63V-W006A-00 Water Pump Repair Kit for Yamaha 9.9HP 15HP 2-Cylinder | JLM Marine

Water Pump Repair Kit – Fits Yamaha 9.9HP 15HP 2-Cylinder Outboards (1996-2016)

This comprehensive water pump repair kit is designed for Yamaha 9.9HP and 15HP 2-cylinder outboard motors manufactured between 1996 and 2016. It provides all essential components needed to restore your engine's cooling system to optimal performance, ensuring reliable operation on the water.

This kit directly replaces OEM part number 63V-W006A-00, delivering a complete solution for water pump maintenance and repair.

• Includes 14 critical components: impeller, housing, seals, thermostat, fuel filter, anode, and more
• Complete repair solution with all gaskets, fasteners, and wear plates included
• Covers routine maintenance and full water pump rebuilds

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 repair kit includes 14 essential components for a thorough rebuild:

• 63V-44322-00 - Cup, Insert × 1
• 63V-44323-00 - Plate, Wear × 2
• 63V-44352-00 - Impeller × 1
• 647-44366-00 - Water Seal Damper × 1
• 664-44338-00 - Key × 1
• 97095-08045 - Bolt × 4
• 63V-44301-00 - Housing, Water Pump × 1
• 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
• 61N-45251-01 - Anode × 1
• 24OP149 - Gear Oil Pump × 1

Installation Guide

1. Disconnect the fuel line and remove the lower unit from the outboard motor following your service manual's instructions.
2. Remove the old water pump housing by unscrewing the mounting bolts and carefully separating it from the driveshaft housing.
3. Clean all mating surfaces thoroughly to remove old gasket material, debris, and corrosion using a gasket scraper and solvent.
4. Install the new wear plates (63V-44323-00) on both sides of the impeller pocket, ensuring proper alignment.
5. Lubricate the new impeller (63V-44352-00) with water pump grease or glycerin. Insert the impeller onto the driveshaft with blades oriented in the correct rotation direction.
6. Install the insert cup (63V-44322-00) and drive key (664-44338-00) into position, securing the impeller assembly.
7. Position the new water pump housing (63V-44301-00) over the impeller, carefully folding the blades as you slide it into place.
8. Install the water seal damper (647-44366-00) and secure the housing with the provided bolts (97095-08045), torquing to manufacturer specifications.
9. Replace the drain gaskets (90430-08020) and install the new anode (61N-45251-01) to prevent galvanic corrosion.
10. Install the new thermostat (6E5-12411-30) with its gasket (682-12414-A1) into the thermostat housing, ensuring the temperature-sensing element faces the correct direction.
11. Replace the fuel filter (61N-24560-00) and install the gear oil pump (24OP149) according to service manual procedures.
12. Reassemble the lower unit to the motor, reconnect fuel lines, refill gear oil, and test the cooling system by running the engine in a test tank or on muffs.

Troubleshooting & FAQ

Q: How do I confirm this water pump kit fits my Yamaha outboard?
A: Verify your engine is a Yamaha 9.9HP or 15HP 2-cylinder model manufactured between 1996 and 2016. Cross-reference your existing part number with OEM number 63V-W006A-00, or use the Yamaha serial number guide linked above to identify your engine model year.

Q: How often should I replace my water pump impeller and components?
A: Yamaha recommends inspecting the water pump annually and replacing the impeller every 2-3 years or 200-300 hours of operation, whichever comes first. If you notice overheating, reduced water flow, or poor performance, replace the kit immediately regardless of service interval.

Q: What are the signs my water pump is failing?
A: Common symptoms include engine overheating, steam from the engine, weak or no water discharge from the telltale (pee hole), reduced performance, and alarm activation. If you experience any of these issues, inspect and replace the water pump components promptly to prevent engine damage.

Q: Does this kit include the thermostat and fuel filter?
A: Yes, this is a comprehensive kit that includes not only the standard water pump components (impeller, housing, seals, gaskets) but also a thermostat with gasket, fuel filter, anode, and gear oil pump—providing exceptional value for complete lower unit maintenance.

Q: What's the difference between this aftermarket kit and the OEM Yamaha kit?
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.