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19210-ZW1-003 Water Pump Impeller for Honda Mercury BF75AT BF90AT BF75AW BF90AW | JLM Marine
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Water Pump Impeller – Fits Honda BF75AT BF90AT BF75AW BF90AW & Mercury MerCruiser Stern Drive
This high-quality aftermarket water pump impeller is designed for Honda 4-stroke outboard motors (75–90 HP, 1997–1998 models) and Mercury MerCruiser Stern Drive applications including Alpha One Gen 2. Engineered to OEM specifications, it ensures reliable cooling flow and protects your engine from overheating.
Direct Replacements: Honda 19210-ZW1-003 | Mercury 47-43026T2, 47-43026Q02, 399289, 391538, 8M0025709 | Sierra 18-3056 | CEF 500301 | Mallory 9-45037
- 6-blade design with center insert that resists tearing for long-lasting performance
- Improved elastomer flexibility across broad temperature ranges
- Package includes: Outboard Impeller
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Honda | 19210-ZW1-003 |
| Mercury MerCruiser | 47-43026T2, 47-43026, 47-43026T-2, 47-43026Q02, 47-43026-2, 47-430262, 8M0025709, 399289, 391538 |
| CEF Marine | 500301 |
| Mallory Marine | 9-45037 |
| Sierra Marine | 18-3056, 18-3056-10 |
| Impeller Key | 28-43037 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years |
|---|---|---|---|---|
| Honda | BF75AT LHTA | 75 | 4-Stroke | 1997 |
| Honda | BF75AT LRTA | 75 | 4-Stroke | 1997 |
| Honda | BF75AT XRTA | 75 | 4-Stroke | 1997 |
| Honda | BF90AT LHTA | 90 | 4-Stroke | 1997 |
| Honda | BF90AT LRTA | 90 | 4-Stroke | 1997 |
| Honda | BF90AT XRTA | 90 | 4-Stroke | 1997 |
| Honda | BF75AW LHTA | 75 | 4-Stroke | 1998 |
| Honda | BF75AW LRTA | 75 | 4-Stroke | 1998 |
| Honda | BF75AW XRTA | 75 | 4-Stroke | 1998 |
| Honda | BF90AW LHTA | 90 | 4-Stroke | 1998 |
| Honda | BF90AW LRTA | 90 | 4-Stroke | 1998 |
| Honda | BF90AW XRTA | 90 | 4-Stroke | 1998 |
| Mercury MerCruiser | Stern Drive Alpha One Gen 2 | 65–220 | 4-Stroke / 6-Cyl | Various |
Technical Specifications
| Specification | Value |
|---|---|
| Blades | 6 |
| Impeller Height | 33.0 mm / 1.30 inches |
| Overall Diameter | 88.0 mm / 3.46 inches |
| Hub Shaft Diameter | 22.4 mm / 0.88 inch |
| Net Weight | 2.10 oz |
Installation Guide
- Disconnect the battery and remove the lower unit from the outboard motor following your engine's service manual.
- Remove the water pump housing cover and carefully extract the old impeller. Inspect the pump housing for debris or damage.
- Lubricate the new impeller with glycerin or soapy water (never petroleum-based grease). Insert it into the housing, ensuring blades face the correct rotation direction.
- Align the impeller key with the drive shaft slot and seat the impeller fully.
- Reinstall the water pump housing cover, tightening bolts to the manufacturer's torque specification.
- Reattach the lower unit to the motor and reconnect the battery.
- Run the engine in a test tank or on-water and verify consistent water flow from the tell-tale.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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