National Transmission

For over four decades, National Transmission & Auto Care has been a cornerstone of automotive expertise in Houston. Since 1979, our ASE certified technicians have delivered premier auto repair and maintenance services, specializing in transmissions, brakes, and electrical systems. From essential tune-ups to complex computer diagnostic and air conditioning repairs, we offer a complete range of services to keep your vehicle running in peak condition. Experience our commitment to quality and a tradition of excellence, providing dependable solutions with care and precision for all your automotive needs.

National Transmission is a transmission shop in Houston, Texas. It is listed at 4420 Griggs Rd, Houston, TX 77021, which places it among the local businesses of Houston that residents and visitors turn to when they need this kind of service close by. Besides its main category, the business also describes itself as auto air conditioning service, auto electrical service, auto radiator repair service, so it may cover more than the name suggests.

Around Houston, specialty shops usually take walk-ins for quick jobs and appointments for rebuilds and installations. Insurance often covers windshield replacement with a low or zero deductible in several states, so ask your insurer before paying out of pocket. Window tint laws differ across Texas and its neighbors, so a reputable tint shop will tell you the legal darkness for each window. For transmission work, ask whether the shop rebuilds in house or installs a remanufactured unit and what warranty comes with each, then compare with the listing's rating and reviews.

Hours are published for 5 days a week. On most of those days it is open 8 am–6 pm. Note that it does not open on Saturday, Sunday. Hours in the United States do change around federal holidays and long weekends, so a quick call before a special trip is sensible. The listed phone number is (713) 489-4091. Many businesses also reply to text messages on the same number if it is a cell phone. More information is available on its website, nationaltranshouston.com.

Customers rate it 4.7 out of 5 on Google across 261 reviews, placing it among the better-regarded transmission shops in Houston.

Houston is in Texas, in the South, where summers are hot and humid, winters are short, and severe storms in spring are a fact of life; businesses run air conditioning most of the year and many open early to beat the heat. Getting around Houston is easiest by car; street parking is metered in busy downtown areas, and most suburban businesses have their own lot. Ride-share apps such as Uber and Lyft operate across Texas's larger cities, and public transit varies from extensive to minimal.

See the other transmission shops in Houston listed below to compare ratings, hours and locations before you decide. Details on this page come from public sources and may change; confirm anything important by phone before relying on it. Business owners can claim the listing to keep it up to date.