Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (Replaces FO2003)
SKU: 95592656103

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

Sale price$57.24 Regular price$63.60
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 40-300 HP (Replaces FO2003)Whale Tail Hydrofoil Stabilizer Fits Outboard Motors & Stern Drives 40 300 HP This hydrofoil stabilizer is engineered to enhance the performance of a wide range of outboard motors and stern drives from 40 to 300 HP. It provides improved stability, reduced cavitation, faster planing, and better fuel efficiency for a smoother ride. It is compatible with most major outboard and stern drive brands, including Mercury, Yamaha, Johnson, Evinrude, Honda, and

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

This hydrofoil stabilizer is engineered to enhance the performance of a wide range of outboard motors and stern drives from 40 to 300 HP. It provides improved stability, reduced cavitation, faster planing, and better fuel efficiency for a smoother ride.

It is compatible with most major outboard and stern drive brands, including Mercury, Yamaha, Johnson, Evinrude, Honda, and Suzuki. This is a direct aftermarket replacement for NorthBoat FO2003, SeaSierra 300, QuickMarine Whale Tail Silver, and Marine Whale Tail Silver.

  • Installation: Bolts directly to the cavitation plate. Drilling is required.
  • Material: Constructed from UV-resistant, marine-grade reinforced Nylon PA66 plastic.
  • Engine Compatibility: Fits most 2-stroke and 4-stroke engines between 40-300 HP (see exceptions below).

Compatible Engine Models

Confirm your engine model/year in the list below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.

For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

For Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Compatible With:

  • Most outboard motors and stern drives from 40-300 HP
  • Yamaha, Mercury, Johnson, Evinrude, Honda, and Suzuki engines within the 40-300 HP range

Not Compatible With:

  • Mercury 4-Stroke 40 HP, 50 HP, 60 HP
  • Mercury Bravo II
  • Mercury Bravo III with only one anode on the bottom of the cavitation plate (rare configuration)
  • Volvo models with exhaust through the cavitation plate
  • Honda 200 HP and higher
  • Yamaha 350 HP

Technical Specifications

Specification Value
Product Type Hydrofoil Stabilizer (Whale Tail)
Installation Bolted to cavitation plate; drilling required
Material Marine Grade Reinforced Nylon PA66 Plastic (UV-Resistant)
Color Silver
Dimensions H: 13.5 inches (343mm), W: 14 inches (356mm)
Weight 2.94 lb (1.33 kg)
Mounting Type Outboard/Sterndrive mount
Engine Compatibility 40-300 HP outboards and stern drives
Engine Type 2-Stroke & 4-Stroke

Performance Benefits

  • Improves handling and provides better maneuverability
  • Enhances thrust and control for better performance
  • Cuts planing time and keeps the boat on plane at lower speeds
  • Saves fuel by improving overall engine efficiency
  • Eliminates or significantly reduces porpoising and cavitation
  • Provides a smoother, more stable ride in various water conditions

Package Contents

  • 1 x Hydrofoil Stabilizer Board
  • 4 x Sets of Stainless Steel Screws and Nuts
  • 1 x 6.5mm Drill Bit included for installation
  • 1 x Installation Instruction Sheet

Installation Guide

  1. Center the hydrofoil on top of the engine's cavitation plate. Ensure it is positioned correctly before marking.
  2. Mark the four hole locations on the cavitation plate using the hydrofoil as a template.
  3. Carefully drill the four marked holes using the included 6.5mm drill bit.
  4. Place the hydrofoil back onto the cavitation plate, aligning the holes.
  5. Insert the stainless steel bolts from the top and secure them with the nuts from the bottom.
  6. Tighten all four sets of screws and nuts firmly. Check for a secure fit before operating the boat.

Troubleshooting & FAQ

Q: How do I confirm this hydrofoil will fit my specific engine model?

A: This hydrofoil is designed for most outboard and sterndrive engines from 40-300 HP. Please carefully review the "Not Compatible With" list to check for specific exceptions, such as certain Mercury 4-stroke models, Mercury Bravo II/III drives, and high-horsepower Honda/Yamaha engines. Always visually compare it to your engine's cavitation plate to ensure a proper fit.

Q: What is the main benefit of installing a hydrofoil?

A: The primary benefits are improved performance and stability. It helps your boat get on plane faster, stay on plane at lower speeds (improving fuel economy), and reduces common issues like porpoising (bow bouncing) and cavitation (propeller ventilation).

Q: Does installation require any special tools?

A: The package includes all necessary mounting hardware (stainless steel screws and nuts) and a 6.5mm drill bit. You will need a drill to complete the installation. Professional installation is always recommended for safety.

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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95592656103

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 252 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
F
Verified Purchase
Firebabe
Lowell, US
★★★★★ 5
Great quality. Easy to clean. Nice appearance.
Color: Red, Size: 4.3-Quart
Solid, heavy pot for cooking and baking. I bought it mainly for making soups, stews and breads. I have only tried soups thus far. The pot cleaned up very easily. The bottom of the pot heated uniformly. Nothing was stuck to the pot when I was simmering on the glass top stove. I have not had the chance to bake yet, but seeing how evenly it held heat while cooking, I am thinking this will be perfect. I bought the red color. It gives a nice pop of color in my kitchen. This pot will probably last me a long time. I would buy one if I needed a replacement, or a gift for someone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Great quality for price after 3 years of use
Color: Matte Navy, Size: 6-Quart, Color: Matte Navy, Size: 6-Quart
I’m 3.5 years in and use it weekly. So far it’s been a great product especially for the price. We are really into soups, roast, and I bake bread a lot. This thing is amazing and a great quality. It’s easy to clean, does great in the oven, and stands up great to constant use. I only have a small amount of staining at the bottom, and a couple scratches from metal utensils. The lid is solid and the handle is really secure still, which is a problem I’ve had with other brands I’ve tried.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
G
Verified Purchase
Gwen Jones
Bozeman, US
★★★★★ 5
Quality product
Color: Navy, Size: 6-Quart
I absolutely LOVE my Dutch oven! The reduced cooking time for certain cuts of meat for stews, pot roast, etc., is a definite game changer!! The meat comes out so juicy and tender. I made curry and did the "burning" of the curry and was hesitant because I didn't want the pot to be stained. There were no stains left at all. I've used it numerous times since purchasing and it still looks new. It's very durable and the color is beautiful. If you're looking for a functional, quality, and durable Dutch oven without breaking the bank, this is it! I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
S
Verified Purchase
Serhii
Houston, US
★★★★★ 5
Exactly what I wanted
Color: Blue, Size: 6-Quart
Amazing! Looks beautiful, high quality, good price. Well packaged, no defects. Heavy of course :) Blue color is amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
B
Verified Purchase
Booksalottle
Los Angeles, US
★★★★★ 4
Nothing Exceptional but Gets the Job Done
Color: Blue, Size: 4.3-Quart, Color: Blue, Size: 4.3-Quart
I’ve owned this 4.5 Qt. Amazon Enameled Cast Iron Dutch Oven for almost two months and have used it three times to date. Upon arrival and at first glance, the gradient blue color is beautiful and super glossy; most importantly, the pot is heavy for its size - as it should be. It looks exactly like the product pictures, with a globular shape than square shape as others. Unfortunately, I also noticed that there was one pin hole and two tiny uneven protrusions on the enamel inside the pot. I own three other enameled cast iron cookware from two other brands (photos attached for size comparison) and performance wise, this cast iron by Amazon performs equally to them. The pot isn’t exceptional or special but it gets the job done. Other than the pin holes and protrusions, I have no complaints. This isn’t my first rodeo so when heating up the pot and while cooking, I have zero issues. I am starting the pan off at 4-Stars and will update my review as time progresses, or if I have any major issues with its durability or performance in subsequent months. For the amateur home cook, or for anyone who is new to cast iron cooking, below I’ve included tips that you may find useful while using this or any other enameled cast iron cookware. ================================ Regarding the 3 Photos and 1 video I've Attached: (Note: all photos were taken with an iPhone under kitchen lights during the evening. Photos have not been edited nor enhanced.) Photo 1: Size comparison of this Amazon Enameled Cast Iron Dutch Oven compared to three other enameled cast iron cookware that I own from two other brands. From left to right: 7 qt. Tramontina, 4.5 qt. Amazon, 3 qt. Lodge 4 qt. Tramontina. Photos 2 and 3: fresh produce shown next to 4.5qt Amazon Dutch Oven for color and size contrast. Video: 4.5 qt. Amazon Enameled Cast Iron Dutch Oven on gas stove over medium heat, with food cooking. ================================ TIPS THAT YOU MAY FIND USEFUL While Using your cast iron dutch oven: (Note: I included these similar tips in my review of a different enameled cast iron pot from a different brand. My tips can apply to all enameled cast iron cookware) 1. If you find that you have issues with food sticking, it could be that you are not heating up your cast iron pot properly to prevent undue hot spots. I heat my pot up gradually starting at low, then medium, then high heat. After my pot is very hot is when I add my fat/cooking oil. As the oil is heating up in the pot, I lift it and swirl the oil around to coat all sides of the pot that will come in contact with food. 2. Take into consideration the temperature of the items you are adding to your heated pot. As a general rule for cooking: when ever possible, ensure that the items you are adding to a hot pot are at room temperature, rather than ice cold from the fridge; this will assist with even cooking. 3. Also, get comfortable with adjusting your heat by lowering and raising it based on what you’ve added to the pot. In general, you will need more heat at the beginning of the cooking process, and less heat towards the end. If you cook by recipe, I highly recommend that you read all the steps ahead before starting, so that you become familiarized with all the procedures, allowing you to maneuver accordingly when you start cooking. 4. At the exception of searing meat to achieve a brown crust, deep frying, or when caramelizing onions, you should be stirring your pot (I recommend using a wooden spoon) every few minutes when cooking in cast iron that is placed over high heat. If you are braising on the stove at low heat versus braising in the oven, the frequency of your stirring will need to be adjusted. No matter how you’re cooking though, a watchful eye on the pot plus stirring, should both be a habit not an afterthought. 5. For all cooking vessels in general but especially for cast iron: after cooking, allow your pot to cool down completely before cleaning. NEVER immerse a hot cast iron pot into cold water, nor pour cold dish water into hot pot. You risk not only being scald by dangerous steam, but you also risk weakening the enamel, therefore lessening the durability of your pots over time. 6. This cookware and others like it from Tramontina and Lodge are economical and if used correctly, will perform well for most cooking; if used correctly, they should also last for years. Nonetheless, if you can afford it, authentic enameled cast iron cookware made in France by Le Creuset is the best way to go. Le Creuset is the gold standard in cast iron cookware and their quality is second to none. I definitely recommend this Amazon dutch oven but if you can afford to splurge, Le Creuset's reputation is stellar. As a professional chef, I've used them in high end kitchens and their quality and performance is premier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2018

recommand products