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Delco EST Conversion Kit GM V8 | SIERRA 18-5514SIERRA-18-5514Qty In Stock: 21Brand: SierraDelco EST style ignition conversion kit for upgrade or replacement on GM V8 small block and big block engines.
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Mercruiser Alpha One Gen II Transom Seal Kit | Sierra 18-8218SIERRA-18-8218Qty In Stock: 28Brand: SierraConvenient service kit includes everything needed to remove & reinstall a Mercruiser Alpha 1 Gen II stern drive from the transom with a sealed gimbal bearing.
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Mercruiser Mechanical Fuel Pump | Sierra 18-7282SIERRA-18-7282Qty In Stock: 28Brand: SierraCarter style mechanical fuel pump for Mercruiser GM 2.5L & 3.0L 4-cylinder marine engines.
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4 inch Exoflex Exhaust/Water Hose, sold per foot | Sierra 116-254-4000-1SIERRA-116-254-4000-1Qty In Stock: 47Brand: SierraFeatures a corrugated exterior and is internally reinforced by wire to prevent hose from collapsing. Primarily used for connections in marine wet exhaust and engine water circulation applications, especially where significant bends of hose are required. Designed to resist heat, exhaust gases, ozone, antifreeze, and saltwater Learn More
Fuel Filter Element & Canister | Sierra 18-7861SIERRA-18-7861Qty In Stock: 63Brand: SierraAftermarket replacement fuel filter & canister used on many early model Crusader & OMC marine engines. Learn More
Arctic Series Outboard 4 Gauge Set | Sierra 68387PSIERRA-68387PQty In Stock: 11Brand: SierraSeastar Solution's boxed boat gauge set includes a tachometer, speedometer, fuel & voltmeter gauge for outboard applications. Learn More
3 inch Exoflex Exhaust/Water Hose, sold per foot | Sierra 116-254-3000-1SIERRA-116-254-3000-1Qty In Stock: 138Features a corrugated exterior and is internally reinforced by wire to prevent hose from collapsing. Primarily used for connections in marine wet exhaust and engine water circulation applications, especially where significant bends of hose are required. Designed to resist heat, exhaust gases, ozone, antifreeze, and saltwater Learn More
Mercruiser GM Small Block Exhaust Manifold | Sierra 18-1953-2SIERRA-18-1953-2Qty In Stock: 120Brand: SierraCenter rise exhaust manifold fits Mercruiser GM 5.0L & 5.7L CID marine engines. Learn More
GM Marine Distributor | Sierra 18-5313-1SIERRA-18-5313-1Qty In Stock: 1Brand: SierraSierra Mallory breaker point style distributor for GM small and big block marine engines
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Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2SIERRA-18-1976-2Qty In Stock: 77Brand: SierraSierra direct replacement exhaust elbow fits many Mercruiser V6 & V8 marine engines with center rise exhaust manifolds. 4-inch outside diameter exhaust hose connection
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Mercruiser Mechanical Fuel Pump | Sierra 18-8860SIERRA-18-8860Qty In Stock: 31Sierra aftermarket mechanical fuel pump for Mercruiser 7.4L & 8.2L marine engine applications. Includes the engine mounting gasket.
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Flexible Fuel Line USCG Approved - 25 in. | Sierra 18-8115SIERRA-18-8115Qty In Stock: 38Brand: SierraFlexible fuel line is designed for fuel pump to carburetor connections of marine engine. Learn More© 2025 Marine Parts Source. All Rights Reserved.