Front Crankshaft seal. Models: B, IB, C, CA & RC.Check your engine serial numbers!From Engine S/N- CE177567 & Engine S/N- CR54231For Crankshaft Speedi-Sleeve repair kit see 1604-21.1603-07F Seal/Crankshaft- Models: B,IB,C,CA & RC$14.00PriceQuantity*Add to Cart