Product Description
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.
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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
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Product Reviews
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Speedo Seal kit
Great product
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Transmission leak seal
Fast shipping and just what I needed transmission leak free
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Driven speedometer gear seal
Design is different from previous, seems like a better fit. Persistent drip is now gone!
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speedo seal kit
quick service & quailty product
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SPEEDO LEAK STOP SEAL KIT TH400 TH375 TH475 TRANSMISSION SPEEDOMETER
This product did it's job!
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speedo leak stop seal kit
Part looks just as picture shows. Haven't installed, not sure if part fits. lol
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Gets the job done
Works as-advertised, fixed the only leak from my TH400.
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Awesome Seal Kit!
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!
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Speedometer leak
Work great it stop the leak !!!!! GREAT PRODUCT.
