Water Pump Impeller – Fits Honda BF75/BF80/BF90/BF100 Outboards (Replaces 19210-ZY9-H01)

Water Pump Impeller – Fits Honda BF75/BF80/BF90/BF100 Outboards (Replaces 19210-ZY9-H01)

This water pump impeller is a critical cooling system component for Honda BF75, BF80, BF90, and BF100 4-stroke outboard motors, ensuring proper water circulation through the engine. It is also compatible with select Tohatsu F75, BF80, BF90, and BF100 models that use the equivalent OEM part number.

This component is a direct replacement for Honda part numbers 19210-ZY9-H01, 06193-ZY9-H01, and 06192-ZY9-H00. It also replaces Tohatsu part HZY919210H01 and other aftermarket equivalents.

• Installation Method: Direct replacement for the original OEM impeller.
• Material: High-durability neoprene rubber compound.
• Primary Function: Draws water into the engine's cooling system to prevent 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.

Honda Marine

Tohatsu Marine

Technical Specifications

Package Contents

This package includes the following component:

• 1 x Water Pump Impeller (Replaces OEM Part #19210-ZY9-H01)

Please note: This listing is for the impeller only. Complete service kits, which may include additional O-rings, gaskets, and keyways, are sold separately.

Installation Guide

1. Disconnect the negative battery cable and remove the engine cover for safety.
2. Place the outboard in neutral and remove the bolts connecting the lower unit (gearcase) to the upper leg.
3. Carefully lower the gearcase away from the engine to expose the water pump assembly.
4. Unscrew the bolts on the water pump housing cover and remove it.
5. Note the rotational direction of the existing impeller vanes before sliding it off the driveshaft. Remove the drive key.
6. Clean any debris or corrosion from the pump housing interior and inspect it for scoring or warping.
7. Insert the new drive key into the driveshaft slot.
8. Align the new impeller with the keyway and slide it onto the driveshaft.
9. While turning the driveshaft clockwise, press the pump housing down over the new impeller to correctly seat the vanes.
10. Reinstall the housing cover, ensuring any gaskets are properly aligned, and tighten the bolts to specification.
11. Raise the lower unit back into position, ensuring the driveshaft and water tube align correctly, and secure it with its bolts.
12. Reconnect the battery and test the engine in water, confirming a steady tell-tale stream from the cooling system.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my engine?

A: The most reliable way is to verify your engine's model and frame serial number against the compatibility tables provided above. This impeller is a direct replacement for Honda OEM part 19210-ZY9-H01 and is designed for the specific Honda and Tohatsu models listed.

Q: What are the signs of a failing water pump impeller?

A: Common symptoms of a worn or damaged impeller include the engine overheating (especially at idle or low speeds), a weak or inconsistent water stream from the "tell-tale" outlet, or a high-temperature warning alarm from your engine's monitoring system.

Q: How often should the water pump impeller be replaced?

A: As a preventative maintenance item, it is best practice to inspect the impeller annually. We recommend replacing it every 1-2 years or every 100-200 hours of operation, whichever comes first, to ensure reliable engine cooling.

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.