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6444 valve stem oil seal products are offered for sale by suppliers on Alibaba.com, of which seals accounts for 47%, butterfly valves accounts for 2%, and other valves accounts for 1%. A wide variety of valve stem oil seal options are available to you, such as oil seal, valve stem seal and mechanical seal.You can also choose from brown, green and red valve stem oil seal,As well as from oil resistance, waterproof valve stem oil seal, and whether valve stem oil seal is auto, industrial, or excavator.