1 x Housing (Replaces 330560 / Sierra 18-3363)
Signs of a failing water pump system include a weak or non-existent water stream from the "tell-tale" outlet
This part is listed as both depending on the specific engine application
Sealing Design: Features a single lip with a helix design for improved sealing performance
Hydrofoil Stabilizer – Fits Yamaha, Mercury, Johnson 8-40 HP Outboards (Replaces NorthBoat FO2002, UANOFCN 20HS001-Blue, SeaSierra 200HS) 4.3L-8.1L 1 x Housing (Replaces 330560Product Details This whale tail style Marine Hydrofoil Stabilizer Fits Yamaha, Mercury, Johnson 8 40 HP Outboards is designed for most outboard motors between 8 40 HP. It improves overall boat performance by getting on plane faster, reducing bow rise, and increasing fuel efficiency. Compatibility extends up to 300 HP for many models, with the exception of Mercury 4 stroke 40, 50, and 60 HP engines. This unit is a direct replacement for NorthBoat