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Honda BF9.9/BF15 Water Pump Impeller – Replaces OEM 19210-ZV4-013

Regular price $13.75

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U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


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Product Details

This aftermarket water pump impeller is designed for selected 4-stroke Honda Marine BF9.9 and BF15 outboards in the AH, AK, AM and AW series, including the 14ZV40M series designation. It is supplied as a single replacement impeller for restoring water-pump circulation and helping maintain proper engine cooling.

The impeller replaces Honda OEM part number 19210-ZV4-013. It is also listed with aftermarket reference Sierra 18-3246. Verify the complete engine model and the original impeller before ordering; model names alone may not confirm fitment.

  • Replacement water pump impeller for selected Honda BF9.9 and BF15 4-stroke outboards.
  • Fits AH, AK, AM and AW series applications identified under series 14ZV40M.
  • Single impeller replacement, not a complete water-pump assembly or repair kit.
  • Aftermarket replacement for the specified Honda OEM reference.

Part Number References

Use these references together with your exact engine model and original part for identification.

Brand or Source Part Number Reference Type
Honda 19210-ZV4-013 OEM reference
Sierra 18-3246 Aftermarket reference
Mallory Marine 9-45101 Aftermarket reference listed for this product

Engine & Model Compatibility

This impeller is listed for the following Honda Marine outboard application group:

Brand Model Family Rated Horsepower Stroke Series OEM Reference
Honda Marine BF9.9 AH, AK, AM and AW 9.9 HP 4-Stroke 14ZV40M 19210-ZV4-013
Honda Marine BF15 AH, AK, AM and AW 15 HP 4-Stroke 14ZV40M 19210-ZV4-013

Important: The company fitment information identifies the BF9.9 and BF15 AH, AK, AM and AW series under 14ZV40M. Year, shaft length and serial-number limits were not specified in the product record, so confirm the model code and the physical dimensions of your original impeller before installation.

Technical Specifications

Product Type
Water pump impeller
Construction
Rubber impeller with an integrated hub
Installation
Replacement component for the original water-pump impeller
Approximate Dimensions
Diameter: 41 mm; overall thickness: approximately 27.5 mm; hub dimension: approximately 14.2 mm
OEM Reference
Honda 19210-ZV4-013
Aftermarket References
Sierra 18-3246; Mallory Marine 9-45101

What's in the Box

  • 1 x Water pump impeller

The package contains the impeller only. A water-pump housing, wear plate, seals, cover, bolts and other service parts are not included unless separately stated.

Installation Notes

  1. Turn the engine off, remove the ignition key and follow the manufacturer's safety procedure before beginning work.
  2. Disconnect the battery if required by the engine service procedure.
  3. Remove the lower unit according to the applicable Honda service instructions.
  4. Remove the water-pump cover and take note of the existing impeller orientation before removing the old impeller.
  5. Inspect the pump housing, wear plate, seals and drive components for scoring, corrosion or other damage. Replace damaged service parts before reassembly.
  6. Install the replacement impeller in the same orientation as the original and ensure it is correctly engaged with the drive mechanism.
  7. Reinstall the water-pump cover and lower unit using the manufacturer's specified tightening procedure and torque values.
  8. Run the engine only in an appropriate water supply or flushing setup and confirm a strong, steady cooling-water telltale stream before normal operation.

Troubleshooting & FAQ

Which engines does this impeller fit?

It is listed for selected 4-stroke Honda Marine BF9.9 and BF15 outboards in the AH, AK, AM and AW series under series designation 14ZV40M. Confirm the full model code and compare your original part before ordering.

What Honda part does this impeller replace?

The specified OEM reference is Honda 19210-ZV4-013. Sierra 18-3246 and Mallory Marine 9-45101 are listed as aftermarket reference numbers for this replacement.

Is this a complete water-pump kit?

No. This listing is for one replacement water pump impeller only. The housing, plate, seals, key and other water-pump components are not included.

What are common signs of a worn impeller?

Possible symptoms include a weak or intermittent telltale stream, overheating, or reduced cooling-water flow. Inspect the impeller for cracking, hardening, deformation or missing vanes and replace it if damaged.

How often should the impeller be inspected?

Inspect the impeller according to the engine manufacturer's maintenance schedule and whenever cooling-water flow is weak or overheating occurs. Service intervals may vary with operating hours, saltwater exposure and water conditions.

Is this an OEM Honda part?

No. This is an aftermarket replacement impeller made to replace the specified Honda OEM reference. Honda is a trademark of Honda Motor Co., Ltd.; this product is not manufactured by or affiliated with Honda unless expressly stated.

Safety & Important Information

  • Confirm the exact engine model, series designation and original impeller dimensions before purchase.
  • Do not operate an outboard without an adequate cooling-water supply.
  • Use the manufacturer's service instructions for lower-unit removal, reassembly and torque specifications.
  • Professional installation is recommended if you are not familiar with outboard lower-unit or water-pump service.

About Sea Sierra

  • Marine Replacement Parts — Practical replacement components for routine outboard maintenance and repair.
  • Fitment-Focused Listings — Product references and application information are provided to help support correct part identification.
  • Value-Oriented Service — Aftermarket marine parts selected for dependable everyday maintenance needs.

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