Product Description
CT9940 - A new complete speedo housing leak stop kit for GM TH375, TH400, TH475 & 3L80E Transmissions, 1964 & up. Includes speedo housing retainer, outer oring, inside rubber seal with inner retainer spring clip. Also includes metric and non-metric bolts with lock washer to fit all year applications. This kit fits speedo housings designed for 34-39 and 40-45 tooth speedo gears. It will stop the leaking from the speedo housing area of your 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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7 Reviews Hide Reviews Show Reviews
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th400 speedo
no more leaks, for my th400. never thought I'd find these parts for my speedo.....great company.....they even connected me with a transmission mechanic for advice......great company, & super fast shipper. ..thanks
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th400 speedo
great place for transmission parts & advice....very friendly & helpful.....will definitely deal with again......thankyou
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Leak stopped dead in its tracks
Perfect fit, simple repair. Glad someone still makes these as I just fixed a really annoying leak from the speedo housing on my TH400.
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Item as described.
Quick shipping and item was as described.
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Solved my leak problems
Good product with a good price
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Speedo kit
Works great thanks
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400 TH leak seal kit.
No leaks and perfectly replaced old seals. No missing parts.
