Rear Crankshaft SealItem #: IHS2387-I
Specifications: 2.563" O.D., 1.875" I.D., .125" thick
For all models using late rear seal retainer # 251363R2 sold by STP as # IHS4357
- will NOT fit tight in early # 251363R1 retainer.
For engines with the early R1 retainer, you must either change to the late R2 retainer or use loctite 660 or something similar to retain seal into the R1 retainer.
- Early R1 retainer has bore size of 3.881", late R2 retainer has a bore size of 3.876"; seal has an OD of 3.881".
|Cub||When using late R2 retainer or BTP # IHS4357|
|Cub Loboy||When using late R2 retainer or BTP # IHS4357|
|UC60||When using late R2 retainer or BTP # IHS4357||Power Unit|