Water Pump Impeller and Plate Kit for Suzuki DF4/DF6 4-Stroke Outboards (2002+) – Replaces 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, 17400-98661
Water Pump Impeller and Plate Kit for Suzuki DF4/DF6 4-Stroke Outboards (2002+) – Replaces 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, 17400-98661 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Water Pump Impeller and Plate Kit for Suzuki DF4/DF6 4-Stroke Outbo...
Water Pump Impeller and Plate Kit for Suzuki DF4/DF6 4-Stroke Outboards (2002+) – Replaces 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, 17400-98661 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket water pump impeller and plate kit is designed for Suzuki DF4 and DF6 4-stroke outboard engines from 2002 onward. It provides the replacement impeller and plate needed to service the water pump and help restore proper cooling-water circulation.
The kit is listed for Suzuki OEM part numbers 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, and 17400-98661. Sierra 18-3266 is listed as an aftermarket cross-reference. Confirm the exact engine model and existing part number before ordering.
- Replacement water pump impeller and plate kit.
- Designed for Suzuki DF4 and DF6 4-stroke outboards.
- Applicable engine range: 2002 and newer, subject to model and serial-number confirmation.
- Aftermarket replacement component; Suzuki is a trademark of its respective owner.
Part Number Matrix
Use the following references to compare the part with your original water pump service components.
| Brand or Reference | Part Number | Reference Type |
|---|---|---|
| Suzuki | 17400-986L0 | OEM reference |
| Suzuki | 17400-986L1 | OEM reference |
| Suzuki | 17400-986L2 | OEM reference |
| Suzuki | 17400-98660 | OEM reference |
| Suzuki | 17400-98661 | OEM reference |
| Sierra | 18-3266 | Aftermarket cross-reference |
Engine Compatibility
This product is listed for the following Suzuki outboard applications. Model, year, stroke, and serial-number conditions should be checked together before installation.
| Brand | Model | Rated HP | Stroke | Years | Applicable Reference Numbers | Notes |
|---|---|---|---|---|---|---|
| Suzuki | DF4 | 4 HP | 4-Stroke | 2002+ | 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, 17400-98661 | Confirm the exact model variant and serial number. |
| Suzuki | DF6 | 6 HP | 4-Stroke | 2002+ | 17400-986L0, 17400-986L1, 17400-986L2, 17400-98660, 17400-98661 | Confirm the exact model variant and serial number. |
Technical Specifications
- Product Type
- Water pump impeller and plate kit
- Compatible Brand
- Suzuki outboard
- Compatible Models
- DF4 and DF6
- Compatible Stroke
- 4-stroke
- Listed Model Years
- 2002 and newer
- Installation
- Replacement installation in the existing water pump assembly
- Housing
- Water pump housing is not included
What’s in the Box
- 1 x Water pump impeller
- 1 x Water pump plate
Water pump housing and other components not specifically listed above are not included.
Installation Notes
- Stop the engine, remove the ignition key, and follow the outboard manufacturer’s safety procedures.
- Place the outboard in a stable position and disconnect the battery if required by the service procedure.
- Remove the lower unit and water pump cover according to the service manual for your exact DF4 or DF6 model.
- Remove the old impeller and plate, noting the original orientation and the position of any locating features.
- Clean the mating surfaces and remove old gasket material, debris, or corrosion without damaging the sealing surfaces.
- Install the replacement plate and impeller in the correct orientation for the water pump assembly.
- Inspect the existing water pump housing for scoring, cracks, distortion, or excessive wear before reassembly.
- Reinstall the water pump cover and lower unit, tightening fasteners to the manufacturer’s specifications.
- Run the engine using the correct test-tank or water-supply procedure and confirm a steady cooling-water discharge.
- If the engine overheats or the cooling-water discharge is weak, stop operation and recheck the installation and water pump components.
Troubleshooting & FAQ
How do I confirm this kit fits my engine?
Verify that your outboard is a Suzuki DF4 or DF6, has a 4-stroke engine, is model year 2002 or newer, and uses one of the listed Suzuki reference numbers. Model and year alone may not identify every variant, so compare the serial number and the original water pump parts where possible.
What are common signs of a worn water pump impeller?
Possible signs include a weak or inconsistent cooling-water discharge, rising engine temperature, overheating warnings, or visible steam. Stop using the engine if overheating occurs and inspect the complete cooling system.
How often should the impeller be replaced?
Replacement timing depends on operating hours, storage conditions, water quality, and the manufacturer’s maintenance schedule. Inspect the impeller regularly and replace it when it is worn, cracked, hardened, deformed, or otherwise damaged.
Can I install this kit myself?
Installation requires removal of the lower unit and access to the water pump. It may be suitable for an experienced owner with the correct service information and tools. If you are not familiar with outboard lower-unit service, professional installation is recommended.
Is the water pump housing included?
No. This listing includes the water pump impeller and plate only. The existing water pump housing must be reused if it is serviceable. Replace the housing if it is scored, cracked, warped, or excessively worn.
Is this an OEM Suzuki part?
No. This is an aftermarket replacement kit intended for applications associated with the listed Suzuki reference numbers. Suzuki reference numbers are used for identification and compatibility comparison only.
What should I do if the cooling-water discharge remains weak after installation?
Stop the engine and check the impeller orientation, plate installation, water pump housing condition, water tube alignment, cooling-water passages, and all related seals and fasteners. Refer to the service manual for your exact model before operating the engine again.
Safety & Important Information
- Verify the model, year, stroke, serial number, and original part number before ordering.
- Do not operate an outboard that is overheating or lacks a steady cooling-water discharge.
- Inspect the existing water pump housing and related components before reuse.
- Follow the manufacturer’s service manual for torque values, sealing procedures, and lower-unit removal instructions.
- This is an aftermarket replacement and is not manufactured or supplied by Suzuki.
About Sea Sierra
- Marine Replacement Parts — We supply replacement components for a range of outboard and marine applications.
- Application-Focused Listings — Product information is organized around model, engine type, and reference-number matching.
- Quality-Controlled Supply — Parts are sourced and prepared for practical marine maintenance and repair needs.
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