Converts the reciprocating motion of the pistonRetains lubricating oilOffers superior service life and long lasting durabilityFeatures original equipment qualityWorld-class manufacturing standardsTimken Crankshaft Oil Seals convert the reciprocating motion of the piston to a continuous rotary movement suitable for driving the wheels of the vehicle. These seals retain lubricating oil in the crankcase and offer superior service life. They are manufactured using world-class standards and ensure long lasting durability.