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The crankshaft repair sleeve is pressed over a worn crankshaft sealing surface to restore a smooth, undamaged surface for the new seal to ride on, providing a lasting fix for a leaking crank seal. Signs that a sleeve is needed include: a new crank seal that leaks shortly after installation, or a visible groove worn into the crankshaft by the old seal. Install a repair sleeve for a permanent solution rather than repeatedly replacing the seal.
National, part of Federal-Mogul, manufactures premium oil seals and related components. As an OE supplier with over 75 years of experience, National delivers precision-engineered sealing solutions for critical applications.
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