Best Diesel Engine Dealer Oceanside Near Me

4worldlovers:
Our technicians are all ASE certified and are continually being trained to keep up with the latest technology available to make sure your problem is fixed right – the first time.

“After 25 years in the auto parts business and then retiring I felt I had lost all my great connections…These folks are great, honest and respectful.”


At Jorge Alonso Services LLC, our outstanding reputation is something we are extremely proud of. We are dedicated to offering the best quality service at competitive rates. Our shop is equipped with state of the art equipment and an experienced and friendly staff.


Owner Jorge Alonso has over 25 years of automotive experience. He is a businessman with honesty, integrity and true drive to offer his customers the best quality service available, striving to consistently exceed our customer’s expectations. Please let us know how we can help you.

4worldlovers: Some restrictions apply. Special must be presented in advance. Cannot be combined with other offers. See store for details.

$20 off labor of any vehicle service of $100 or more. Special must be presented in advance. Cannot be combined with other offers. See store for details.

"Pretty simple... These guys are honest, straight shooters, with fast and reliable service. They have that small town vibe and great customer service. We have been repeat customers for several years now with our vehicles and always recommend them to our friends and family without hesitation. They have been able to handle any and all of our vehicle needs from something simple like oil changes to big jobs! Feels really good to know you have a mechanic you can trust and confide in for all our auto needs."

"The golden spot to bring you're car, great guys to come to for service on your vehicle I have a 05 350 Z that been giving me problems for the past month i gave it the keys to Nate knowing my car is in good hands for years. Even for me working at a dealership seeing different shops how they perform on customer's vehicles, I highly recommend going here and talk to Nate!"

Mastertech was founded in March of 1995 by George "Lou" Lewis and Rick Sing. Lou was an ASE Master Technician with extensive mechanical experience who specialized in emission repairs and electronic diagnosis. Born and raised in Oceanside, Lou aspired to build a respected highly skilled automotive repair business serving all of the surrounding communities he had come to love. Rick was also an ASE Certified Technician who was employed as an Oceanside Police Officer that owned and operated a part-time auto repair facility. They joined forces and proceed to build their dream business.

They leased 4,500ft of vacant space located in an 11,000 foot building. Realizing their goals to build a reputable high tech facility equipped with state of the art equipment and personnel, their business has grown be one of the largest independent repair facilities in North San Diego County. With 15 bays, 12 auto and truck lifts, two alignment machines, and the largest RV Lift/Alignment Lift in North County, they are well equipped to service your mechanical needs on all makes and models of import and domestic vehicles, cars, trucks or RV's. Mastertech employs four service technicians and one transmission builder.