
National Transmission: Fast, trusted auto care in Houston.
National Transmission in Houston is an auto parts store and car repair shop at 4420 Griggs Rd, 77021. Customers highlight speedy transmission replacements, free diagnostics, and attentive, professional service. The team, including front desk coordinator Junior Rodriguez and Donnie's crew, often washes and details vehicles at pickup and offers clear, up-to-date communication throughout the process. Highly recommended.
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Expert diagnosis and repair of transmission issues, including full replacements with fast turnaround times.
Fluid replacement and routine maintenance services to prevent future problems and extend vehicle life.
Complimentary vehicle inspection to identify issues, including transmission and other systems like air suspension.
Wide selection of high-quality transmission parts and general auto components for DIY or professional use.
Help with extended warranty claims and insurance processes to streamline repairs and reduce hassle.
Complimentary car wash and detailing services upon completion of repairs for a like-new finish.
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Overall rating
sid simonson
I had national transmission diagnose the air suspension on my grand cherokee. They found the problem in short order. Wonderful people to work with. I was very happy with the result. Thx
Eric Harris
Donnie was very courteous and helpful (but not helpful enough, I didn't want to have it towed there just to tell me what i already knew. Wasted $270) repairs were just a little too expensive for my taste, not their fault. Industry average. But just because of my cars age and mileage. I didn't want to pay that price. I still would recommend them. Though make sure you research your car and option for repairs so you HAVE options.
Janice Hypolite
Had transmission maintenance service (replace fluid) done. Was not having issues and thankfully no issues were found during their free diagnosis. They were professional and attentive and gave me orher recommendation for another issue ( unrelated) I have. Great service & customer service. They were highly recommended to me and I also highly recommend them. Thanks
Amara Cormier
I think these guys was and great at what they do I have an old-school truck 86toyato I told them what I thought the problem was next morning solved it. Had been to 2 other shop and they couldn't fix it. Thank you guys Mr Donnie and his team
Jessica Zucha
I worked with Junior Rodriguez at the front desk. He kept me up-to-date on the full process & is very experienced in the insurance process “ Extended warranty extra care” The turnaround on my transmission was extremely fast (actual replacement of trans). My car drives like a brand new car, they even washed and detailed my vehicle before I picked it up. Excellent service thank you guys so much