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Sealing lip
Auto spark plugs are a vital component of a vehicle's ignition system, providing the necessary spark to ignite the air-fuel mixture in the engine cylinders. These small but important plugs play a crucial role in ensuring that your car starts up smoothly and runs efficiently. * Oil contamination in the coolant If you notice oil in your coolant reservoir, it could be a sign that the cylinder head gasket has failed and is allowing oil to leak into the cooling system.
Leather
Recommended for abrasive applications
Good running properties, due to the impregnated seal lip
Can be used on shafts which have a surface roughness outside the range for rubber seals
Not suitable for water
Table 1: The functions of the various components