About Us

Leon's Transmission Service has nearly 50 years of experience solving all sorts of transmission problems. All our technicians are certified. We’re Simi Valley’s oldest transmission shop, but we’re not the best just because we’re the oldest: We’re the oldest because we are the best! Click here to download some of our customer's testimonials.

Leon's Transmission Service Is a Member of:

ASC California
ATRA
Simi Valley Chamber of Commerce

Se Habla Español

Daniel Lefleur, Owner / Operator
805-522-0230
Fax: 805-522-0232
1880 Sinaloa Road, Simi Valley, CA 93065
Located South of Pep Boys Entrance off L.A. Avenue and Sinaloa

Monday – Friday: 8 a.m. – 5 p.m.
Saturday: 8 a.m. – 1 p.m.