CT1700 - A new speedo housing leak stop kit for GM TH375, TH400, TH475 & 3L80E Transmissions, 1964 & up. Includes outer oring, inside rubber gear seal and spring retainer clip to stop leaking at your speedometer housing. This kit fits speedo housings designed for 34-39 and 40-45 tooth speedo gears. It will stop the leak where the speedo cable connects to the transmission.
Always FAST & FREE USA SHIPPING!
For questions or to place an order by phone, please call our solutions desk at (888) 324-1617 8AM-6PM PST (West Coast USA).
Or Email us using our CONTACT link above
Posted by TH400 Dude on 17th Jan 2018
Quality seals conveniently packaged! No issues or worries with fitment or not having the right part. Now my 1971 Big Block Cheyenne Super doesn't leak after driving! Thanks again!
Posted by John on 16th Jan 2018
Work great it stop the leak !!!!! GREAT PRODUCT.
Posted by Andrew on 14th Apr 2016
Fits perfectly. I would recommend a new speedo gear while installing this seal set. If the gear shaft has any wear or grooving it may still leak.
All prices are in USD.