01 · Match the engine
Confirm fitment
Check your engine model, year and flush-port style on the product page. A brand name alone is not a fitment guarantee.
Find your starting point
Build your Flushmaster setup.
Start with the connection you have, choose manual or automatic flushing, then confirm the right products for your engine count. You can keep compatible equipment you already own.
Find the products for your boat.
Start with engine count and brand, choose one connection path, then decide whether to add automatic timing. The Flushmaster Controller works with all three connection options.
Your setup
Review the quantities, options, and included parts. Add your selected setup together, or open a product page for more detail.
Your selected setup
Selected setup total—
Before discounts and taxes. Shipping is calculated at checkout.
Review your cart →Start with your boat details.
Select engine count and brand above the connection choices. Then choose where you want to connect; your product list will appear here. Not sure what you have? We can help identify it.
See complete setup examples →You do not have to know every fitting.
Tell us your engine brand, model or year if you know it, and whether you connect a hose at the engine or somewhere on the boat. A clear connection photo will help us identify the right next step.
Help identify my setup →Let’s plan your engine configuration.
For more than four engines, share the engine count and existing connection arrangement so we can help you plan an appropriate setup.
Help identify my setup →Your ONE connection choice
Choose your engine brand to see the right kit. Brand alone does not confirm fit; the product page has the model and connection details.
Please confirm your engine connection with us before ordering a brand-specific kit. Help identify my setup →
1 kit per engine being upgraded
Flush Port Quick Connect for Mercury
$89.99 each
For the engine connection selected above. Confirm your exact model, year and flush-port style before buying.
What’s included
1 kit per engine being upgraded
Flush Port Quick Connect for Suzuki
$79.99 each
For the engine connection selected above. Confirm your exact model, year and flush-port style before buying.
What’s included
1 kit per engine being upgraded
Flush Port Quick Connect for Yamaha
$49.99 each
For the engine connection selected above. Confirm your exact model, year and flush-port style before buying.
What’s included
1 kit per engine being upgraded
Flush Port Quick Connect for Honda
$49.99 each
For the engine connection selected above. Confirm your exact model, year and flush-port style before buying.
What’s included
Your ONE connection choice
Your engine count selects the plate port count. Confirm orientation and hose size below or on the product page. Each engine keeps a separate approved hose route.
1 plate · choose port count
Flush Port Reroute Plate
From $109.99 each
Choose one plate with the right number of ports, orientation and hose-barb size. White plates are also available.
What’s included
One Install Kit per engine
Reroute Install Kit
$59.99 each
One kit per engine: 25 ft of reinforced hose, one tee and four clamps. Match the hose size and engine installation requirements.
What’s included
Your ONE connection choice
Confirm mounting dimensions, screw spacing, hose size and rear clearance. The fitting requires the correct plumbing for your application; it does not include an internal engine hose route.
1 per connection being added or replaced
Quick Connect Water Inlet
$149.99 each
Solid 316 stainless steel for a premium direct replacement or quick-connect option. Works with the Flushmaster Controller.
What’s included
Your existing connection may already cover manual flushing. Browse useful accessories, or choose automatic timing above if you want a Controller.
Automatic timing
1 Controller
Flushmaster 2-Outlet (single to dual engines)
From $287.99 each
One Controller for one or two engines. The retail package includes two outlet hoses in your selected length.
What’s included
1 Controller
Flushmaster 4-Outlet (single to quad engines)
From $549.99 each
One Controller for three or four engines. The retail package includes four outlet hoses in your selected length.
What’s included
A 2-Outlet Controller supports one or two engines; a 4-Outlet supports up to four. Measure hose reach to every connection. Follow your engine manufacturer’s flushing procedure.
A complete setup starts with the right connection.
Use these checks before choosing variants or adding accessories.
Find your engine connection
02 · Check reach
Measure the route
For a Controller, measure from the planned controller position to every flush connection. For a Reroute, plan a separate approved hose route for each engine.
03 · Avoid duplicate parts
Check what is included
Controller packages include outlet hoses. Quick Connect kits include their listed hose-side adapters. Check the included-parts list before buying extra hoses or adapters.
Not sure what is already installed?
Send your engine details and a clear photo of the flush connection. We can help you identify the next step.