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

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

This high-quality water pump impeller is engineered for Yamaha 4-stroke outboard motors from 75 HP to 100 HP, covering model years 1999–2005. It ensures reliable cooling system performance across F75, F80, F90, and F100 engines, including Jet Drive variants.

This impeller directly replaces Yamaha OEM part numbers 67F-44352-00, 67F-44352-01, and multiple aftermarket equivalents including GLM Marine 89624, CEF Marine 500364, Sierra 18-3042, and Mallory 9-45612.

• 6-blade design for optimal water flow and cooling efficiency
• Precision-molded rubber construction for durability and reliable sealing
• Essential maintenance component to prevent engine overheating

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 package includes:

• Water Pump Impeller (1 piece)

Installation Guide

1. Disconnect the fuel line and remove the engine cowling to access the lower unit.
2. Remove the water pump housing bolts and carefully separate the housing from the lower unit.
3. Extract the old impeller from the pump housing using needle-nose pliers if necessary. Note the direction of the blade rotation.
4. Clean the pump housing thoroughly, removing all debris, old gasket material, and corrosion.
5. Apply marine-grade grease to the new impeller blades and shaft bore to ease installation and provide initial lubrication.
6. Insert the new impeller into the housing, ensuring blades are oriented in the correct rotational direction (typically opposite to shaft rotation).
7. Align the impeller with the drive pin slot and gently press it into place until fully seated.
8. Replace the pump housing gasket with a new one and apply a thin layer of gasket sealant if recommended by your service manual.
9. Reinstall the pump housing onto the lower unit, ensuring proper alignment of all components.
10. Torque all housing bolts to manufacturer specifications in a cross-pattern sequence to ensure even sealing pressure.
11. Reconnect the fuel line and reinstall the engine cowling securely.
12. Test the cooling system by running the engine in a test tank or on-water, verifying strong water flow from the telltale indicator.

Troubleshooting & FAQ

Q: How do I know if my impeller needs replacement?
A: Common signs include engine overheating, weak or no water flow from the telltale indicator, steam from the engine, or visible damage to the impeller blades such as cracking, missing pieces, or deformation. Yamaha recommends inspecting the impeller annually and replacing it every 2–3 years or 200–300 hours of operation, whichever comes first.

Q: How do I confirm this impeller fits my specific Yamaha engine?
A: Cross-reference your engine model and year with the compatibility table above. You can also verify using your engine's serial number via the Yamaha Serial Number Guide linked in this listing, or compare the dimensions (blade count, height, diameter, shaft bore) with your existing impeller.

Q: What happens if I install the impeller in the wrong rotational direction?
A: Installing the impeller with blades oriented incorrectly will result in little to no water flow, causing rapid engine overheating and potential damage. Always note the direction of the original impeller's blades before removal, and consult your service manual if uncertain.

Q: Can I reuse the old gasket and hardware?
A: No, always replace the pump housing gasket with a new one to ensure a proper seal. Reusing old gaskets can lead to water leaks and air intrusion, reducing pump efficiency and risking engine damage.

Q: Is this an OEM part or aftermarket replacement?
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.