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https://www.overtons.com/sierra-powerhead-gasket-set-for-mercury-marine-engine-sierra-part-%2318-4337-318222.html
Sierra Powerhead Gasket Set For Mercury Marine Engine, Sierra Part #18-4337
Item No. 318222
$38.99
$64.99
Additional Information
Sierra powerhead gasket set for Mercury Marine engine. For 45 Jet, 50HP, 55HP, 60HP, 3-cylinder outboard applications. Sierra Part #18-4337.
OEM Part Number:
27-812867A97
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OEM Part Number:
27-812867A97