Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in New South Wales.
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.
953 diesel mechanics in New South Wales; listings updated 7 Oct 2026.
Mechanics, Auto Electricians, 4x4, Tyres, Panel Beaters, Diesel Mechanics
28 Edward St, Camden NSW 2570
Mechanic in Camden, NSW for logbook servicing, rego checks, brake and clutch repairs and truck services.
28 Edward StCamden NSW 2570
Closed · opens 8:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
33 Argent St, Tarcutta NSW 2652
Auto repair shop in Tarcutta, NSW for mechanical and transmission repairs, logbook servicing, clutch repairs and tyres.
33 Argent StTarcutta NSW 2652
Closed · opens 8:30 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
1/ 2 Gladstone Rd, Castle Hill NSW 2154
Family run mechanic in Castle Hill, NSW for logbook servicing, pink slips, brakes, transmissions and 4WD suspension work.
1/ 2 Gladstone RdCastle Hill NSW 2154
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
46 Yass Rd, Queanbeyan NSW 2620
Mobile auto electrician in Queanbeyan, NSW for alternators, starter motors, diagnostics and car air conditioning.
46 Yass RdQueanbeyan NSW 2620
Closed · opens 7:30 am
Mechanic in Long Jetty, NSW for logbook servicing, brake repairs, DPF cleaning and roadworthy inspections.
2/473 The Entrance RoadLong Jetty NSW 2261
Closed · opens 8:00 am
Tefol in Rutherford, NSW handles light and heavy vehicle repairs and servicing, mobile line boring and milling, and wheel alignment and balancing.
6 Mustang DrRutherford NSW 2320
Open now · 24 hours
Auto Electricians, Mechanics, Diesel Mechanics
3 Thomas Mitchell Dr, Muswellbrook NSW 2333
Machine maintenance and diesel engine specialist in Muswellbrook, NSW, also handling truck repairs, fabrication and auto electrical work.
3 Thomas Mitchell DrMuswellbrook NSW 2333
Closed · opens 6:00 am
Parts and accessories supplier in Ballina, NSW, for Ford Performance parts, Mustang accessories and Camaro parts.
Ballina NSW 2478
Closed · opens 9:00 am
Mechanic in Tuggerah, NSW for logbook servicing, brake repairs, engine diagnostics and gearbox replacements.
1/6 Mildon RdTuggerah NSW 2259
Closed · opens 8:30 am
Tiger Trays in Lansvale, NSW supplies truck parts, toppers and automotive accessories, with fit-out solutions for trade and commercial vehicles.
123 Hume HwyLansvale NSW 2166
Closed · opens 7:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
17 Stockwell Rd, Jindera NSW 2642
Mechanic in Jindera, NSW for car servicing, clutch repairs, auto electrical work and 4x4 servicing.
17 Stockwell RdJindera NSW 2642
Closed · opens 8:00 am
Performance parts and 4x4 upgrades in Beresfield, NSW, covering ECU remapping, exhausts and engine performance work.
28 Yilen ClBeresfield NSW 2322
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
2/11 Smith St, Emu Plains NSW 2750
Mechanical engineering workshop in Emu Plains, NSW for logbook servicing, performance tuning, suspension setups and inspections.
2/11 Smith StEmu Plains NSW 2750
Closed · opens 8:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
203 Parkes Street, Helensburgh NSW 2508
Mechanic in Helensburgh, NSW for logbook servicing, brake repairs, inspections and wheel alignments.
203 Parkes StreetHelensburgh NSW 2508
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
108/110 Warialda Rd, Inverell NSW 2360
Parts supplier in Inverell, NSW for 4WD accessories, batteries and 4WD suspensions, with delivery runs to nearby towns.
108/110 Warialda RdInverell NSW 2360
Closed · opens 8:00 am
Truck and fleet parts supplier in Hexham, NSW, stocking truck and trailer parts and accessories, including genuine and aftermarket components.
171 Old Maitland RdHexham NSW 2322
Closed · opens 8:00 am
Truck parts and accessories store in South Lismore, NSW, serving Lismore, Goonellabah and surrounds.
5 Krauss AveSouth Lismore NSW 2480
Closed · opens 7:30 am
Truck transmission and truck and bus repair specialist in Chipping Norton, NSW, also supplying truck equipment and parts.
9/81 Gov Macquarie DrChipping Norton NSW 2170
Closed · opens 7:00 am
Mobile truck repair business in Albury, NSW, covering truck and trailer repairs, reconditioned parts and new and second hand truck parts.
455 Atkins StAlbury NSW 2640
Closed · opens 8:00 am
Diesel Mechanics
332 Manns Rd, Gosford NSW 2250
332 Manns RdGosford NSW 2250
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
4 Canavan Dr, Beresfield NSW 2322
Truck workshop in Beresfield, NSW for truck servicing, mechanical repairs, rego inspections and auto electrical work.
4 Canavan DrBeresfield NSW 2322
Closed · opens 6:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
2/65 Regentville Rd, Penrith NSW 2750
Penrith, NSW supplier and fitter of 4WD gear, towing hardware and camping kit, including bullbars, towbars and truck toppers.
2/65 Regentville RdPenrith NSW 2750
Closed · opens 7:30 am
Mechanics, Diesel Mechanics
Unit 15 30 32 Beaconsfield St, Alexandria NSW 2015
Mechanical and exhaust workshop in Alexandria, NSW, handling oil changes, muffler repairs, diesel engine work and truck servicing.
Unit 15 30 32 Beaconsfield StAlexandria NSW 2015
Closed · opens 8:30 am
No diesel mechanics on this page match all of these filters. Untick one, or clear the filters to see all 24 on this page.
Showing 889–912 of 953 diesel mechanics · filters apply to this page only
Tell us about the job and we'll match it with up to 3 diesel mechanics in New South Wales. 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.
Diesel mechanics for diesel servicing and repairs, injectors and fuel systems, DPF cleaning and truck repairs. Mechanics Directory lists 953 diesel mechanics in New South Wales. Listings show the services each business offers, and a rating where there is one.
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.
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 New South Wales.
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.
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.
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.
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.
