3 in stock.
Part No. I.D. O.D. Wall Length Description
18-4712 3.1875 3.453 0.125 5.556 Replacement straight sleeve with ports cut in
Additional information about this part can be found on page(s) 244 of the Sierra Marine catalog.
Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.