Boat Hydrofoil Stabilizer – Fits Outboard and Sterndrive Motors 5-40 HP (Replaces Doel-Fin Style)
Boat Hydrofoil Stabilizer – Fits Outboard and Sterndrive Motors 5-40 HP (Replaces Doel-Fin Style) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Boat Hydrofoil Stabilizer – Fits Outboard and Sterndrive Motors 5-4...
Boat Hydrofoil Stabilizer – Fits Outboard and Sterndrive Motors 5-40 HP (Replaces Doel-Fin Style) is backordered and will ship as soon as it is back in stock.
Product Details
This marine-grade Boat Hydrofoil Stabilizer is engineered to enhance boat performance by improving lift, stability, and planing efficiency. Designed for a universal fit, it is compatible with most outboard and sterndrive motors from 5 to 40 HP, including popular brands like Yamaha, Mercury, Honda, Suzuki, and Tohatsu.
It serves as a direct replacement for parts like the QuickMarine Boat Hydrofoil Stabilizer and FlickerMarine Hydrofoil Stabilizer.
- Installs directly onto the anti-cavitation plate using the included bolt-on hardware.
- Constructed from tough, marine-grade PA66 reinforced nylon plastic for durability.
- Features a UV-resistant and anti-aging finish to withstand harsh marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket brands.
| Brand | Product |
|---|---|
| QuickMarine | Boat Hydrofoil Stabilizer |
| FlickerMarine | Hydrofoil Stabilizer |
Engine & Model Compatibility
Confirm your engine model and horsepower fall within the compatible range using the table below.
This stabilizer offers a universal fit for most 5-40 HP outboard and sterndrive motors from the listed brands.
| Brand | Model | Rated HP | Stroke | Notes |
|---|---|---|---|---|
| Yamaha | Outboards | 5-40 HP | 2- & 4-Stroke | Universal fitment |
| Mercury | Outboards | 5-40 HP | 2- & 4-Stroke | Universal fitment |
| Honda | Outboards | 5-40 HP | 2- & 4-Stroke | Universal fitment |
| Suzuki | Outboards | 5-40 HP | 2- & 4-Stroke | Universal fitment |
| Tohatsu | Outboards | 5-40 HP | 2- & 4-Stroke | Universal fitment |
Technical Specs
- Product Type
- Hydrofoil Stabilizer
- Installation
- Bolt-on with included hardware
- Connection
- Direct mount to anti-cavitation plate
- Housing Material
- PA66 Reinforced Nylon Plastic (Marine Grade)
- Housing Color
- Available in Yellow, White, Black
- Fitting Type
- 4 sets of bolts and nuts with gaskets
- Other Technical Attributes
- UV-Resistant, Anti-aging, Dorsal fin style design
What’s in the Box
- 1 x Hydrofoil Stabilizer
- 4 x Sets of stainless steel 316 bolts and nuts
- 4 x Gaskets
Installation Notes
- Ensure the engine is off and the boat is securely trailered or docked.
- Center the hydrofoil on the anti-cavitation plate of your outboard or sterndrive motor.
- Mark the positions for the four mounting holes on the plate.
- Carefully drill the marked holes using an appropriately sized drill bit.
- Position the hydrofoil and insert the stainless steel bolts through the holes.
- Place the gaskets and thread the nuts onto the bolts from the underside.
- Tighten all nuts securely and evenly. Do not overtighten to avoid damaging the plate.
- Confirm the hydrofoil is rigid and does not move before operating your boat.
Troubleshooting & FAQ
Will this fit my specific motor?
This hydrofoil stabilizer is designed for universal fitment on most outboard and sterndrive motors with a horsepower rating between 5 and 40 HP. It's compatible with major brands including Yamaha, Mercury, Honda, Suzuki, and Tohatsu. Verify your motor's anti-cavitation plate has adequate space for mounting.
How does a hydrofoil improve performance?
A hydrofoil adds lift at the stern, helping the boat get on plane faster and at lower speeds. This reduces bow rise, decreases porpoising (bouncing), and improves stability, especially in rough water. It can also enhance fuel efficiency by reducing drag once on plane.
Is drilling required for installation?
Yes, this is a bolt-on accessory. You will need to drill four holes into your motor's anti-cavitation plate to securely mount the hydrofoil using the included stainless steel hardware.
What are the signs I need a hydrofoil?
Common issues that a hydrofoil can resolve include excessive bow rise during acceleration, difficulty getting on plane (especially with heavy loads), porpoising at cruising speeds, and poor stability in choppy conditions. It is particularly effective for aluminum boats, jon boats, and inflatables.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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