Cornell Diesel Systems (NSW)

Thomas from Cornell's is the go two men for everything diesel related. I have used Thomas for over 1 year in my business and the service is second to none he always goes above and beyond we get the right parts for the right price evertime.

A big thanks to Ash and his Team for a great job replacing fuel injectors on my chopped 200 series LC. They also sorted out some other issues at no additional cost which has resulted in my vehicle now running like new. If you are looking for a Diesel expert that you can trust and will look after your pride and joy you won't be disappointed with the Guys at Cornell Diesel.

We here at Ross Davidson Automotive have been dealing with Cornells now for over 2 years & have had excellent service each & every time. They are very knowledgeable & have given us great advice for jobs we have been stuck on & also supply us with quality parts each & every time. I would have no problem with recommending them to anyone, trade & public. It's 5 stars from us.

I own a 2002 nissan patrol had issues with the car not reving ouver 1500 rpms.I rang Ash at cornell's in sydney and booked the car in after getting the car back it was running perfect after i got it back i can say i will be highly recommending Ash and the guys at cornell's in sydney as they went above and beyond to get the car repaired.Ash was so accommodating and very easy going we had so much laughs along the way of getting the car repaired.I have no words of how happy i am with the work that was done.Thank you once again to the best and knowledgeable workers and company in sydney.

So I saw great reviews on Cornell Diesel Systems so I said I would try them out. After struggling for months to figure out what was wrong with my Nissan Nav D22, Ash and the team solved it within days. A simple diagnostics, dyno and an overview of the ute and they knew. Ash is an absolute gentleman, honest, reliable and wants what the customer wants. Whatever you want the outcome to be, Ash will get it sorted. Also all the men in the workshop, all legends and they definitely know there trade. I will be back at Cornell Diesel Systems Wetherill Park for sure and won't take my Nav anywhere else.Thank you to Ash and the team!More then just the average mechanic shop!

Out of this world custimer service!!Ash and the team at Cornell have gone out of their way to work on my Pathfinder in time for a long road trip threw Queensland.At short notice and short time, they fixed the issues, up the performance and a complete service on my car.They worked well as a team and I ow them my gratitude to have it done with top quality and in time for my trip.Thanks again!

I’ve had the valves adjusted and timing chain guide replaced on my NP Pajero at Cornell Diesel Systems. Very happy with their work. The car runs very nicely.Ash and the team were informative and completed the job within time. Would recommend.

Just want to say thanks to Ash and the team here!! Diagnosed a problem with my hilux that other mechanics did not. If you’re having an issue send it to the right place first, instead of a misdiagnosis. The work was completed on time, within a short time frame. Ash was more than accomodating for questions I had regarding other things as well. Cannot thank you guys enough for getting the car running right and having me back on the road in no time at all!This is a diesel specialist you can trust with your pride and joy!

I'd like to add that if you live in Sydney and you are looking for Chev 6.5L diesel experts to work on your Transplant Patrol, Land Cruiser or other Brunswick Diesel fitted vehicle, I highly recommend Cornell diesel, I recently had a replacement 6.5L motor installed and these guys really do know what they're doing they are in regular contact with Greg from Brunswick Diesels and finally I have a place in Sydney I can return with confidence with my 6.5L Patrol. Give them a try you won't be disappointe!A big Thankyou and shout out to Ash, Lorenzo and Sarah.See my photos below what an awesome job guys Cheers!What a professional operation Cornell Diesel have here, a clean work environment for the staff and rooms for testing engine parts like I have never seen before.The staff are helpful and have a very good attitude towards customers, it's a pleasure to visit and give them my business.