Water Pump Impeller – Fits Suzuki DT9.9/DF8/DF9.9/DF15 Outboard Motors (Replaces 17461-93903/17461-93904)
This aftermarket water pump impeller is designed for a range of Suzuki and Johnson/BRP outboard motors. It fits Suzuki 2-stroke DT9.9 (1977–1985) and 4-stroke DF8, DF9.9, and DF15 (2000–2015) models. It is also compatible with Johnson/BRP 4-stroke 9.9 HP and 15 HP outboards from 2000 onward that are built with Suzuki powerheads.
This component is a direct replacement for multiple OEM and aftermarket part numbers, including Suzuki 17461-93903 and 17461-93904. Please verify dimensions against your original part before ordering, as minor variations exist.
- Engineered for direct, hassle-free installation.
- Constructed from high-grade, durable neoprene rubber for reliable performance.
- An impeller key is included with the 17461-93904 version.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
Brand |
Part Number |
Suzuki |
17461-93903 |
Suzuki |
17461-93904 |
Sierra |
18-3258 |
CEF |
500366 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.
For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.
Suzuki Models
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
Suzuki |
DT9.9 |
9.9 |
2-Stroke |
1983–1987 |
17461-93903 |
Check dimensions |
Suzuki |
DF8 |
8 |
4-Stroke |
2010+ |
17461-93903 |
Check dimensions |
Suzuki |
DF9.9 |
9.9 |
4-Stroke |
2004+ |
17461-93903 |
Check dimensions |
Suzuki |
DF15 |
15 |
4-Stroke |
2004+ |
17461-93903 |
Check dimensions |
Suzuki |
DT9.9 |
9.9 |
2-Stroke |
1983–1987 |
17461-93904 |
Alternate version with key |
Suzuki |
DF8 |
8 |
4-Stroke |
2010+ |
17461-93904 |
Alternate version with key |
Suzuki |
DF9.9 |
9.9 |
4-Stroke |
2004+ |
17461-93904 |
Alternate version with key |
Suzuki |
DF15 |
15 |
4-Stroke |
2004+ |
17461-93904 |
Alternate version with key |
Johnson/BRP Models
Brand |
Model |
Rated HP |
Stroke |
Years |
Notes |
Johnson |
9.9 |
9.9 |
4-Stroke |
2000+ |
Suzuki-powered models |
Johnson |
15 |
15 |
4-Stroke |
2000+ |
Suzuki-powered models |
Technical Specifications
Specification |
Value |
Product Type |
Water Pump Impeller |
Installation |
Direct replacement |
Material |
Neoprene Rubber |
Color |
Black |
Key Included |
Yes (Suzuki 17461-93904 version) |
Other Technical Attributes |
Check dimensions against original part |
Package Contents
- 1 x Water Pump Impeller (Replaces Suzuki 17461-93903 or 17461-93904)
- 1 x Impeller Key (Note: only included with the 17461-93904 version)
Explosion Diagram
Installation Guide
- Disconnect the battery and remove the engine cover.
- Shift the outboard into neutral.
- Drain the gearcase oil by removing the drain and vent plugs.
- Unbolt and remove the lower unit (gearcase) from the outboard's midsection.
- Locate the water pump housing, typically found on top of the gearcase.
- Unscrew the housing bolts and lift the housing to expose the impeller.
- Carefully note the direction of the old impeller's blades.
- Remove the old impeller, taking out the key from the driveshaft.
- Lightly lubricate the new impeller and insert the new key into the shaft.
- Install the new impeller, twisting it in the direction of the original blade rotation.
- Reassemble the housing, re-install the lower unit, and refill the gearcase oil.
- Test the engine using a water source to confirm proper cooling system function.
Troubleshooting & FAQ
Q: What is the difference between the 17461-93903 and 17461-93904 versions?
The primary difference is that the 17461-93904 version includes an impeller key, while the 17461-93903 version does not. The dimensional specifications are nearly identical, but you should verify against your old part to ensure a perfect fit.
Q: How do I confirm this impeller fits my specific engine?
First, check your engine model and year against the compatibility tables. Because minor variations in part dimensions can exist even within the same model range, it is critical to compare the photos and specifications of this impeller with your original part before purchasing.
Q: What are the signs of a worn or failing water pump impeller?
Common symptoms include the engine overheating, a weak or non-existent stream of water from the "tell-tale" outlet, or visible cracks, stiffness, or damage on the impeller blades upon inspection.
Q: OEM vs. Aftermarket?
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?
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?
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.