen Solutions Pty Ltd

    Diesel Mechanics

    Based in Roseworthy SA · serves Willaston

    Directions View profile Serves this area

    Power and generator specialist in Roseworthy, SA, servicing diesel generators, solar hybrid systems and battery storage.

    • Routine Maintenance
    • Diesel generator service
    • Solar hybrid system design

    Based in Roseworthy SAServes Willaston

    Closed · opens tomorrow 7:30 am

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  5. HD Diesel Repair Services

    Diesel Mechanics, Mechanics

    Based in Gawler Belt SA · serves Willaston

    Directions View profile Serves this area

    Diesel engine repair and servicing workshop in Gawler Belt, SA, covering the Gawler, Lewiston, Lyndoch and Mallala areas.

    Based in Gawler Belt SAServes Willaston

    Open now · 24 hours

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  7. Auto Plus SA

    Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Munno Para SA · serves Willaston

    Directions View profile Serves this area

    Car servicing and repair workshop in Munno Para, SA, covering oil changes, air conditioning, electrical fault finding, diesel work and wheel alignment.

    • Oil change
    • Car air conditioning
    • Wheel alignment and balancing

    Based in Munno Para SAServes Willaston

    Closed · opens tomorrow 8:00 am

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  8. Barossa 4x4 & Outdoors

    Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Greenock SA · serves Willaston

    Directions View profile Serves this area

    Mechanical workshop in Greenock, SA, servicing the Barossa, for car servicing, diesel engine repair, air conditioning and wheel alignments.

    • Car air conditioning
    • Wheel alignment and balancing

    Based in Greenock SAServes Willaston

    Closed · opens tomorrow 8:00 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 7 on this page.

Showing 1–7 of 7 diesel mechanics · filters apply to this page only

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Tell us about the job and we'll match it with up to 3 diesel mechanics in Willaston. Your contact details go only to businesses on a paid plan here, and after you send we tell you which businesses got them. Free, no obligation.

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Choosing diesel mechanics in Willaston

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 7 diesel mechanics in Willaston SA. Listings show the services each business offers, and a rating where there is one.

What to check before you book

Getting started

  1. Describe the job. Your vehicle's make, model and year, what's wrong or what it needs, and when you need it done.
  2. Shortlist two or three. Use the filters above to narrow this page by website.
  3. Compare quotes. Or send one request and we'll match it with up to 3 diesel mechanics.
  4. 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 Willaston?

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 Willaston?

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 Willaston.

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 South Australia, ask the business which qualifications and licences apply to your job. 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.