Houston TXTransmission Repair & Service
National Transmission realizes that our customers in the greater Houston area rely on and need their vehicles for all types of transportation purposes. From driving to and from work each day around the roads of Houston, taking children to school, running errands, and all that happens in life in between those day to day road trips. Unfortunately, when a vehicle is in need of a repair, often times finding an alternative mode of transportation is not easy, particularly in Houston. When an unfortunate situation happens with a vehicle, the experts at National Transmission are ready to help. Our technicians are ready to perform the most thorough of inspections and troubleshooting procedures to provide only the most accurate of diagnoses.
When it comes to transmissions, National Transmission is considered by many to be the very best transmission shop in Houston. Transmissions are one of, if not the most complicated system in a vehicle. With hundreds of parts, transmission problems can be very hard to repair, let alone diagnose problems. That is why we advise our customers that before they install a brand new transmission by a general auto repair shop in Houston, to allow one of our experts to inspect it first. Quite often the root of the problem with a transmission is a minor to simple fix and definitely less expensive that a new transmission.
National Transmission values each and every one of our customers. From the very first moment a customer drives a car or truck into our Houston auto repair shop, we want to earn their trust. The goal of National Transmission is to offer only the services and repairs needed for a vehicle, and not any that are not required. Our team understands and realizes the important role vehicles play in our customers' lives and as such we are dedicated to ensuring they get the most accurate, affordable, and precise diagnosis and repair possible. When considering the complicated tools and equipment to repair a vehicle, National Transmission only uses the best available and hires only well-trained and certified technicians and specialists.
National Transmission invites those interested in saving on some of the various automotive repairs our auto repair shop offers to check out the special offers provided below.





National Transmission takes great pride in being an automotive repair facility in Houston that is a member of the Automotive Service Association. As an ASA member, National Transmission focuses our attention on our customers, working hard to earn their trust and ensuring their complete satisfaction with our repairs and services. It is for this reason that on average, 78% of the customers who bring their vehicle to our auto repair shop in Houston are repeat customers.
National Transmission backs our repairs and services by years of professional automotive repair experience. The average age of an ASA member shop is 25 years old and like National Transmission, 90% of ASA member shops are family-owned and operated businesses. National Transmission knows this is important to our Houston area customers.
National Transmission takes ASA's Code of Ethics seriously, ethics that outline the professional business practices of our family-owned Houston auto repair shop. Additionally, as an ASA auto repair shop, National Transmission provides our customers with accurate diagnosis and repairs. ASA surveys support that ASA shops are dedicated to staying up-to-date with continually changing vehicle technologies with regular attendance of various technical education seminars and classes.
ASA member shops such as National Transmission also have access to some of the best industry related information, including but not limited to management and technical education, and important regulatory information that is important to making sure our shop is in compliance with various federal, state, and local laws.

National Transmission is an automotive repair facility providing the greater Houston area with high quality auto repair services from a team of specialists, some of which are ASE Certified technicians. The team members on the National Transmission staff that are ASE Certified are part of one of the largest non-profit organizations in the world. Currently over 350,000 thousand fellow automotive repair professionals like those working at National Transmission are ASE Certified. National Transmission understands that for today's consumer, automotive repair is more complex than it has ever been. And as vehicles become increasingly more complicated, so too does the technology and diagnostic tools to repair them. This is why we are ASE Certified, because we know how important it is for people in and around the greater Houston area to locate knowledgeable and competent automotive professionals.

Founded in 1954, the Automatic Transmission Rebuilders Association (ATRA) is an international trade association for the professional automatic transmission repair industry. ATRA is headquartered in Oxnard, California and has over 2,000 members. The ATRA membership consists of more than 2000 repair specialists, students, schools, and suppliers, all supporting the training, research and improvements for transmission repair.
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4420 Griggs Rd
Houston TX
77021 -
Weekdays:
8 AM to 6 PM
Closed Weekends - 713 741 5344
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