Water Pump Impeller 19210-ZW9-A32 18-32455 for Honda BF8 BF9.9 BF15 BF20 Outboard
Water Pump Impeller 19210-ZW9-A32 18-32455 for Honda BF8 BF9.9 BF15 BF20 Outboard
Product Overview
Water pump impeller for Honda four-stroke outboards from 8 HP to 20 HP, measuring 45.1 mm outside diameter, 16.06 mm inside diameter and 14.48 mm high with 6 blades on a key drive. It replaces Honda 19210-ZW9-A32 and 19210-ZW9-A31, and Sierra 18-32455. A worn impeller shows up as a weak telltale, overheating at idle, or cracked and set blades found when the pump housing comes off.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Water Pump Impeller |
| Engine Type | Honda 4-stroke outboard |
| Horsepower Range | 8 HP - 20 HP |
| Outer Diameter | 45.1 mm |
| Inner Diameter | 16.06 mm |
| Height | 14.48 mm |
| Number of Blades | 6 |
| Shaft Type | Key drive |
| Country of Origin | Taiwan |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Honda | 19210-ZW9-A32, 19210-ZW9-A31 |
| Sierra | 18-32455 |
Compatible Engines
Fits the following Honda four-stroke outboards:
| Model | HP | Years |
|---|---|---|
| BFP8 (D1-DK) | 8 HP | 2001 and up |
| BFP9.9 (D1-DK) | 9.9 HP | 2001 and up |
| BF15 / BFP15 (D3-DK) | 15 HP | 2003 and up |
| BF20 / BFP20 (D3-DK) | 20 HP | 2003 and up |
What's Included
| Component | Qty |
|---|---|
| Water Pump Impeller | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Measure your old impeller before ordering — 45.1 mm outside diameter, 16.06 mm inside
- Fits Honda BF8, BF9.9, BF15 and BF20 four-stroke outboards from 2001 and 2003 onward
- Check the drive key and the stainless cup in the pump housing while it is apart
- Supplied as 1 x impeller — gaskets, key and housing are not included
- 30-Day Easy Returns
- Free Worldwide Shipping
- OEM Quality Without the Markup
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Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
How does shipping work?
Free international shipping on every order — no minimums. We operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. Tracking included.
See our full Shipping Policy.
How do you keep prices fair?
We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.
Learn more on our About Us page.
What payment methods do you accept?
We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.