Water Pump Impeller 19210-ZV4-013 – Fits Honda 9.9HP & 15HP Outboards
This high-quality water pump impeller is precision-engineered to fit Honda BF9.9A and BF15A series outboards, including models BF9.9AH, BF9.9AK, BF9.9AM, BF15AH, BF15AK, and BF15AM. Designed for reliable cooling performance, it ensures your engine maintains optimal operating temperatures in all marine conditions.
This impeller directly replaces OEM part numbers 19210-ZV4-013 and 19210-ZV4-010, as well as aftermarket equivalents from Sierra Marine (18-3246) and CEF (500328). Constructed from durable neoprene and metal alloy, it delivers consistent, long-lasting performance.
- 6-blade neoprene construction for efficient water flow
- Precision-molded dimensions: 28.8mm height, 41.0mm diameter
- Direct drop-in replacement for Honda OEM impeller
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Honda Marine |
19210-ZV4-013 |
| Honda Marine |
19210-ZV4-010 |
| Sierra Marine |
18-3246 |
| CEF |
500328 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
Rated HP |
| Honda |
BF9.9AH, AK, AM |
9.9 HP |
| Honda |
BF15AH, AK, AM |
15 HP |
| Honda |
BF9.9A |
9.9 HP |
| Honda |
BF15A |
15 HP |
Technical Specifications
| Specification |
Value |
| Material |
Neoprene and metal alloy |
| Number of Blades |
6 |
| Impeller Height |
28.8 mm / 1.13 inch |
| Overall Diameter |
41.0 mm / 1.61 inch |
| Hub Shaft Diameter |
14.2 mm / 0.56 inch |
| Net Weight |
1.4 oz |
Package Contents
Your purchase includes:
- 1 × Outboard Water Pump Impeller (19210-ZV4-013 / 19210-ZV4-010)
Installation Guide
- Disconnect the fuel line and remove the engine cowling to access the lower unit.
- Drain the lower unit gear oil completely and remove the propeller.
- Disconnect the water tube from the water pump housing.
- Remove the bolts securing the lower unit to the mid-section and carefully separate the lower unit.
- Locate the water pump assembly on top of the lower unit; remove the pump housing bolts.
- Carefully remove the old impeller from the pump housing, noting the orientation of the blades.
- Clean the pump housing cavity thoroughly, removing all debris and old gasket material.
- Apply a thin coat of marine grease to the new impeller and housing cavity to aid installation.
- Install the new impeller with blades oriented in the correct rotation direction (follow OEM guidelines).
- Replace the pump housing gasket and reassemble the water pump, torquing bolts to specification.
- Reconnect the water tube, reattach the lower unit, and refill the gear oil to the proper level.
- Reinstall the propeller and cowling, then test the engine in water to confirm proper cooling flow.
Troubleshooting & FAQ
Q: How do I confirm this impeller fits my Honda outboard?
A: Cross-reference your engine model against our compatibility table. This impeller fits Honda BF9.9A and BF15A series motors (models AH, AK, AM). Verify your OEM part number matches 19210-ZV4-013 or 19210-ZV4-010.
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 operating hours, whichever comes first. Replace immediately if you notice cracked blades, missing pieces, or reduced cooling performance.
Q: What are the signs my impeller is failing?
A: Common symptoms include engine overheating, weak or no water stream from the tell-tale (pee hole), steam from the cowling, or the overheat alarm sounding. If you experience any of these, stop the engine immediately and inspect the impeller.
Q: Can I install this impeller myself or do I need a mechanic?
A: If you have mechanical experience and the proper tools, you can replace the impeller yourself following the service manual. However, the lower unit must be removed, so professional installation is recommended if you're unfamiliar with outboard service procedures.
Q: What's the difference between this aftermarket impeller and the Honda OEM part?
A: This aftermarket impeller is manufactured to OEM specifications using comparable neoprene and metal alloy materials. It provides equivalent fit and performance at a more competitive price point, though it is not an OEM Honda component.
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.