Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Mount Saint Thomas.
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.
56 diesel mechanics based in or serving Mount Saint Thomas; listings updated 7 Oct 2026.
These businesses aren't based in Mount Saint Thomas but list it as a service area.
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Port Kembla NSW · serves Mount Saint Thomas
Auto repair shop in Port Kembla, NSW for logbook servicing, brake and clutch work, rego checks and wheel alignments.
Based in Port Kembla NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Panel Beaters, Diesel Mechanics
Based in North Wollongong NSW · serves Mount Saint Thomas
Truck body and trailer builder in North Wollongong, NSW, making custom truck bodies and doing repairs, hydraulics and fabrication.
Based in North Wollongong NSWServes Mount Saint Thomas
Closed · opens 9:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Balgownie NSW · serves Mount Saint Thomas
Mechanic in Balgownie, NSW for logbook servicing, brake repairs, diagnostics and safety checks.
Based in Balgownie NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in West Wollongong NSW · serves Mount Saint Thomas
Mechanic in West Wollongong, NSW for car servicing, brake and clutch repairs, rego checks and auto electrical work.
Based in West Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics, Towing
Based in Wollongong NSW · serves Mount Saint Thomas
Suspension and brake specialist in Wollongong, NSW, fitting shock absorbers, springs, brakes, towbars and 4x4 suspension upgrades.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Car mechanic in Woonona, NSW for logbook servicing, brake repairs, diagnostics and Volkswagen, Audi, Subaru and Skoda work.
Based in Woonona NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Fairy Meadow NSW · serves Mount Saint Thomas
Mechanic in Fairy Meadow, NSW for general servicing, brake repairs, rego checks and roadworthy certificates.
Based in Fairy Meadow NSWServes Mount Saint Thomas
Closed · opens 8:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Woonona NSW · serves Mount Saint Thomas
Tyre and mechanical workshop in Woonona, NSW for logbook servicing, brake and suspension repairs, tyres, wheel alignments and inspections.
Based in Woonona NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics, Caravan Repairs
Based in Unanderra NSW · serves Mount Saint Thomas
Mechanic in Unanderra, NSW for logbook servicing, brake and clutch repairs, safety inspections and tyre work.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Wollongong NSW · serves Mount Saint Thomas
Mechanic in Wollongong, NSW for logbook servicing, brake repairs, inspections and European vehicle work.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Diesel Mechanics
Based in Port Kembla NSW · serves Mount Saint Thomas
European car mechanic in Port Kembla, NSW for logbook servicing, brake and clutch repairs and suspension work.
Based in Port Kembla NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Figtree NSW · serves Mount Saint Thomas
Auto repairer in Figtree, NSW for pre-purchase inspections, brake and clutch repairs, servicing and wheel alignments.
Based in Figtree NSWServes Mount Saint Thomas
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics, Caravan Repairs, Towing
Based in Wollongong NSW · serves Mount Saint Thomas
Auto repair shop in Wollongong, NSW for logbook servicing, brake and clutch repairs, wheel alignments and pink slips.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Panel Beaters, Diesel Mechanics, Caravan Repairs
Based in Unanderra NSW · serves Mount Saint Thomas
Mobile mechanic in Unanderra, NSW for logbook servicing, mechanical and electrical repairs, tyre fitting and Pink and Blue Slips.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, Tyres, Diesel Mechanics
Based in Unanderra NSW · serves Mount Saint Thomas
Go2 Automotive is an auto repair workshop in Unanderra, NSW, covering logbook servicing, rego checks, engine repairs, diagnostics and tyres.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 8:30 am
Mechanics, Auto Electricians, Diesel Mechanics
Based in Unanderra NSW · serves Mount Saint Thomas
Mechanic in Unanderra, NSW for brake repairs, engine diagnostics, oil changes, auto electrical work and Blue Slips.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Panel Beaters, Diesel Mechanics
Based in Wollongong NSW · serves Mount Saint Thomas
Mechanical workshop in Wollongong, NSW for logbook servicing, brake and clutch repairs, wheel alignments and rego inspections.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Diesel Mechanics, Caravan Repairs
Based in Unanderra NSW · serves Mount Saint Thomas
Engineering workshop in Unanderra, NSW, working on road transport vehicles, trailers and cranes.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 7:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Port Kembla NSW · serves Mount Saint Thomas
Mechanic in Port Kembla, NSW for logbook servicing, wheel alignments, diagnostics and roadworthy certificates.
Based in Port Kembla NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Unanderra NSW · serves Mount Saint Thomas
Mechanic in Unanderra, NSW for new car and logbook servicing, brake and clutch repairs, and rego inspections.
Based in Unanderra NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Port Kembla NSW · serves Mount Saint Thomas
Mechanical repair shop in Port Kembla, NSW for logbook servicing, brake and clutch repairs, suspension work and rego inspections.
Based in Port Kembla NSWServes Mount Saint Thomas
Closed · opens 7:30 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Wollongong NSW · serves Mount Saint Thomas
Tyre and mechanical workshop in Wollongong, NSW for logbook servicing, brake repairs, wheel alignments and tyres.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 7:30 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in North Wollongong NSW · serves Mount Saint Thomas
Auto repair shop in North Wollongong, NSW handling routine maintenance, brake repairs, transmission services and rego checks.
Based in North Wollongong NSWServes Mount Saint Thomas
Closed · opens 8:00 am
Subaru specialist mechanic in Wollongong, NSW for logbook servicing, brake repairs, diagnostics and suspension work.
Based in Wollongong NSWServes Mount Saint Thomas
Closed · opens 7:30 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 25–48 of 56 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 Mount Saint Thomas. 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 56 diesel mechanics in Mount Saint Thomas NSW. 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 Mount Saint Thomas.
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.
