17461-93901 Impeller for Suzuki DT15 DF8 DF9.9 DF15 | JLM Marine
This high-quality aftermarket impeller is engineered to fit Suzuki outboard motors, including both 2-stroke and 4-stroke models ranging from 8 to 15 horsepower. It provides reliable cooling performance across multiple engine series, including the DT15, DF8, DF9.9, and DF15.
This impeller directly replaces Suzuki OEM part numbers 17461-93901, 17461-93902, and 17461-93903, as well as aftermarket equivalents from Sierra (18-3099) and CEF (500329).
- Fits both 2-stroke and 4-stroke Suzuki engines from 8 to 15 HP
- Compatible with engines from 1986 through current production
- Includes one outboard impeller
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Suzuki |
17461-93901 |
| Suzuki |
17461-93902 |
| Suzuki |
17461-93903 |
| Sierra |
18-3099 |
| CEF |
500329 |
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.
| Brand |
Model |
Rated HP |
Stroke |
Years |
| Suzuki |
DT15 |
15 |
2-Stroke |
1986-1997 |
| Suzuki |
DF8 |
8 |
4-Stroke |
2010+ |
| Suzuki |
DF9.9 |
9.9 |
4-Stroke |
2004+ |
| Suzuki |
DF15 |
15 |
4-Stroke |
2004+ |
Technical Specifications
| Specification |
Value |
| Part Type |
Outboard Impeller |
| Application |
Water Pump |
| Compatibility |
Suzuki 2-Stroke & 4-Stroke Outboards |
Package Contents
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 water pump housing bolts.
- Carefully separate the water pump housing from the lower unit, taking note of gasket positioning.
- Remove the old impeller by gently pulling it off the drive shaft; note the direction of the impeller blades.
- Inspect the impeller housing and drive shaft for wear, corrosion, or debris, and clean thoroughly.
- Lubricate the new impeller with water pump grease or soapy water to ease installation.
- Install the new impeller onto the drive shaft, ensuring the blades face the correct direction (same as original).
- Replace the water pump housing gasket with a new one to ensure a proper seal.
- Reassemble the water pump housing, aligning it carefully with the lower unit and tightening bolts in a star pattern.
- Refill the lower unit with the manufacturer-recommended gear oil and check for proper fluid level.
- Reinstall the engine cowling and reconnect the fuel line.
- Test the engine in water, checking for proper water flow from the telltale (indicator stream).
Troubleshooting & FAQ
Q: How do I confirm this impeller fits my Suzuki engine?
A: Check the compatibility table above to match your engine model, horsepower, stroke type, and year. You can also cross-reference the OEM part number stamped on your current impeller with the numbers listed in the Part Number Cross-Reference section.
Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend replacing the impeller every 2–3 years or every 200–300 hours of operation, whichever comes first. If you frequently operate in sandy or debris-filled water, more frequent replacement may be necessary.
Q: What are the signs that my impeller is failing?
A: Common symptoms include reduced or absent water flow from the telltale, engine overheating, steam from the engine, or a weak stream during idle. If you notice any of these signs, inspect and replace the impeller immediately to prevent engine damage.
Q: Can I install this impeller myself, or do I need a professional?
A: While experienced DIY mechanics can perform this replacement with basic tools, professional installation is recommended to ensure proper alignment, sealing, and torque specifications. Improper installation can lead to cooling system failure.
Q: What's the difference between OEM and aftermarket impellers?
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.