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Replacement Grease Seal for an Old 6906 S National Oil Seal


6906 S That is the grease seal number I am trying to replace. I have been unable to find any with that part number it is a old late 70s early 80s boat trailer 4 lug hub thank you


Expert Reply:

From what I could find, the 6906 S was made by National Oil Seals, but is no longer produced. However, it is almost identical to the TruRyde Double Lip Grease Seal # 34823 and is just off by the very slightest measurements. The 6906 S measures 1.25" inner diameter and 1.972" outer diameter. The # 34823 will measure 1.249" inner diameter and 1.983" outer diameter. It will be a tight fit, but it will work

expert reply by:
Lazer S

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