Carl E.
7/15/2025
I am celebrating today, because A-1 Transmissions repaired my car's Transmission Leak. My car drives like it never had a transmission problem. A-1 Transmissions did the repair on the same day...
A-1 Transmission Service Of Brentwood
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(74)
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150 Middlefield Ct Ste D
Brentwood, CA 94513
A-1 Transmission Service of Brentwood Inc. is a family-owned business established in 1995, operated by father and son duo Bud and Jason Beltrama. With Bud's extensive 30 years of experience in rebuilding transmissions and Jason's lifelong involvement in the trade, they bring a wealth of knowledge in the electrical, mechanical, and hydraulic aspects of transmission repair.
Their commitment to quality service ensures that customers can trust their expertise to resolve transmission issues effectively and efficiently. Together, they strive to fix transmission problems correctly the first time, enabling a reliable and seamless experience for their clientele.
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Reviews
5.074 reviews
Aaron N.
7/30/2025
Jason and A-1 are great! Thought I was going to DIY my transmission service but it proved to be more inconvenient than I planned. Jason was able to take care of me! Thank you! I highly...
Adam Y.
8/12/2025
This review is long overdue. I had burned up my torque converter due to electrical lockup issues. They got me in right away and built a bulletproof transmission for my 1998 24 valve Cummins. I now...
Jerry S.
1/10/2025
I brought in my 2005 Dodge Ram 3500 for a transmission service. It now drives smoother than it ever has. On top of that, they provide excellent service.
Sandro C.
4/17/2024
Absolutely outstanding service, quality and attention to detail with great value all rolled up in a great package is what all companies should be striving for this exactly what you get with A1...
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