Water Pump Impeller Kit – Fits Honda Marine Outboard 35–50 HP (Replaces 06193-ZV5-020)

Water Pump Impeller Kit – Fits Honda Marine Outboard 35–50 HP

This complete water pump rebuild kit is specifically designed for Honda 4-Stroke BF35A, BF40A, BF40D, BF45A, BF50A, and BF50D outboard engines from all production years. It serves as a direct aftermarket replacement for the original manufacturer's parts, ensuring proper fit and function for a complete overhaul of your water pump assembly.

This kit restores the performance of your engine's cooling system, preventing overheating and ensuring reliability on the water. All components are engineered from marine-grade materials to meet or exceed OEM specifications for durability and longevity.

• Installation Type: Direct replacement for OEM components.
• Fitment: Covers all years for Honda BF35A, BF40A, BF40D, BF45A, BF50A, and BF50D models.
• Complete Kit: Includes a new impeller, housing, gaskets, seals, and all necessary hardware for a full service.

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

• 1 x Water Pump Impeller (19210-ZV5-003)
• 1 x Impeller Housing (19221-ZV5-000)
• 1 x Housing Insert (19223-ZV5-000)
• 1 x Impeller Cover Plate (19231-ZV5-000)
• 2 x Impeller Gasket (19233-ZV5-000)
• 1 x Pump Gasket (19242-ZV5-000)
• 1 x Water Tube Seal (19253-ZV5-000)
• 1 x Seal (91356-ZV5-000)
• 1 x Impeller Key, Driveshaft (90752-ZV5-003/90752-ZV5-000)
• 4 x Distance Collar (91555-ZV5-000)
• 4 x Bolt (90103-ZY1-000)
• 1 x O-Ring (91356-ZV5-000)

Installation Guide

1. Disconnect the battery and shift the outboard into the neutral position.
2. Remove the lower unit (gearcase) by unbolting it from the engine's midsection.
3. Locate and unbolt the water pump housing cover to expose the old impeller.
4. Remove the old impeller, gaskets, seals, and housing components. Note their orientation.
5. Clean all mating surfaces thoroughly, removing any old gasket material or corrosion.
6. Install the new gaskets, seals, and wear plates from the kit.
7. Apply a lubricant (silicone grease, glycerin, or dish soap) to the inside of the new housing and the new impeller.
8. Install the new impeller, making sure to turn the driveshaft clockwise to bend the vanes in the correct direction.
9. Reassemble the housing and torque the bolts to the manufacturer's specified values.
10. Reinstall the lower unit, ensuring the water tube and driveshaft are correctly aligned.
11. Reconnect the battery and test the engine using a water supply (flushing muffs or in water) to confirm proper water flow.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Honda engine?
A: This kit is designed for Honda 4-Stroke outboards from 35 HP to 50 HP, including models BF35A, BF40A, BF40D, BF45A, BF50A, and BF50D for all production years. You can verify fitment by matching your model to the "Compatible Engine Models" table or by cross-referencing your existing part number with those listed in the "Part Number Cross-Reference" table.

Q: What are the signs that my water pump impeller needs replacing?
A: Common signs of a failing impeller include a weak or inconsistent stream of water from the tell-tale port, engine overheating alarms, and visible cracks or stiffness in the impeller vanes upon inspection. Reduced cooling performance can cause serious engine damage.

Q: How often should I replace the water pump impeller?
A: For preventative maintenance, it is recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of operation, depending on usage conditions. If you operate in saltwater or sandy/silty conditions, more frequent replacement is advised.

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.