The outboard engine’s simplicity, low cost, minimal weight, and versatility make it the most popular marine engine in America. So we stock hundreds of outboard motor engine parts for your convenience.
Johnson & Evinrude and OMC are brands synonymous with outboard motors.
Here’s why.
Marine Outboard Engine Parts
The efficiency, cost, maneuverability and versatility of outboard motors have made them the most popular option among boating enthusiasts. Although outboard engines are relatively easy to care for, you’ll still need the right boat parts and accessories. Marine Parts Source will supply boat owners with the outboard boat motor parts they need for maintenance and repairs. Order cooling system parts, ignition systems, oil filters, touch-up paint and everything else a project demands. Get outboard engine maintenance kits for winterization or a portable outboard motor to convert your fishing boat.
We have one of the largest collections of outboard motor parts online that includes most major OE and aftermarket brands. Shop for parts from Suzuki, Johnson/Evinrude, Arco Marine, Sierra, Moeller Marine Products, CDI Electronics and other names trusted worldwide. Our competitive prices and fast shipping make it easy to maintain any outboard motor. To find the correct outboard parts, use our categories, enter a part number in the search bar or call us toll-free at 866-388-0390.
Outboard Engine Parts
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10 Micron Long Fuel Water Separator Filter | Sierra 18-7945SIERRA-18-7945Qty In Stock: 204Brand: SierraReplacement spin-on fuel filter fits many Mercury & Mercruiser marine engines to remove contaminants & water from incoming fuel. Learn More
Mercury Carburetor Kit | Sierra 18-7356SIERRA-18-7356Qty In Stock: 27Brand: SierraCarb repair kit directly replaces Mercury 1395-8116913. Learn More
Fuel Water Separating 10 Micron Fuel Filter | Sierra 18-7866SIERRA-18-7866Qty In Stock: 108Brand: SierraSierra 10 micron high capacity spin-on replacement fuel and water separating filter replaces many O.E. filter elements.
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3-Position Outboard Ignition Switch with Push to Choke Off/Run/Start | Sierra MP52000SIERRA-MP52000Qty In Stock: 13Brand: SierraLearn MoreSierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive glass-filled polyester housing that helps eliminate potential shorts. It also features an inner seal between the cylinder lock and contact plate.
Johnson/Evinrude Water Pump Kit | Sierra 18-3392SIERRA-18-3392Qty In Stock: 9Brand: SierraReplacement water pump repair kit with housing for specified Johnson & Evinrude outboard motors
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Outboard Ignition Switch | Sierra MP39760SIERRA-MP39760Qty In Stock: 17Brand: SierraLearn MoreSierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive glass-filled polyester housing that helps eliminate potential shorts. It also features an inner seal between the cylinder lock and contact plate.
10 Micron Fuel Filter | Sierra 18-7968SIERRA-18-7968Qty In Stock: 103Brand: Sierra10 Micron Fuel Filter Learn More
Johnson/Evinrude Oil Filter | Sierra 18-7915-1SIERRA-18-7915-1Qty In Stock: 24Brand: SierraReplacement spin-on oil filter for various Johnson, Evinrude and Suzuki outboard motors. Learn More
Emergency Engine Cut-Off Switch & Lanyard | Sierra MP40970-1SIERRA-MP40970-1Qty In Stock: 16Brand: SierraEngine cut-off switch kills engine ignition when the lanyard is pulled. Will provide a “normally open” or “normally closed” circuit.
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3 Position Outboard Ignition Switch, Off/Run/Start | Sierra MP41090-1SIERRA-MP41090-1Qty In Stock: 2Brand: SierraLearn MoreSierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive glass-filled polyester housing that helps eliminate potential shorts. It also features an inner seal between the cylinder lock and contact plate. Push to choke ignition switch with Off - Run - Start positions & 6 color-coded wires is designed for Mercury control box applications.
32 oz. Hi-Performance Synthetic Blend Gear Lube | Sierra 18-9650-2SIERRA-18-9650-2Qty In Stock: 205Brand: SierraSierra's synthetic blend lower unit gear lube is a GL-5 rated marine lubricant designed to protect high performance outboards & I/O's. Learn More
21 Micron Long Fuel Water Separator Filter | Sierra 18-7845SIERRA-18-7845Qty In Stock: 250Brand: SierraReplacement spin-on fuel filter fits many Mercury & Mercruiser marine engines to remove contaminants & water from incoming fuel. Learn More© 2025 Marine Parts Source. All Rights Reserved.