Rear Crankshaft Oil Seal for Volkswagen 1.9 & 2.0 TDi. Camshaft Followers (20). Camshaft Kits (42). Rear Crankshaft Oil Seal (Gearbox End) with housing. Cylinder Head Bolts (66). The sealing lip of PTFE oil seals is protected by a plastic sleeve, which can normally be used as an assembly aid.