Choosing or installing?
Include your engine brand, model, year, engine count and the product you are considering. Email a clear photo of your flush connection when fitment is the question.
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Get Help with Your Flushmaster Setup
You do not need to know every fitting on your boat. Tell us what you want to make easier and what you do know about your engines. We can help you identify the next step.
Help us see what you are working with.
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Need instructions now?
Find installation steps, compatibility references and demonstration videos by product.
Question about an order?
Include your order number and the item you need help with. Our FAQs link to the current shipping, returns and warranty information.