67F-44352 Water Pump Impeller for Yamaha F75 F80 F90 F100 | JLM Marine

Water Pump Impeller for Yamaha F75 F80 F90 F100 Outboard Motors

This high-quality aftermarket water pump impeller is designed to fit Yamaha 4-stroke outboard motors from 75 HP to 100 HP, manufactured between 1999 and 2005. It directly replaces OEM part number 67F-44352-00-00 and cross-references with multiple aftermarket brands including GLM Marine, CEF Marine, Sierra, and Mallory Marine, ensuring broad compatibility and reliable performance.

Engineered to meet OEM specifications, this impeller ensures optimal water flow and cooling efficiency for your Yamaha outboard. The package includes both the rubber impeller and the drive key/pin for complete installation convenience.

• Complete kit with impeller and drive key/pin included
• 6-blade design for efficient water circulation
• Direct replacement for Yamaha 4-stroke outboards 75-100 HP

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

Your package includes:

• Outboard Rubber Impeller with Key / Pin

Installation Guide

1. Disconnect the engine and ensure it is cool before beginning work. Remove the lower unit from the outboard motor following your engine's service manual.
2. Remove the water pump housing bolts and carefully separate the housing from the pump base. Take note of the orientation of the old impeller.
3. Remove the old impeller from the pump shaft, taking care not to damage the shaft or housing. Inspect the pump housing and plate for wear or damage.
4. Clean all surfaces thoroughly, removing any debris, old gasket material, or corrosion from the pump housing and base plate.
5. Lubricate the new impeller with glycerin or soapy water (never use petroleum-based products). Do not use grease or oil.
6. Install the drive key/pin into the shaft slot, ensuring it is properly seated and aligned.
7. Carefully insert the new impeller onto the shaft, ensuring the blades are oriented in the correct direction (typically clockwise rotation when viewed from above).
8. Gently rotate the impeller by hand to ensure it turns freely and all blades flex properly within the housing.
9. Reinstall the water pump housing, aligning it carefully to avoid damaging the impeller blades. Tighten bolts to manufacturer's specifications in a cross pattern.
10. Reinstall the lower unit to the outboard motor, ensuring all seals and gaskets are properly positioned.
11. Reconnect all hoses and components, then test the cooling system by running the engine in a test tank or on muffs. Verify strong water flow from the indicator port.
12. Check for leaks around the pump housing and ensure the engine maintains proper operating temperature during the test run.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Yamaha engine?
A: Check the Compatible Engine Models table above for your specific model and year. You can also cross-reference your existing impeller's part number with the part numbers listed in our cross-reference table, or consult your engine's service manual.

Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2-3 years or 300-400 hours of operation, whichever comes first. If you frequently operate in sandy or debris-filled water, inspect and replace more frequently.

Q: What are the signs that my impeller is failing?
A: Common symptoms include reduced water flow from the indicator port, engine overheating, weak or intermittent water stream, or visible damage such as missing or cracked impeller blades during inspection.

Q: Why is the drive key/pin important?
A: The drive key or pin connects the impeller to the drive shaft, ensuring synchronized rotation. Without it properly installed, the impeller will not turn, and your cooling system will fail.

Q: Can I use petroleum-based lubricants when installing this impeller?
A: No, never use grease, oil, or petroleum-based products on rubber impellers. Use only glycerin, liquid dish soap, or specialized impeller lubricant to prevent rubber degradation.

Q: What's the difference between OEM and aftermarket impellers?
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.