Australia's directory of mechanics and motoring services
Describe the job once and we'll match it with up to 3 diesel mechanics in Congewai.
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.
43 diesel mechanics based in or serving Congewai; listings updated 7 Oct 2026.
These businesses aren't based in Congewai but list it as a service area.
Heavy machinery repair and maintenance in Beresfield, NSW, servicing earthmoving and mining plant, trucks and excavators on site.
Based in Beresfield NSWServes Congewai
Open now · 24 hours
Performance workshop in Thornton, NSW for custom dyno tuning, diesel tuning, turbocharging and supercharging.
Based in Thornton NSWServes Congewai
Closed · opens 8:00 am
Cummins in Hexham, NSW supplies diesel engines and provides generator servicing, field service and planned maintenance.
Based in Hexham NSWServes Congewai
Closed · opens 7:00 am
Diesel mechanic in Rutherford, NSW for diesel engine repairs, plus brake, clutch and truck and bus work.
Based in Rutherford NSWServes Congewai
Closed · opens 7:00 am
Mobile diesel mechanic based in Louth Park, NSW, servicing fleets across Maitland and the Hunter Valley with on-site diesel repairs and scheduled maintenance.
Based in Louth Park NSWServes Congewai
Open now · 24 hours
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Maitland NSW · serves Congewai
Mechanic in Maitland, NSW for logbook servicing, rego checks, car air conditioning and diagnostics.
Based in Maitland NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Morisset NSW · serves Congewai
Morisset Automotive is a mechanic in Morisset, NSW, handling scheduled servicing, safety inspections, clutch and brake work and suspension.
Based in Morisset NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in East Maitland NSW · serves Congewai
Mechanic in East Maitland, NSW for logbook servicing, European car repairs, brake repairs and rego checks.
Based in East Maitland NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics, Caravan Repairs
Based in Morisset NSW · serves Congewai
Mobile auto electrician in Morisset, NSW for 12V fit-outs, starter motors, alternators, dual batteries and caravan wiring.
Based in Morisset NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics, Caravan Repairs
Based in Cessnock NSW · serves Congewai
Mechanic and auto electrician in Cessnock, NSW for logbook servicing, brake and clutch repairs, diagnostics and rego checks.
Based in Cessnock NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Diesel Mechanics
Based in Maitland NSW · serves Congewai
Maitland workshop for radiators and cooling systems, logbook servicing, brakes and clutches, and engine diagnostics.
Based in Maitland NSWServes Congewai
Closed · opens 9:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in Kurri Kurri NSW · serves Congewai
Car mechanic and tyre supplier in Kurri Kurri, NSW, covering servicing, brakes, suspension, diagnostics and wheel alignments.
Based in Kurri Kurri NSWServes Congewai
Closed · opens 8:00 am
Mechanics, 4x4, Diesel Mechanics
Based in East Maitland NSW · serves Congewai
Auto parts store in East Maitland, NSW, supplying clutches, brakes, steering and suspension parts, plus brake machining and hose manufacturing.
Based in East Maitland NSWServes Congewai
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics, Caravan Repairs
Based in Maitland NSW · serves Congewai
Tyre and auto service workshop in Maitland, NSW for logbook servicing, mechanical repairs, rego inspections and wheel alignments.
Based in Maitland NSWServes Congewai
Closed · opens 8:00 am
Auto Electricians, Mechanics, 4x4, Diesel Mechanics
Based in Beresfield NSW · serves Congewai
Workshop in Beresfield, NSW for truck and trailer repairs, auto electrical work and diesel and plant repairs.
Based in Beresfield NSWServes Congewai
Closed · opens 8:00 am
Mechanics, 4x4, Tyres, Diesel Mechanics
Based in East Maitland NSW · serves Congewai
Mechanic in East Maitland, NSW for logbook servicing, brake and clutch repairs, diesel repairs and pink and blue slip inspections.
Based in East Maitland NSWServes Congewai
Closed · opens 8:00 am
Mobile mechanical repairs in South Maitland, NSW for machinery, plant, trucks and trailers, concrete pumps and fleet maintenance.
Based in South Maitland NSWServes Congewai
Closed · opens 6:00 am
Based in Beresfield NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in Cessnock NSW · serves Congewai
Mechanic in Cessnock, NSW for logbook servicing, brake and clutch repairs, exhausts, dyno tuning and suspension work.
Based in Cessnock NSWServes Congewai
Closed · opens 8:00 am
Mechanics, Auto Electricians, 4x4, Tyres, Diesel Mechanics
Based in East Maitland NSW · serves Congewai
Mechanic in East Maitland, NSW for logbook servicing, brake repairs, suspension repairs and vehicle diagnostics.
Based in East Maitland NSWServes Congewai
Closed · opens 8:00 am
Mechanic in Kurri Kurri, NSW for fuel injection work, mechanical repairs and servicing, vehicle modifications and registration works.
Based in Kurri Kurri NSWServes Congewai
Closed · opens 9:30 am
Mobile diesel mechanic based in Cessnock, NSW, doing on-site diesel repairs and oil changes around Cessnock, Kurri Kurri and Branxton.
Based in Cessnock NSWServes Congewai
Open now · 24 hours
Mechanics, Auto Electricians, Tyres, Diesel Mechanics, Caravan Repairs
Based in Morisset NSW · serves Congewai
Automotive workshop in Morisset, NSW for logbook servicing, brake and clutch repairs, tyres, wheel alignments and roadworthy inspections.
Based in Morisset NSWServes Congewai
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 1–24 of 43 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 Congewai. 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 43 diesel mechanics in Congewai 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 Congewai.
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.
