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Call Us Today!
(972) 278-9807
Call Us Today!
(972) 278-9807

Family-Owned and-Operated Since 1976!
2014 Small Business Commercial Association (SBCA)
2009, 2013 & 2014 Best of Business Award for Automotive Services

A+ Rated Company with Better Business Bureau
Being transmission specialists, there is nothing more important to us than our reputation; ours has been built on providing quality work and satisfied customers for over 40 years. Your customer experience begins the moment you call us, but it certainly does NOT end when you drive off our lot. We provide professional, full-service transmission repair and service by certified technicians. We use the latest diagnostic tools and years of experience to make sure we get it right, and we only repair what’s needed.


Call us today for a quote over the phone or to schedule a complete transmission fluid and filter replacement while you wait.
Proper transmission maintenance can’t be overlooked. That’s why A-1 United Transmissions is here to provide you professional, full-service transmission service to get you down the road safely.
If you're in the Dallas area, we're your transmission repair specialist. At A-1 United Transmissions, our team is dedicated to complete, quality transmission repair and services. We specialize in using the latest diagnostic tools to serve your transmission repair needs. Whether domestic and foreign cars or trucks, we do it all. We do it fast, we do it right, and we do it affordably!
Our certified technicians are experienced at servicing all makes and models and provide a thorough inspection to ensure your vehicle is in good, running condition. Schedule an appointment or drop in today. Let us service your transmission needs.
When trust and integrity count, depend on A-1 United Transmissions. We only fix what’s needed, and we offer a complete price quote over the phone. Take advantage of our complete transmission fluid and filter change while you wait.
  • Three-Year, 36,000-Mile Warranty Available
  • New and Rebuilt Transmissions
  • Complete Auto Transmission
  • Standard and Automatic
  • Quality Service
  • Free Road Tests
  • Free Estimates
  • Free Computer Diagnosis
  • No Gimmicks
  • Towing Available


Computer Diagnostic Analysis

One per Customer
2201 W. Kingsley Road
Garland, TX 75041
972-278-9807 • Fax: 972-271-8919



Keep your motor running with our automotive services team. From oil changes to complete overhauls, our crew will make sure your ride is always smooth.


Contact Us

Come down to our shop today, or call and schedule a service time that’s convenient for you. We’re always ready to get you back out on the road.

Business Associations and Affiliations

  • ASE Certified
  • Automotive Service Association
  • GM College Network Training Group
  • Our Employees Are Federally Certified and ATSG

Call Us Today At ♦ (972) 278-9807

A-1 United Transmissions

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