19210-ZY3-003 Water Pump Impeller for Honda BF175A BF200A BF225A BF250A | JLM Marine

Water Pump Impeller with Key 19210-ZY3-003 – Fits Honda BF175A BF200A BF225A BF250A Outboard

This premium water pump impeller with key is engineered for Honda Marine outboard engines ranging from 175 HP to 250 HP. Designed to replace OEM part number 19210-ZY3-003, this impeller ensures reliable cooling performance across multiple BF-series models including BF175A, BF200A, BF225A, and BF250A variants.

This impeller directly replaces Honda Marine 19210-ZY3-003, Sierra Marine 18-3031, Mallory Marine 9-45106, and CEF 500391, providing broad cross-brand compatibility for your cooling system maintenance needs.

• Constructed from neoprene and hardened nylon for durability and heat resistance
• Includes impeller key for complete installation
• 6-blade design optimizes water flow and cooling efficiency

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.

Technical Specifications

Package Contents

• Outboard Impeller with Key

Installation Guide

1. Disconnect the battery and remove the lower unit from the outboard motor according to your engine's service manual.
2. Locate the water pump housing and remove the retaining bolts or screws securing the pump cover.
3. Carefully extract the old impeller from the pump housing. Inspect the housing for debris, wear, or corrosion and clean thoroughly.
4. Lubricate the new impeller blades with a glycerin-based lubricant or soapy water (never petroleum-based products).
5. Insert the impeller key into the drive shaft slot, ensuring it is properly seated.
6. Install the new impeller into the housing, rotating it in the correct direction as indicated by the blade curvature. Ensure all blades are properly positioned inside the housing.
7. Reinstall the water pump cover and torque retaining bolts to manufacturer specifications.
8. Reassemble the lower unit to the outboard motor, following torque specifications for all mounting bolts.
9. Reconnect the battery and perform a water test to verify proper cooling system operation and water discharge from the tell-tale outlet.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Honda outboard?
A: Cross-reference your engine model with our compatibility table above. Verify that your model number (e.g., BF200A3, BF225AK1) matches one of the listed variants. You can also compare the OEM part number stamped on your current impeller with 19210-ZY3-003.

Q: How often should I replace my water pump impeller?
A: Honda recommends inspecting the impeller annually and replacing it every 2–3 years or every 300–400 operating hours, whichever comes first. If you frequently operate in sandy, debris-filled, or shallow water, more frequent replacement may be necessary.

Q: What are the signs that my impeller is failing?
A: Common symptoms include engine overheating, reduced or no water flow from the tell-tale (pee hole), steam from the engine cover, or a high-temperature warning alarm. If you notice any of these signs, stop the engine immediately and inspect the impeller.

Q: Can I install this impeller myself, or do I need a professional?
A: If you have mechanical experience and the proper tools, you can replace the impeller yourself by following the installation guide and your engine's service manual. However, professional installation is recommended to ensure correct torque specifications and proper reassembly.

Q: What type of lubricant should I use when installing the impeller?
A: Always use a glycerin-based lubricant or soapy water to lubricate the impeller blades during installation. Never use petroleum-based lubricants (grease, oil), as they can damage the neoprene material and cause premature failure.

Q: Is this an OEM or aftermarket impeller?
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.