Exhaust Systems
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Exhaust Flapper With Clamp - 4 in. | Sierra 18-4457SIERRA-18-4457Qty In Stock: 24Brand: SierraExhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust. Learn MoreMSRP: $35.99 $24.42 -
1 in. OMC Plug Off Cap | Sierra 18-0549SIERRA-18-0549Qty In Stock: 33Brand: SierraUsed with OMC V-8 stern drives and inboard from 1977-present.
Learn MoreMSRP: $15.29 $9.27 -
Exhaust Flapper With Clamp - 3 in. | Sierra 18-4456SIERRA-18-4456Qty In Stock: 40Brand: SierraExhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow of water into the exhaust. Learn MoreMSRP: $36.49 $23.71 -
PCM Ford Exhaust Elbow Mounting KitSIERRA-18-8504Qty In Stock: 4Brand: SierraIncludes gasket & mounting bolts for Pleasurecraft Marine 302 & 351 CID exhaust riser. Learn MoreMSRP: $16.69 $10.70 -
1-1/4 in. OMC Plug Off Cap | Sierra 18-0550SIERRA-18-0550Qty In Stock: 25Brand: SierraUsed with OMC V-8 stern drives and inboard from 1977-present.
Learn MoreMSRP: $12.99 $7.97 -
Mercury Exhaust Cover Gasket | Sierra 18-2717SIERRA-18-2717Qty In Stock: 1Brand: SierraSierra exhaust cover gasket for 15-25 horsepower Mercury engines.
Learn MoreMSRP: $4.99 $4.75 -
Mercruiser Full Flow Dry Joint Raw Water Cooling Exhaust Elbow Gasket | Sierra 18-0721SIERRA-18-0721Qty In Stock: 0Brand: SierraDry Joint Raw Water Cooling Exhaust Riser Gasket Learn MoreMSRP: $91.99 $59.97 -
PCM Exhaust Elbow Gasket Set | Sierra 18-0677-1-9SIERRA-18-0677-1-9Qty In Stock: 0Brand: SierraExhaust riser to manifold gaskets. Sold in packs of two.
Learn MoreMSRP: $12.99 $9.68 -
Crusader Exhaust Elbow Mounting KitSIERRA-18-8515Qty In Stock: 7Brand: SierraOne hole exhaust elbow gasket with mounting bolts for Crusader log style manifolds. Learn MoreMSRP: $20.19 $12.89 -
Inline 6 Cylinder Exhaust Manifold to Head GasketSIERRA-18-2830-1Qty In Stock: 2Brand: SierraCombination intake & exhaust manifold gasket fits Mercruiser GM straight 6 cylinder marine engines. Learn MoreMSRP: $20.99 $16.25 -
Chrysler & Mercruiser Exhaust Manifold to Head Gasket | Sierra 18-0956SIERRA-18-0956-1Qty In Stock: 12Brand: SierraGasket seals exhaust manifold to cylinder head on Ford 460 marine engines. Learn MoreMSRP: $17.49 $15.03
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