Water Pump Gasket – Fits Honda 8HP 9.9HP 10HP 4-stroke (Replaces 19232-ZW9-000)
Water Pump Gasket – Fits Honda 8HP 9.9HP 10HP 4-stroke (Replaces 19232-ZW9-000) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Water Pump Gasket – Fits Honda 8HP 9.9HP 10HP 4-stroke (Replaces 19...
Water Pump Gasket – Fits Honda 8HP 9.9HP 10HP 4-stroke (Replaces 19232-ZW9-000) is backordered and will ship as soon as it is back in stock.
Product Details
This Water Pump Gasket – Fits Honda 8HP 9.9HP 10HP 4-stroke (Replaces 19232-ZW9-000) is an essential sealing component for Honda 4-stroke outboard engines ranging from 8 to 10 horsepower. Compatible with BF8D, BFP8D, BF9.9D, BFP9.9D, BF10D, BF10B, BFP10D, and BFP10B models manufactured from 2002 through 2006 and later years, this gasket ensures a reliable water-tight seal in your outboard's cooling system.
This aftermarket replacement directly replaces Honda OEM part number 19232-ZW9-000, delivering equivalent fit and function at a competitive price.
- Designed for Honda 4-stroke outboard water pump assemblies
- Prevents coolant leaks and maintains proper engine temperature
- Direct-fit replacement for quick, straightforward installation
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Honda | 19232-ZW9-000 | OEM reference |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Honda | BF8D | 8 | 4-Stroke | 2002–2006 | 19232-ZW9-000 |
| Honda | BFP8D | 8 | 4-Stroke | 2002–2006 | 19232-ZW9-000 |
| Honda | BF9.9D | 9.9 | 4-Stroke | 2002–2006 | 19232-ZW9-000 |
| Honda | BFP9.9D | 9.9 | 4-Stroke | 2002–2006 | 19232-ZW9-000 |
| Honda | BF10D | 10 | 4-Stroke | All years | 19232-ZW9-000 |
| Honda | BF10B | 10 | 4-Stroke | All years | 19232-ZW9-000 |
| Honda | BFP10D | 10 | 4-Stroke | All years | 19232-ZW9-000 |
| Honda | BFP10B | 10 | 4-Stroke | All years | 19232-ZW9-000 |
Technical Specs
- Application
- Water pump impeller gasket
- Replaces OEM
- 19232-ZW9-000
- Engine Type
- 4-Stroke
- Compatible Brands
- Honda
- Horsepower Range
- 8 HP, 9.9 HP, 10 HP
What's in the Box
- 1 × Water Pump Gasket (19232-ZW9-000)
Installation Notes
- Disconnect battery and remove the outboard lower unit according to your engine's service manual.
- Remove the water pump housing cover and carefully extract the old impeller and gasket.
- Clean all mating surfaces thoroughly, removing old gasket material and debris.
- Position the new gasket onto the pump housing, ensuring proper alignment with bolt holes.
- Install the impeller and reassemble the water pump housing, tightening fasteners to manufacturer specifications.
- Reinstall the lower unit and reconnect the battery.
- Run the engine with water supply and inspect for leaks around the gasket seal.
Troubleshooting & FAQ
How do I know if my water pump gasket needs replacement?
Signs include coolant leaks around the pump housing, overheating engine, visible gasket deterioration or cracking, or loss of cooling system pressure. Gaskets should be replaced during every water pump impeller service to maintain reliable sealing.
Can I reuse the old gasket during water pump service?
No. Gaskets are designed for single use and compress permanently when torqued. Reusing old gaskets often results in leaks and poor sealing. Always install a new gasket when servicing the water pump assembly.
Will this gasket fit both power tilt and manual tilt models?
Yes. This gasket fits both BF-series (manual) and BFP-series (power tilt) Honda outboards in the compatible horsepower and year range listed in the compatibility table.
Do I need sealant or gasket adhesive during installation?
Typically no additional sealant is required if mating surfaces are clean and smooth. Consult your Honda service manual for model-specific requirements. Some technicians apply a thin layer of marine grease to aid gasket positioning during assembly.
How often should the water pump gasket be replaced?
Replace the gasket every time you service the water pump impeller, typically every 2–3 years or 200–300 hours of operation, whichever comes first. More frequent replacement may be needed in sandy or debris-heavy environments.
What happens if the gasket fails while running?
A failed gasket can cause coolant leaks, loss of water pressure to the engine, and rapid overheating. If you notice steam, high temperature warnings, or reduced water flow from the tell-tale, shut down immediately and inspect the cooling system.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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