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

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Diesel Mechanics in Helensburgh NSW

11 diesel mechanics3 based here · 8 serve the area★ 4.7 average from 23 reviews

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.

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

  2. Helensburgh Car Services

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

    187 Parkes Street, Helensburgh NSW 2508

    Directions View profile Credentials listed Est. 1986

    Mechanic in Helensburgh, NSW for logbook servicing, brake work, auto electrical repairs and safety inspections.

    • Logbook Servicing
    • Brake Component Replacements
    • Auto Electrical Services

    187 Parkes StreetHelensburgh NSW 2508

    Closed · opens tomorrow 8:00 am

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  3. Transition Automotive

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

    203 Parkes Street, Helensburgh NSW 2508

    Directions View profile Credentials listed Est. 2012

    Mechanic in Helensburgh, NSW for logbook servicing, brake repairs, inspections and wheel alignments.

    • Logbook Servicing
    • Brake Component Replacements
    • Vehicle Specific Electronic Wheel Alignm…

    203 Parkes StreetHelensburgh NSW 2508

    Closed · opens tomorrow 8:00 am

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  4. Based nearby, serving Helensburgh

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

  5. BITR Enterprises

    Mechanics, Diesel Mechanics, 4x4, Tyres, Caravan Repairs

    Based in Berkeley NSW · serves Helensburgh

    Directions View profile Credentials listed Serves this area Est. 2015

    Truck repair shop and mobile truck mechanic in Berkeley, NSW, for truck and trailer repairs, brake and clutch work and spare parts.

    • Truck Repairs
    • Brake & Clutch Repairs
    • 24 Hour Emergency Roadside Assistance

    Based in Berkeley NSWServes Helensburgh

    Closed · opens tomorrow 7:00 am

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  6. Wollongong Auto Parts

    Mechanics, 4x4, Tyres, Diesel Mechanics

    Based in Albion Park Rail NSW · serves Helensburgh

    4.8 (13 reviews) Directions View profile Credentials listed Serves this area Est. 1976

    Parts supplier in Albion Park Rail, NSW, with new and used car and 4WD parts, engines, gearboxes and wheels.

    • Auto Wreckers
    • New & Used Engines
    • New & Used Gearboxes

    Based in Albion Park Rail NSWServes Helensburgh

    Closed · opens tomorrow 8:00 am

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  7. Practic Automotive Services

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

    Based in Corrimal NSW · serves Helensburgh

    4.5 (8 reviews) Directions View profile Credentials listed Serves this area Est. 1987

    Automotive workshop in Corrimal, NSW for logbook servicing, diesel performance tuning, brake and clutch repairs and 4WD work.

    • Brake & Clutch Servicing & Repairs
    • Diesel Performance Tuning
    • Log Book Servicing

    Based in Corrimal NSWServes Helensburgh

    Closed · opens tomorrow 8:00 am

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  8. Beb Automotive Mobile Mechanic

    Mechanics, Auto Electricians, 4x4, Diesel Mechanics

    Based in Berkeley NSW · serves Helensburgh

    5.0 (2 reviews) View profile Serves this area Est. 2023

    Mobile mechanic in Berkeley, NSW for logbook servicing, brake repairs, suspension work and vehicle diagnostics.

    • Logbook Servicing
    • Brake Servicing
    • General Diagnostics

    Based in Berkeley NSWServes Helensburgh

    Closed · opens tomorrow 8:00 am

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  9. Anderson Automotive Austinmer

    Mechanics, Tyres, Diesel Mechanics

    Based in Austinmer NSW · serves Helensburgh

    Directions View profile Serves this area Est. 2024

    Motor mechanic in Austinmer, NSW for rego inspections, brake and clutch servicing, fuel injection servicing and wheel balancing.

    • Rego Inspections
    • Brake Servicing
    • Clutch Servicing

    Based in Austinmer NSWServes Helensburgh

    Closed · opens tomorrow 9:00 am

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  10. Appin Automotive

    Mechanics, Auto Electricians, Tyres, Diesel Mechanics

    Based in Appin NSW · serves Helensburgh

    Directions View profile Serves this area Est. 2019

    Mechanic in Appin, NSW for logbook servicing, brake and clutch repairs, pink and blue slips, and wheel alignments.

    • Log Book Servicing
    • Wheel Alignments
    • Brake Repairs

    Based in Appin NSWServes Helensburgh

    Closed · opens tomorrow 8:30 am

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  11. Highlands Automotive Services

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

    Based in Douglas Park NSW · serves Helensburgh

    Directions View profile Serves this area Est. 2005

    Mechanic in Douglas Park, NSW for logbook servicing, brake and clutch repairs, tyres and wheel balancing.

    • Log Book Servicing
    • Brake & Clutch Repairs
    • Tyres & Wheel Balancing

    Based in Douglas Park NSWServes Helensburgh

    Closed · opens tomorrow 7:00 am

    Get a quote

  12. SK Mobile Mechanic

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

    Based in Heathcote NSW · serves Helensburgh

    View profile Serves this area Est. 2013

    Mobile mechanic in Heathcote, NSW for logbook servicing, brake and clutch repairs and pre-purchase inspections.

    • Logbook Servicing
    • Brake & Clutch Repairs
    • Pre-­Purchase Inspections

    Based in Heathcote NSWServes Helensburgh

    Closed · opens tomorrow 7:30 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 11 on this page.

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Tell us about the job and we'll match it with up to 3 diesel mechanics in Helensburgh. 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 Helensburgh

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 11 diesel mechanics in Helensburgh NSW. 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 rating, listed credentials and 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 Helensburgh?

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 Helensburgh?

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 Helensburgh.

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.