The Spicer TTC Expansion Plug, part number 500166-5 or 5001665, is a genuine Spicer TTC transmission component sold by Pro Gear and Transmission. Expansion plugs are used to seal passages and bores within transmission housings, maintaining proper fluid retention and internal pressure. If you need help confirming this is the correct plug for your transmission, give us a call.
Features
Genuine Spicer TTC part
Part number 500166-5 or 5001665
Designed to seal transmission housing bores and passages
Sold by Pro Gear and Transmission
Used in 87 Spicer Transmission models
