National Transmission takes great satisfaction in knowing that our auto repair shop in Houston TX provides customers with the peace of mind of knowing that when choosing our family-owned business for their automotive service needs, they are protected with our industry-leading warranty coverage. National Transmission stands behind the work we do on our customers' vehicles, in great part because we know that our team consists of the best Houston TX auto mechanics and ASE Certified technicians. When work is completed on a customer's car or truck, we have the peace of mind in knowing it was done right — the first time! Listed below you will find the details of our warranty protection coverage plans. Please feel free to request a price quote or schedule an appointment for a vehicle repair or service any time using our online forms.