The TOP 10 BEST Diesel Mechanics in Port Stephens NSW

We've all been guilty of forgetting to book our car in for a long overdue service or ignoring that clunking noise you only hear when you're gunning up a steep hill. Keep your car safe for you and everyone else on the road and let Tanilba Bay Automotive provide all your Port Stephens auto mechanical needs. Our services cover everything from basic repairs, logbook servicing, fitting new tyres, wheel alignments, pre-purchase inspections, and muffler and exhaust works. Our mechanics can keep your car running smoothly at affordable rates. We pride ourselves on using premium products and spare parts on your vehicle such as GT Radial Tyres and NRMA batteries. Need a specific spare part that we don't have in stock? We'll order it in for you ASAP!

At Adam's Autofix, we have more than 40 years' experience as the leading RAAF fleet service centre in Port Stephens. Our highly skilled team can complete all mechanical repairs, as well as rego inspections, windscreen replacement and engine management and diagnosis. We provide new, used and leased vehicle servicing for fleet vehicles, salary package vehicles, and new car warranties to the general public. When you have your car serviced by Adam's Autofix, your vehicle is in the best hands. As well as vehicle servicing, we perform tyre checks and replacements, rego inspections, auto electrical servicing, engine management and diagnosis and brake, suspension and exhaust repairs. Previously operating on the RAAF base, we have relocated to nearby Medowie. For your convenience, we operate a courtesy bus, now running daily to RAAF Williamstown and Newcastle Airport. Our mechanics also service the greater Port Stephens region, including Medowie, Williamstown and Salt Ash. If your car is in need of repair or service, visit Adam's Autofix today!

Come in and see Dean Bartlett and his highly skilled & experienced team for all your vehicle repairs.

Hunter High Performance, based in Brookfield, is a premier diesel tuning specialist that offers custom Dyno tunes, ECU remapping, and custom modifications for everything 4WD. Unleash the true potential of your daily driver by enhancing the output and performance of your diesel engine. With over 15 years of mechanical and auto electrical expertise, our fully licensed and insured team treats your car like their own. At Hunter High Performance, we eat, sleep, and drive diesels. Rest assured, our trialled and tested maps never exceed manufacturer specifications.

24 hour mobile truck and trailer repairs and servicing. Travel to all areas around Newcastle and the Hunter Valley. After hours breakdown service to assist with keeping your wheels turning. Professional service and quality workmanship.

When you need auto electrical repairs and accessories in Newcastle come in and see the team at Jackson Plant and Transport Repairs Beresfield. Established in 2013, Jackson Plant and Transport Repairs Beresfield is a family owned repair business located in Thornton NSW, servicing the transport, earthmoving, mining and construction industries. We can service trucks, buses, trailers, and heavy machinery, as well as diesel, plant and earthmoving equipment. For the past 25 years' our Newcastle mechanics have been working on transport, mining, landscaping, earthmoving, and construction vehicles. Our team also have a 24hr breakdown service, and mobile service for truck repairs and auto electrical equipment. Get on the road faster with our heavy machinery mechanics. Our diesel mechanics have invested heavily in our systems and tracking capabilities so you can say goodbye to issues with your maintenance logging and tracking. Our team will provide you with the right information every time, thanks to our fleet management and maintenance systems. At Jackson Plant and Transport Repairs Beresfield we are the leading heavy and commercial vehicle, earthmoving equipment and diesel plant repairers in Newcastle. Call us today for competitive quote.

At Trucksmart, we provide expert truck servicing, repairs, and parts to keep your vehicle running smoothly. With a highly skilled team of technicians, we service all makes and models, ensuring your truck gets the professional care it deserves—no matter the brand. Our Services: ✅ Comprehensive Truck Servicing & Repairs – From routine maintenance to complex diagnostics and major repairs, our experienced team uses cutting-edge equipment to get you back on the road fast. ✅ Genuine & Aftermarket Truck Parts – We stock a vast range of OEM and aftermarket parts. If we don’t have it, we’ll source it quickly to minimize downtime. ✅ 24/7 Emergency Support – Our workshop operates six days a week for routine repair and maintenance. However, with our after-hours emergency service being available to you 24/7, you’re never left stranded. ✅ Nationwide Parts Supply – Through Truck Parts Warehouse (truckpartswarehouse.com.au), we provide fast, reliable shipping across Australia to keep your truck moving. With over 30 years of experience, a team of 50+ specialists, and a customer-first approach, Trucksmart is your trusted partner and smart choice for quality service, reliable parts, and expert support—no matter what you drive. 📞 Call us today at 1300 668 768 to book a service, order parts, or speak with our expert team. Let’s keep your truck on the road, where it belongs!