jlm marine hydrofoil stabilizer for 5-150 hp outboard stern drive, pair of black textured triangular plastic foils with mounting indentations and raised ridges
hydrofoil-stabilizer for 5-150 hp outboard and stern drive jlm marine dark gray wing-like trim tab mounted on outboard lower unit gearbox above silver three-bladed propeller
close-up photo jlm marine stainless steel flange head bolts with nuts for 5-150 hp outboard
hydrofoil stabilizer jlm marine for 5-150 hp outboard stern drive black triangular fins with screw holes kit
photo hydrofoil stabilizer jlm marine for 5-150hp outboard stern drive 8-1/4 inch length showing two red markings and water droplets on textured dark plate
photo of jlm marine hydrofoil stabilizer for 5-150 hp outboard, two black triangular plastic fins with pebbled texture and diagonal ridges, two screw holes
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard brown
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard and stern drive, dark cylindrical shape, spiral groove, sharp angled tip
jlm marine hydrofoil stabilizer for 5-150 hp outboard stern drive, pair of black textured triangular plastic foils with mounting indentations and raised ridges
hydrofoil-stabilizer for 5-150 hp outboard and stern drive jlm marine dark gray wing-like trim tab mounted on outboard lower unit gearbox above silver three-bladed propeller
close-up photo jlm marine stainless steel flange head bolts with nuts for 5-150 hp outboard
hydrofoil stabilizer jlm marine for 5-150 hp outboard stern drive black triangular fins with screw holes kit
photo hydrofoil stabilizer jlm marine for 5-150hp outboard stern drive 8-1/4 inch length showing two red markings and water droplets on textured dark plate
photo of jlm marine hydrofoil stabilizer for 5-150 hp outboard, two black triangular plastic fins with pebbled texture and diagonal ridges, two screw holes
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard brown
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard and stern drive, dark cylindrical shape, spiral groove, sharp angled tip

Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 5-150 HP (Dorsal Fin Style)

Vendor: JLM Marine
Availability: In Stock
Product Type: Hydrofoil Stabilizer
$32.36
$32.36
Subtotal: $32.36

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jlm marine hydrofoil stabilizer for 5-150 hp outboard stern drive, pair of black textured triangular plastic foils with mounting indentations and raised ridges

Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 5-150 HP (Dorsal Fin Style)

$32.36
jlm marine hydrofoil stabilizer for 5-150 hp outboard stern drive, pair of black textured triangular plastic foils with mounting indentations and raised ridges
hydrofoil-stabilizer for 5-150 hp outboard and stern drive jlm marine dark gray wing-like trim tab mounted on outboard lower unit gearbox above silver three-bladed propeller
close-up photo jlm marine stainless steel flange head bolts with nuts for 5-150 hp outboard
hydrofoil stabilizer jlm marine for 5-150 hp outboard stern drive black triangular fins with screw holes kit
photo hydrofoil stabilizer jlm marine for 5-150hp outboard stern drive 8-1/4 inch length showing two red markings and water droplets on textured dark plate
photo of jlm marine hydrofoil stabilizer for 5-150 hp outboard, two black triangular plastic fins with pebbled texture and diagonal ridges, two screw holes
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard brown
photo of JLM Marine hydrofoil stabilizer for 5-150 hp outboard and stern drive, dark cylindrical shape, spiral groove, sharp angled tip

Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 5-150 HP (Dorsal Fin Style)

$32.36
Description

Hydrofoil Stabilizer – Fits Outboard Motors & Stern Drives 5-150 HP (Dorsal Fin Style)

This universal hydrofoil stabilizer is designed for 5-150 HP outboard motors and stern drives, suitable for most boats up to 200 HP. It features a dorsal fin design and is constructed from high-strength, reinforced Nylon PA66 plastic to improve performance and stability.

This part is a direct replacement for Uanofcn FO2001 and SeaSierra 19HS.

  • Installation Method: Bolt-on (drilling is required).
  • Material: Marine-grade, UV-Resistant Reinforced Nylon PA66 Plastic.
  • Package Includes: Hydrofoil, stainless steel mounting hardware, and installation drill bit.

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Type Rated HP Application Notes
All Brands Outboard Motors 5-150 HP Universal fit Not compatible with Volvo Penta 280/290 outdrives and BMW Outdrives for engines over 50HP
All Brands Stern Drives 5-150 HP Universal fit Compatible with Volvo Penta 270 outdrive
All Brands Outboards/Outdrives Up to 200 HP Universal fit Performance may vary based on boat configuration

Technical Specifications

Product Type Hydrofoil Stabilizer, Dorsal Fin Style
Installation Bolt-on (drilling required)
Housing Material Reinforced Nylon PA66 Plastic
Housing Color Black
Dimensions H: 10-1/4 inches (260 mm), W: 8-1/4 inches (210 mm)
Fitting Type Bolt-on with stainless steel hardware
Compatible HP Range 5-150 HP (up to 200 HP)
Other Technical Attributes UV-Resistant, Marine-grade construction

Package Contents

  • 1 x Hydrofoil Stabilizer (Dorsal Fin Style)
  • 4 x Sets of Stainless Steel Screws and Nuts
  • 1 x Installation Instruction
  • 1 x Drill for easy installation

Explosion Diagram

Explosion Diagram

Installation Guide

  1. Align the clip of the Hydrofoil Stabilizer with your outboard motor's lower beam (cavitation plate).
  2. Tap the fin in gently with a rubber mallet or a piece of wood to secure its position.
  3. Adjust the position and use the provided drill to create four holes. Try to ensure the hole positions are straight.
  4. Install the screw washers, screws, and nuts to firmly attach the hydrofoil.

Troubleshooting & FAQ

How do I confirm this fits my engine?
This is a universal hydrofoil for most 5-150 HP outboard motors and stern drives. Please check the compatibility table for specific exclusions, such as certain Volvo Penta (280/290) and BMW outdrives on engines over 50HP. It is compatible with the Volvo Penta 270 outdrive.

Is drilling required for installation?
Yes, this is a bolt-on hydrofoil that requires drilling four holes into the anti-cavitation plate of your lower unit. We include stainless steel mounting hardware and a drill bit to simplify the process.

What material is this hydrofoil made from?
It is manufactured from a high-strength, UV-resistant reinforced Nylon PA66 plastic, ensuring durability and longevity in demanding marine conditions.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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

We can ship to virtually any address in the world with free shipping available for most regions.

For our typical US and Canadian customers , our shipping timeframes are as follows:

  • Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
  • US warehouse shipment: orders will be delivered within 5 days after placing the order.
  • China warehouse shipment: orders will be delivered about 12 days after placing the order.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

About JLM Marine

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.

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