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You can stop right here, because the parts you need are just a couple of clicks away. At, we have thousands of Johnson marine parts ready to ship, and they're at deep discount prices up to 80 percent off retail. So if you need Johnson 300 HP outboard parts, this is the place you need to be.

Click on the diagrams to check out all of the parts that make up this big outboard. You can see all of the parts and use the diagrams to get everything up to spec when you get your parts. And if you can't find them, let us know. Our customer service team can help you find the Johnson outboard motor parts you need to get this engine back out on the water again. So reach out to us on the phone or through the chat function here on the site and let us help you get your order on its way to your door.