682-W006A-00 Water Pump Impeller Kit for Yamaha 15HP | JLM Marine

682-W006A-00 Water Pump Impeller Kit for Yamaha 15HP

This comprehensive water pump impeller kit is engineered for Yamaha 15HP outboard engines from 1984 to 1995. It delivers reliable cooling system performance by providing all essential components needed for a complete water pump service, ensuring your engine operates at optimal temperature under all conditions.

This kit serves as a direct replacement for OEM part number 682-W006A-00, offering an aftermarket solution that meets original specifications for dependable performance and longevity.

• Complete kit includes impeller, gaskets, seals, thermostat, fuel filter, and gear oil pump
• Designed for straightforward installation with all necessary hardware included
• Ensures proper cooling system function and engine protection

Part Number Cross-Reference

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

Compatible Engine Models

Confirm your engine model/year in the table below. 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.

Technical Specifications

Package Contents

This complete water pump impeller kit includes the following components:

• 682-44352-03 - Water Pump Impeller × 1
• 90280-03024 - Key Woodruff × 1
• 682-44323-00 - Cartridge Outer Plate × 1
• 682-44322-00 - Insert Cup × 1
• 682-44315-A0 - Gasket × 2
• 682-44365-00 - Damper Water Seal × 1
• 97095-06040 - Bolt × 4
• 61N-24560-00 - Fuel Filter × 1
• 6E5-12411-30 - Thermostat × 1
• 682-12414-A1 - Thermostat Gasket × 1
• 90430-08020 - Drain Gasket × 4
• 91490-30025 - Cotter Pin × 1
• 24OP149 - Gear Oil Pump × 1

Note: Ensure all components are inspected before installation. Replace any worn or damaged parts immediately.

Installation Guide

1. Disconnect the fuel line and remove the lower unit from the outboard motor following your engine's service manual.
2. Remove the water pump housing cover by unscrewing the mounting bolts. Inspect the housing for corrosion or damage.
3. Carefully remove the old impeller from the shaft, noting the direction of the blade rotation.
4. Clean the pump housing and shaft thoroughly, removing any debris, old gasket material, or corrosion buildup.
5. Lubricate the new impeller with water pump grease or soapy water to ease installation.
6. Install the new impeller onto the shaft with blades oriented in the correct rotation direction. Insert the Woodruff key into the shaft slot.
7. Position the insert cup and cartridge outer plate according to the alignment marks or manufacturer instructions.
8. Install the new gaskets and damper water seal, ensuring proper seating without twisting or folding.
9. Replace the thermostat and thermostat gasket in the designated housing location.
10. Reassemble the water pump housing cover using the new bolts and drain gaskets; torque to specification.
11. Install the fuel filter and secure the cotter pin in the designated location per your engine diagram.
12. Reinstall the lower unit, fill with fresh gear oil using the included oil pump, and test the cooling system by running the engine in water.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Yamaha 15HP engine?
A: Verify your engine's year falls between 1984 and 1995. Cross-reference the OEM part number 682-W006A-00 with your engine's parts diagram or service manual to ensure compatibility.

Q: How often should I replace the water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2-3 years or 200-300 hours of operation, whichever comes first. If you notice overheating, reduced water flow from the telltale, or visible impeller damage, replace it immediately regardless of service interval.

Q: What are the signs that my water pump is failing?
A: Common symptoms include overheating alarms, weak or no water stream from the telltale indicator, steam from the engine, or loss of power. Inspect the impeller if any of these occur.

Q: Can I reuse the old gaskets and seals?
A: No, always replace gaskets and seals during water pump service. Reusing old gaskets can lead to leaks, improper sealing, and potential engine damage from overheating.

Q: What's the difference between this kit and the OEM version?
A: This is an aftermarket replacement kit manufactured to OEM specifications using comparable materials. It provides the same fit and function as the original Yamaha kit at a more competitive price point, and is produced in an ISO9002-certified facility with rigorous quality control.

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.