Description
SIERRA Gasket Kit (Ap-3647) – 18-1277.
- Minimizes inventory investment to cover most major engine applications
- Maximizes inventory utilizations via mix and match system
- Utilizes generic type gasket kits common among all engine brands
- Would use the same short block & valve grind gasket sets w/ different exhaust manifold gasket kits
- For: 4 cyl 3.7L Mercruiser 470
- Sdc: 67.26
This is a special order item. Most special order items are shipped within 72 hours of ordering, however, some items are not in stock. We will let you know if the item is not available. Alternatively, you may call us at 1-866-473-0420.








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