Water Pump Impeller Kit – Fits Suzuki DF 4/6 HP (Replaces 17400-986L0, 17400-98661)
Water Pump Impeller Kit – Fits Suzuki DF 4/6 HP (Replaces 17400-986L0, 17400-98661) is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Water Pump Impeller Kit – Fits Suzuki DF 4/6 HP (Replaces 17400-986...
Water Pump Impeller Kit – Fits Suzuki DF 4/6 HP (Replaces 17400-986L0, 17400-98661) is backordered and will ship as soon as it is back in stock.
Product Details
This high-quality Water Pump Impeller Kit – Fits Suzuki DF 4/6 HP is engineered for Suzuki 4-stroke DF4 and DF6 outboard engines manufactured between 2003 and 2014. It restores cooling system performance, protecting your engine from overheating.
It’s a direct replacement for Suzuki part numbers 17400-986L0, 17400-98661, 17400-986L1, and 17400-986L2, and serves as a cross-reference for Sierra 18-3266 and Johnson 5034323.
- Engineered for direct replacement installation.
- Specifically designed for 4-stroke engine applications.
- Backed by a 1-year warranty for peace of mind.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Suzuki | 17400-986L0 |
| Suzuki | 17400-98661 |
| Suzuki | 17400-986L1 |
| Suzuki | 17400-986L2 |
| Sierra | 18-3266 |
| Johnson | 5034323 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is confirmed to fit the following Suzuki outboard models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Suzuki | DF4 | 4 | 4-Stroke | 2003–2011 | 17400-986L0/17400-98661 | |
| Suzuki | DF5 | 5 | 4-Stroke | 2002–2014 | 17400-986L0/17400-98661 | Included in some compatibility charts |
| Suzuki | DF6 | 6 | 4-Stroke | 2002–2014 | 17400-986L0/17400-98661 |
Technical Specs
- Product Type
- Water Pump Impeller Kit
- Installation
- Direct replacement
- Warranty
- 1 Year
- Compatible Engine Type
- For 4-stroke engines only
What’s in the Box
- 1 x Impeller
- 1 x Pump Case Gasket
Installation Notes
- Disconnect the battery and shift the outboard into neutral.
- Drain the lower unit gear oil completely.
- Remove the bolts securing the lower unit (gearcase) to the engine.
- Carefully lower and remove the gearcase assembly.
- Unbolt and remove the old water pump housing and impeller assembly.
- Clean all mating surfaces, removing any old gasket material or debris.
- Install the new gasket and impeller, ensuring the impeller vanes are oriented correctly.
- Reinstall the water pump housing and torque its bolts to manufacturer specifications.
- Reattach the lower unit to the engine, ensuring the driveshaft and water tube align.
- Refill the gearcase with the correct grade and amount of oil before starting the engine.
Troubleshooting & FAQ
How do I confirm this kit fits my specific engine?
Verify your engine's model, horsepower, and year fall within the ranges listed in the "Engine & Model Compatibility" table. Cross-referencing your existing part number with our "Part Number Matrix" is the most reliable method.
What are common signs of a worn-out impeller?
Key indicators include a weak or inconsistent water stream from the tell-tale port, frequent engine overheating alarms, or visible steam from the exhaust. Reduced cooling efficiency is the primary symptom.
How often should I replace my water pump impeller?
As a preventative maintenance item, it is recommended to replace the impeller every 1–2 years or every 100–200 hours of operation, whichever comes first. This interval can vary based on operating conditions (e.g., saltwater vs. freshwater).
Can I install this kit myself?
While many boat owners perform this service, it requires mechanical aptitude and basic tools. If you are not comfortable disassembling the lower unit of your outboard, we highly recommend professional installation to ensure correct assembly and function.
Is the water pump housing included?
No, this is an impeller and gasket kit only. It is designed to fit into your existing water pump housing. Inspect your housing for scoring, warping, or cracks and replace it if necessary.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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