Wool

Spark Plug Tube Seal. Spark plug tube seal (insulating sealing ring for the combustion plug tube) is a rubber sealant (silicone) installed on the combustion plug tube (spark plug) to keep the spark plug clean and prevent dirt and oil from reaching it. Storage number 11193-37020. It features high manufacturing quality, heat and oil resistance, and excellent compatibility with the original part. It is recommended to replace it when changing the engine seal or when noticing oil leakage inside the spark plug tube. Specifications: Part: Engine seal (insulating sealing ring) Manufacturing: Japanese Engine seal – protection for the spark plug and prevention of oil leakage.