Superior Transmission, Inc. was originally established in 1990 by Duane and his wife Jean. Superior Transmission specializes in repair, rebuild and replacement of all types of vehicle Drive-Train systems. We are the experts in transmission repair and transmission rebuild. The transmission is complex the average repair facility cannot keep up with the changing technology. At Superior Transmissions we are not just the average repair facilities we are professionals in the drive-train. Superior Transmissions is the #1 premier transmission and repair facilities in the Seattle area. We use state of the art equipment for diagnostic that is considered the best in the industry.