19210-ZV5-003 Water Pump Impeller for Honda BF35AM BF40A BF40A1 BF40A2 BF40A3 BF40A4 BF40AX BF40AY BF40B BF40B2 BF40BX BF40D BF40DK2 BF40DK4 BF40E BF45AM BF50A BF50A1 BF50A2 BF50A3 BF50AX BF50AY BF50D BF50DK4 BF60A BF60AK1 BFP60A BFP60AK1 | JLM Marine

Water Pump Impeller for Honda 35HP–60HP Outboard Motors – OEM 19210-ZV5-003

This premium water pump impeller is engineered to fit a wide range of Honda outboard engines from 35HP to 60HP, including BF35AM, BF40A (all variants), BF45AM, BF50A (all variants), BF60A, and BFP60A series. Designed as a direct replacement for Honda OEM part number 19210-ZV5-003, this impeller ensures reliable cooling system performance across multiple model years—from pre-1997 motors through 2007 and later.

Built to OEM specifications, this aftermarket impeller delivers dependable water flow to protect your engine from overheating. Whether you're performing routine maintenance or emergency repairs, this component provides a cost-effective solution without compromising quality or fitment.

• Complete package: Includes rubber impeller with key/pin for straightforward installation
• Fits Honda 4-stroke outboard models: BF35AM, BF40A series, BF45AM, BF50A series, BF60A, and BFP60A
• Direct replacement for OEM 19210-ZV5-003, ensuring precise fit and function

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

Your purchase includes:

• Outboard Rubber Impeller with Key/Pin

Installation Guide

1. Preparation: Disconnect the fuel line and remove the propeller for safety. Ensure the engine is cool and stable on a stand.
2. Access the water pump: Remove the lower unit from the outboard engine following your service manual. This typically requires draining the gear oil first.
3. Remove the pump housing: Unbolt the water pump housing to expose the old impeller. Take note of the impeller's orientation and blade direction.
4. Extract the old impeller: Carefully pull the worn impeller off the drive shaft. If stuck, use impeller removal pliers or gently pry it free.
5. Clean the housing: Remove all debris, old gasket material, and corrosion from the pump housing and base plate. Inspect for cracks or damage.
6. Lubricate the new impeller: Coat the new impeller blades with water-resistant marine grease or glycerin to ease installation and prevent tearing.
7. Install the key/pin: Insert the drive key or pin into the impeller hub slot, ensuring it seats securely and aligns with the shaft keyway.
8. Mount the impeller: Slide the impeller onto the drive shaft, rotating it gently so the key engages properly. Ensure blades flex in the correct direction per your service manual.
9. Reassemble the pump housing: Replace gaskets with new ones, then reattach the housing and torque bolts to manufacturer specifications.
10. Reinstall the lower unit: Align the drive shaft and water tube carefully, then bolt the lower unit back in place. Refill gear oil to the proper level.
11. Test the cooling system: Start the engine with the lower unit submerged or using flushing muffs. Verify strong, steady water discharge from the tell-tale outlet.
12. Final inspection: Check for leaks around the pump housing and ensure smooth, vibration-free operation before returning to full service.

Troubleshooting & FAQ

Q: How do I confirm this impeller fits my Honda outboard?
A: Cross-reference your engine model and year with the compatibility table above. Your engine's model number is stamped on the mounting bracket or engine cowling. If your exact model variant appears in the table and your OEM part number is 19210-ZV5-003, this impeller will fit.

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 200–300 hours of operation, whichever comes first. Replace immediately if you notice reduced water flow, overheating, or visible blade damage during inspection.

Q: What are the signs of a failing impeller?
A: Common symptoms include weak or no water discharge from the tell-tale, engine overheating, temperature alarm activation, reduced performance, or visible debris in the cooling water. If you experience any of these, inspect and replace the impeller promptly to prevent engine damage.

Q: Will this aftermarket impeller perform as well as the Honda OEM part?
A: Yes. This impeller is manufactured to OEM specifications using comparable-grade rubber compounds. It provides equivalent water flow, durability, and fitment, offering a cost-effective alternative without sacrificing cooling performance.

Q: Do I need any special tools to install this impeller?
A: Basic hand tools (socket set, screwdrivers, torque wrench) are sufficient for most installations. Impeller removal pliers can help extract stubborn old impellers. Always refer to your Honda service manual for model-specific torque specs and procedures.

Q: Is this an OEM or aftermarket part?
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.