Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

Vendor: JLM Marine
Availability: In Stock
Product Type: Hydrofoil Stabilizer
$65.50
$78.00
$65.50
Subtotal: $65.50

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Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

$78.00 $65.50

Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

$78.00 $65.50

Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (FO2003)

This marine-grade reinforced nylon hydrofoil stabilizer is engineered to enhance boat performance for most outboard motors and stern drives ranging from 40 to 300 horsepower. It improves handling, reduces bow lift, shortens planing time, and increases fuel efficiency by providing greater lift and stability at the stern.

This is a direct aftermarket replacement for part numbers including UANOFCN FO2003, SeaSierra 300 Whale Tail, SE Sport 300, and HD300 Whale Tail Stabilizer.

  • Installation Method: Direct bolt-on attachment to the anti-ventilation plate (drilling is required).
  • Core Material: Constructed from high-strength, UV-resistant Reinforced Nylon-PA66 plastic for durability and impact resistance.
  • Performance Gains: Reduces porpoising and cavitation, gets the boat on plane faster, and improves stability during turns and in rough water.

Compatible Engine Models

Confirm your engine model/year in the table below.

Type Power Range Stroke Notes
Outboard Motors 40-300 HP 2-Stroke & 4-Stroke Does not fit: Mercury 4-Stroke 40HP, 50HP, 60HP models.
Stern Drives 40-300 HP 2-Stroke & 4-Stroke Does not fit: Volvo Ocean Series XDP drives. For Volvo SX-A, DPS, DPR, DPH, 280, and 290 series, longer bolts and 1 fender washer are required (not included).

Performance Benefits

  • Reduces or eliminates boat front-end lift during acceleration.
  • Gets the boat on plane significantly faster.
  • Improves cruising efficiency at lower RPM for notable fuel savings.
  • Provides a smoother ride in rough water and when crossing wakes.
  • Enhances handling and stability, especially in turns.
  • Reduces porpoising and improves overall control and safety.

Technical Specifications

Product Type Hydrofoil Stabilizer (Whale Tail Style)
Installation Direct mount to anti-ventilation plate with included hardware
Connection Bolt-on (requires drilling)
Housing Material Reinforced Nylon-PA66 Plastic
Housing Color Available in Black, Silver, Blue, Red
Dimensions H: 14.5 in (368 mm) × W: 17.0 in (432 mm)
Weight 1.54 kg (3.4 lbs)
Other Attributes UV-resistant and enhanced impact resistance

Package Contents

  • 1 x Whale Tail Hydrofoil Stabilizer (FO2003)
  • 4 x Sets of Stainless Steel Screws and Nuts
  • 1 x 6.5mm Drill Bit
  • 1 x Installation Instruction Sheet

Installation Guide

  1. Safety First: Ensure the engine is off, the key is removed, and the shifter is in neutral. Disconnect the battery for added safety.
  2. Position the Hydrofoil: Place the hydrofoil on top of the anti-ventilation plate (the flat plate just above the propeller). Center it side-to-side.
  3. Mark Drill Holes: With the hydrofoil held firmly in position, use a marker to mark the four drill hole locations on the anti-ventilation plate.
  4. Drill the Holes: Remove the hydrofoil. Using the included 6.5mm drill bit, carefully drill through the anti-ventilation plate at the four marked locations.
  5. Secure with Hardware: Place the hydrofoil back onto the plate. Insert the stainless steel screws from the top and secure them from below using the provided nuts.
  6. Tighten Firmly: Tighten all four sets of screws and nuts evenly and securely. Do not overtighten to the point of cracking the plate or hydrofoil.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: This hydrofoil is designed for universal fitment on most outboard and stern drive motors from 40 to 300 HP. However, please review the exclusions. It is not compatible with Mercury 4-stroke 40-60HP models or Volvo Ocean Series XDP drives. Always measure your anti-ventilation plate to ensure the 17-inch wide hydrofoil will fit without obstruction.

Q: Will I need to buy additional hardware for installation?
A: The package includes all necessary stainless steel mounting hardware and even a drill bit for most installations. An exception is for select Volvo Penta drives (SX-A, DPS, DPR, etc.), which may require longer bolts and a fender washer, which are not included.

Q: How does this improve fuel efficiency?
A: By helping your boat get on plane faster and stay on plane at lower engine RPMs, the hydrofoil reduces engine strain and overall fuel consumption, especially during cruising.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.

Podemos enviar a prácticamente cualquier dirección del mundo con envío gratuito disponible para la mayoría de las regiones.

Para nuestros clientes típicos de EE. UU. y Canadá , nuestros plazos de envío son los siguientes:

  • Amazon FBA : los pedidos se entregarán dentro de 1-5 días hábiles después de realizar el pedido (durante ciertos períodos especiales como promociones importantes, Navidad, etc., el tiempo de entrega de Amazon FBA puede verse afectado).
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Como proveedor directo, evitamos intermediarios, lo que nos permite ofrecer precios competitivos sin comprometer la calidad. Este enfoque no solo promueve la rentabilidad, sino que también garantiza que nuestros clientes reciban el mejor valor directamente del proveedor.

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