Product Review
JSP Brand Aftermarket Speedo LEAK STOP SEAL KIT TH400 TH375 TH475 Transmission Speedometer Turbo 400 Speedo Gear Housing ORING & SEAL KIT Fits all GM vehicles with Turbo-Hydramatic: 375, 400, 475, 3L80 transmissions. TH375 TH400 TH475 3L80E 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










