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

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Diesel Mechanics in Fern Bay NSW

10 diesel mechanics★ 4.5 average from 34 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.

10 diesel mechanics based in or serving Fern Bay; listings updated 7 Oct 2026.

  1. Based nearby, serving Fern Bay

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

  3. Adam's Auto Fix

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

    Based in Medowie NSW · serves Fern Bay

    5.0 (11 reviews) Directions View profile Credentials listed Serves this area Est. 2005

    Mechanic in Medowie, NSW for logbook servicing, brake repairs, roadworthy inspections and tyre work.

    • Log Book Servicing
    • Brake Repairs
    • Roadworthy Inspections

    Based in Medowie NSWServes Fern Bay

    Closed · opens 8:00 am

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  4. A & B Automotive Specialists

    Mechanics, 4x4, Tyres, Diesel Mechanics

    Based in Salamander Bay NSW · serves Fern Bay

    5.0 (5 reviews) Directions View profile Credentials listed Serves this area Est. 2023

    Mechanic in Salamander Bay, NSW for logbook servicing, brake and clutch repairs, diagnostics and wheel alignment.

    • Wheel Alignment
    • Logbook Servicing
    • Brake Repairs

    Based in Salamander Bay NSWServes Fern Bay

    Closed · opens 8:00 am

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  5. Johnston Plant & Heavy Vehicle Repairs

    Mechanics, Diesel Mechanics

    Based in Medowie NSW · serves Fern Bay

    5.0 (2 reviews) View profile Serves this area Est. 2018

    Mobile diesel mechanic in Medowie, NSW, servicing plant and heavy vehicles on site across the Port Stephens and Hunter areas.

    • Mobile Diesel Mechanic Servicing
    • Mobile mechanic
    • Diesel servicing and repairs

    Based in Medowie NSWServes Fern Bay

    Closed · opens 6:00 am

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  6. Anna Bay Mechanical

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

    Based in Anna Bay NSW · serves Fern Bay

    5.0 (1 reviews) Directions View profile Credentials listed Serves this area Est. 2017

    Mechanical workshop in Anna Bay, NSW for logbook servicing, brake and clutch work, tyres, suspension and rego checks.

    • Rego checks
    • Brake service
    • New car logbook servicing

    Based in Anna Bay NSWServes Fern Bay

    Closed · opens 8:00 am

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  7. Port Stephens Automotive

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

    Based in Anna Bay NSW · serves Fern Bay

    5.0 (1 reviews) Directions View profile Credentials listed Serves this area Est. 2007

    Anna Bay workshop for logbook servicing, brake and clutch work, rego inspections and trailer repairs.

    • Logbook Servicing
    • Rego Inspections (including LPG)
    • Brake & Clutch Servicing

    Based in Anna Bay NSWServes Fern Bay

    Closed · opens 8:00 am

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  8. First Choice Automotive Parts Wickham

    Mechanics, 4x4, Diesel Mechanics

    Based in Maryville NSW · serves Fern Bay

    5.0 (1 reviews) Directions View profile Serves this area Est. 1998

    Auto parts and brake repair shop in Maryville, NSW, doing disc and drum machining, caliper overhauls and brake hose manufacturing.

    • Brake Disc & Drum Machining
    • Caliper Overhauling
    • Brake Hose Manufacturing

    Based in Maryville NSWServes Fern Bay

    Closed · opens 8:00 am

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  9. Gibbo's Auto Electrics & Air Conditioning Services

    Auto Electricians, Mechanics, 4x4, Diesel Mechanics, Towing

    Based in Belmont NSW · serves Fern Bay

    4.0 (12 reviews) Directions View profile Credentials listed Serves this area Est. 1945

    Auto electrician in Belmont, NSW for auto electrical repairs, air conditioning regas, alternators and dual battery systems.

    • Auto Electrical Repairs
    • Alternator Installations
    • Dual Battery System Installations

    Based in Belmont NSWServes Fern Bay

    Closed · opens 8:00 am

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  10. ProStreet Automotive & Fabrication

    Mechanics, 4x4, Diesel Mechanics

    Based in Cardiff NSW · serves Fern Bay

    1.0 (1 reviews) Directions View profile Serves this area Est. 2020

    Mechanic in Cardiff, NSW for logbook servicing, pink and blue slip inspections, brake and clutch repairs and performance upgrades.

    • Logbook Services
    • Pink Slip & Blue Slip Inspections
    • Performance Modifications & Tuning

    Based in Cardiff NSWServes Fern Bay

    Closed · opens 9:00 am

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  11. Port Stephens Diesel Services

    Mechanics, Diesel Mechanics

    Based in Medowie NSW · serves Fern Bay

    View profile Credentials listed Serves this area Est. 2022

    Mobile diesel mechanic in Medowie, NSW for breakdowns, planned maintenance and logbook servicing.

    • Mobile Diesel Mechanic
    • Planned Maintenance
    • Log Book Servicing

    Based in Medowie NSWServes Fern Bay

    Open now · 24 hours

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No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 10 on this page.

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

Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 10 diesel mechanics in Fern Bay 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 Fern Bay?

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 Fern Bay?

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 Fern Bay.

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.