Mfr # 118-0721. The dry Joint Exhaust was designed to prevent water from leaking from the gasket that connects the exhaust manifold and riser Water ingestion which is most commonly caused by using the incorrect height risers has always been the main issue for boaters attempting to extend the life of their engines A gasket is a fundamental component of flanged joints in a plant's piping system A gasket is a sealing material or a combination of materials clamped between two separable mechanical members of a mechanical joint flanged joint that produces the joint's weakest link Key Features For Standard coolingfull flow gasket Fits GM V8 V6 engines with dry joint exhaust manifold 2002 newer Use with 181845 Riser and 181843 Manifold Interchangeable with Mercruiser Stern Drive 27864547A02 and 27864547A1 Product Replaces 470721 and 808282359454 Expertly crafted from highquality materials Specifications Brand Sea Star Solutions SKU 180721 UPC 808282359454 Weight 037 lbs Fits 43L, 50L, 57L, 62L utilizing the Dry Joint Manifold and Riser This product replaces 470721, 808282359454
![SIERRAMARINE GASKET DRY JOINT (OPEN) [18-0721]](https://cdn.shopify.com/s/files/1/0779/8607/0831/files/ImageServerAPI_3fe9f5e9-7947-47d2-b577-0651426ea92a.jpg?v=1777004858&width=480)
