Engine Crankshaft Seal - National Oil Seal 223750

The crankshaft front or rear seal prevents engine oil from leaking out where the crankshaft exits the engine block, protecting the belts, clutch components, and surrounding areas from oil contamination. Signs of failure include: an oil drip or trail from the front or rear of the engine, oil fouling the serpentine belt, or oil contamination on the clutch disc. Replace a leaking crank seal before oil damages expensive downstream components.

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.

This part also fits:

• 2007 Mazda 3 Mazdaspeed 6MT
• 2008 Mazda 3 Mazdaspeed 6MT
• 2009 Mazda 3 Mazdaspeed 6MT
• 2010 Mazda 3 Mazdaspeed 6MT
• 2011 Mazda 3 Mazdaspeed 6MT