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A marine engine drivetrain is typically the most reliable onboard system on your watercraft. A standard shaft-and-propeller drivetrain consists of simple components that require little maintenance and should last for decades. But when it's time to repair one of your marine engine drivetrain components or fix a broken or out-of-whack part, you need an inboard engine parts supplier you can trust. Discount Inboard Marine provides marine engine drivetrain components for a variety of ski boat models. Shop our selection of transmissionsmuffler silencers and more. And we're proud to offer some of the best customer service in the industry. Reach out for more information or help finding the right marine engine drivetrain component for your boat's engine today.