National Input Shaft Seal for 4-Speed Toploaders with a Large Input Shaft.This is the seal at the front case of the transmission around the input shaft behind the throw out bearing retainer.
Eliminates bore leakage using a nitril seal with a proprietary RediCoat sealant. Patented lay-down sealing lip design ensures long life in spite of extreme temperatures, shaft imperfections, shaft/bore misalignment and excessive shaft thrust or movement.
-Shaft Size - 1.375"
-Housing Bore - 1.784"
-Outer Diameter - 1.878"
-Width - 0.312"
This seal is for a 1-3/8" input shaft.