The Spicer TTC Speedometer Plug, part number 55-334-1 or 553341, is a genuine Spicer TTC transmission component designed to seal or cap a speedometer gear port on compatible heavy-duty transmissions. This plug is sold individually as a direct replacement service part. Pro Gear and Transmission carries genuine Spicer TTC parts for professional mechanics and fleet maintenance crews who need the right component the first time. Call us to confirm this part fits your specific transmission before ordering.
Features
Genuine Spicer TTC transmission part
Part number 55-334-1 or 553341
Seals or caps speedometer gear port on compatible heavy-duty transmissions
Sold individually (each)
Available from Pro Gear and Transmission
Used in 97 Spicer Transmission models
