Sea-Doo Open Loop Cooling Kit
Open-loop cooling conversion kit for selected Sea-Doo 1630 ACE 230/300 applications.
No saved ski needed to purchase. Use the fitment details to choose the right part for your setup.
Shipping and delivery options at checkout. Eligible continental US orders over $500 ship free; oversize freight excluded. Shipping details
Model & year fitment
Match the exact model, engine and year. Fitment and stock availability are separate checks.
“Needs a fitment check” means compatibility is not confirmed for that setup. You can purchase without saving a ski; contact GT40 if you need help choosing. Required hardware may be sold separately; confirm what is included. A model or year absent from this chart is unconfirmed.
Compare product fitment →Product details
Open-loop cooling conversion kit for selected Sea-Doo 1630 ACE 230/300 applications. It changes the head-cooling path to a raw-water circuit. Confirm your model, year, existing cooling plumbing and installation plan with GT40 before ordering.
Fitment & setup
What changes in the cooling system?
The conversion routes raw water through the head-cooling path. Confirm the hose routing, flow regulator and connections for your exact installation before starting work.
What comes with the kit?
The kit is listed with a cover or housing, cooling hose, a flow regulator, fittings, clamps, O-rings and installation hardware. Ask GT40 to confirm the packing list for your setup.
What should I send for a fitment check?
Send your model, year, engine and photos of the existing cooling hoses and connections. Request the current installation, regulator and flushing instructions before altering the cooling system.