Water Pump Impeller Kit – Fits Johnson/Evinrude 8-15 HP (Replaces 394711)
SKU: 90758549254

Water Pump Impeller Kit – Fits Johnson/Evinrude 8-15 HP (Replaces 394711)

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Description

Water Pump Impeller Kit – Fits Johnson/Evinrude 8-15 HP (Replaces 394711)Water Pump Impeller Kit Fits Johnson Evinrude 8 15 HP (Replaces 394711) This water pump impeller kit is designed for Johnson and Evinrude 2 stroke and 4 stroke outboard engines. It provides a reliable solution for maintaining your engine's cooling system, ensuring optimal performance and preventing overheating. The kit is engineered to fit 8 15 HP 2 Stroke engines (1974 UP) and 9. 9 15 HP 4 Stroke engines (1995 2001). This kit serves as a direct

Water Pump Impeller Kit – Fits Johnson/Evinrude 8-15 HP (Replaces 394711)

This water pump impeller kit is designed for Johnson and Evinrude 2-stroke and 4-stroke outboard engines. It provides a reliable solution for maintaining your engine's cooling system, ensuring optimal performance and preventing overheating. The kit is engineered to fit 8-15 HP 2-Stroke engines (1974-UP) and 9.9-15 HP 4-Stroke engines (1995-2001).

This kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Sierra 18-3327, Johnson/Evinrude 394711, 386697, 387610, 389112, and 391698. Important: It does not fit Johnson rebranded Suzuki outboards (2002-2007) or Bombardier-branded 4-stroke engines.

  • Installation Type: Direct Replacement
  • Impeller Design: 6-fin neoprene impeller for efficient water flow.
  • Kit Contents: Includes impeller, wear plate, pump cup, housing, gaskets, and all necessary hardware for a complete overhaul.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Brand Part Number
Johnson/Evinrude 394711 / 386697 / 387610 / 389112 / 391698
Sierra 18-3327
GLM 12050
Mallory 9-48201

Compatible Engine Models

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

Brand Model Rated HP Stroke Years OEM Part No. Notes
Johnson Outboard 8 2-Stroke 1974-UP 394711 Some models only
Johnson Outboard 9.5 2-Stroke 1974-UP 394711 Some models only
Johnson Outboard 9.9 2-Stroke 1974-UP 394711
Johnson Outboard 10 2-Stroke 1974-UP 394711 Some models only
Johnson Outboard 15 2-Stroke 1974-UP 394711
Evinrude Outboard 8 2-Stroke 1974-UP 394711 Some models only
Evinrude Outboard 9.9 2-Stroke 1974-UP 394711
Evinrude Outboard 10 2-Stroke 1974-UP 394711
Evinrude Outboard 15 2-Stroke 1974-UP 394711
Johnson/Evinrude Outboard 9.9 4-Stroke 1995-2001 394711
Johnson/Evinrude Outboard 15 4-Stroke 1995-2001 394711

Technical Specifications

Specification Value
Product Type Water Pump Impeller Kit
Installation Direct Replacement
Housing Material Brass/Metal
Impeller Diameter Approximately 1-1/2" (38.1 mm)
Weight Approximately 0.20 kg (7 oz)
Other Technical Attributes 6-fin neoprene impeller design

Package Contents

  • 1 x Impeller (386084)
  • 1 x Impeller Key (300611)
  • 1 x Wear Plate (318995/18-3178)
  • 1 x Pump Cup (324097/18-3179)
  • 1 x Pump Housing (435390/18-3180)
  • 3 x Grommet (338908/302497/327035/18-3329/18-2392)
  • 2 x O-Ring (202893/319085/18-7116/18-7139)
  • 1 x Pin (18-3326)
  • 4 x Installation Bolt (302325/18-3369)

Installation Guide

  1. Disconnect Power: Disconnect the battery and spark plug wires to prevent accidental starting.
  2. Access Lower Unit: Drain the gearcase oil and detach the lower unit (gearcase) from the outboard's midsection.
  3. Remove Old Pump: Locate the water pump assembly on top of the lower unit. Unbolt and remove the old pump housing and components.
  4. Clean Surfaces: Thoroughly clean the mounting surfaces, removing any old gasket material or corrosion.
  5. Install New Components: Assemble the new kit components in reverse order, starting with the wear plate, gaskets, and pump cup.
  6. Install Impeller: Slide the new impeller onto the driveshaft, ensuring the key is in place and rotating the shaft clockwise to seat the fins correctly inside the housing.
  7. Secure Housing: Install the new housing and tighten the bolts to the manufacturer's recommended torque specifications.
  8. Reassemble & Test: Reattach the lower unit, refill the gearcase oil, and reconnect the battery/spark plugs. Test the engine in water to verify proper water output from the tell-tale port.

Troubleshooting & FAQ

How do I confirm this fits my engine?
Start by checking your engine's model, horsepower, and year against the "Compatible Engine Models" table. Be sure to check the notes, as some models have exceptions. Cross-reference the part number with your existing part or service manual. Pay close attention to the exclusion note: this kit does not fit Johnson-rebranded Suzuki engines (2002-2007) or Bombardier 4-strokes.
What are the signs my impeller needs replacement?
Common signs include a weak or non-existent water stream from the "tell-tale" outlet, engine overheating alarms, or a noticeable decrease in cooling performance. It is recommended to replace the impeller every 1-2 years or every 100-200 hours of use, regardless of visible wear.
Does this kit fit 4-stroke models?
Yes, this kit is compatible with specific Johnson/Evinrude 9.9 HP and 15 HP 4-stroke outboard models from 1995 to 2001. It is not compatible with later Bombardier-branded 4-strokes.
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 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: 90758549254

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Amazon Customer
Carnegie, US
★★★★★ 5
Great customer service
Stong headwind caused front straps to pop off and broke/bent frame. They replaced frame tubes with no hassle! Very impressed!
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Reviewed in the United States on December 22, 2024
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S.
Chelsea, US
★★★★★ 5
As shown
Nice kit. Simple to assemble, simply packed, good weight for the metal and the shade cloth. Actual width between attachment points is 44 inches. Tubing goes together with those push button things like on aluminum table legs. Priced commensurate with quality.
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Reviewed in the United States on September 17, 2024
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Larry Sable
Lake Worth, US
★★★★★ 5
Very ridged!
I put this on my can am outlander 850 and it was not a hard job to install it. Shade cloth is nice and so far holding up good to what I put it through. Tubing has the push buttons so putting it all together is pretty easy. I had to make some clips myself to get the install right but it was no big deal. 5 stars!!
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Reviewed in the United States on October 26, 2024
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Gabriela Valenzuela
Belleville, US
★★★★★ 5
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Quedaron muy bien
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Reviewed in the United States on May 8, 2026
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Shelly Guehne
Waukegan, US
★★★★★ 5
Good
Look great had to some some wire ring to get the DRL to just work
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Reviewed in the United States on September 14, 2025

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