Marine Engine Parts — Expert Buyer's Guide

Go2Marine stocks over 7,000 marine engine parts for every major engine brand — from starters and alternators to impellers, ignition kits, and fuel system components. Whether you're maintaining an inboard, outboard, or sterndrive, our catalog covers OEM replacements and premium Sierra aftermarket parts built to exceed original specifications.

Find Parts by Engine Brand

• MerCruiser engine parts— starters, alternators, impellers, thermostats
• Mercury / Mariner outboard parts— tune-up kits, starters, water pumps
• Johnson / Evinrude parts— the largest selection with 1,540+ items
• Yamaha outboard parts— starters, fuel systems, ignition components
• Volvo Penta sterndrive parts— alternators, cooling, drive components

How to Find the Right Marine Engine Part

Locating the correct engine part starts with your engine's model number and serial number. For outboard engines, the model year and horsepower rating are also critical. Our team of marine experts has been matching boaters with the right parts since 1967 — call 800-998-9508 for personalized assistance.

Most Replaced Marine Engine Parts

• Water pump impellers— replace annually or every 100 hours
• Spark plugs & ignition kits— seasonal tune-up essentials
• Marine starters— OEM-equivalent replacements
• Alternators & voltage regulators— charging system reliability
• Fuel pumps & carburetors— fuel system performance

Why Go2Marine for Engine Parts?

With 50+ years in the marine industry, Go2Marine offers unmatched depth in engine parts inventory, competitive pricing on Sierra and OEM components, and expert support from staff who actually know boats. Free shipping on orders $99+ and a 30-day easy return policy make us the go-to source for boaters nationwide.