19210-ZV7-003 Impeller with Key for Honda BF20A BF25A BF30A | JLM Marine

19210-ZV7-003 Impeller with Key for Honda BF20A BF25A BF30A | JLM Marine

This brand-new aftermarket water pump impeller with key is engineered for Honda marine outboards rated at 20 HP, 25 HP, and 30 HP. It delivers reliable cooling performance across the BF20A, BF25A, and BF30A series, ensuring your engine runs at optimal temperature during operation.

This impeller directly replaces Honda Marine 19210-ZV7-003, as well as aftermarket equivalents including Sierra Marine 18-3249, Mallory Marine 9-45105, and CEF Marine 500339, providing broad cross-brand compatibility for easy sourcing and replacement.

• Includes drive key/pin for secure installation
• Designed for Honda 4-stroke outboard water pump systems
• Fits BF20A, BF25A, and BF30A model families

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 Rubber Impeller with Key / Pin

Installation Guide

1. Disconnect the fuel line and remove the lower unit from the outboard engine following your service manual instructions.
2. Remove the water pump housing and extract the old impeller carefully. Inspect the housing for scoring or debris.
3. Clean the pump housing and impeller chamber thoroughly with a lint-free cloth.
4. Lubricate the new impeller blades with glycerin or soapy water (never petroleum-based grease).
5. Insert the drive key/pin into the impeller shaft slot, ensuring it is fully seated.
6. Rotate the impeller blades in the correct direction of rotation and slide it onto the driveshaft.
7. Reinstall the water pump housing, aligning all gaskets and seals properly.
8. Reattach the lower unit to the engine, torquing all fasteners to manufacturer specifications.
9. Reconnect the fuel line and perform a water flow test with the engine running in a test tank or on muffs.
10. Check for leaks around the pump housing and confirm steady water discharge from the tell-tale.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Honda outboard?
A: Cross-reference your engine model (BF20A, BF25A, or BF30A series) with the compatibility table above, and verify your current impeller part number matches 19210-ZV7-003 or the aftermarket equivalents listed.

Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2–3 years or 200–300 hours of operation, whichever comes first. Replace immediately if you notice reduced water flow, overheating, or visible blade damage.

Q: What are the signs that my impeller is failing?
A: Common symptoms include weak or no water discharge from the tell-tale, engine overheating, steam from the engine, or visible cracks and missing vanes on the impeller blades during inspection.

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 install it following your engine's service manual. However, professional installation is recommended to ensure correct alignment, torque specs, and system integrity.

Q: Is this an OEM part or an 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.