Water Pump Impeller Kit – Fits Suzuki DF4/DF5/DF6 4-Stroke Outboards (Replaces 17400-91860, 17400-91830, 17400-98661)

Water Pump Impeller Kit – Fits Suzuki DF4/DF5/DF6 4-Stroke Outboards

This water pump impeller service kit is designed for Suzuki 4-Stroke outboard engines, specifically the 4, 5, and 6 HP models (DF4, DF5, DF6) manufactured between 2002 and 2016. It provides a reliable, direct-fit solution for maintaining your engine's cooling system.

This kit serves as a direct replacement for Suzuki OEM part numbers: 17400-91860, 17400-91830, 17400-91891, 17400-98661, and 17400-986L2.

• Comprehensive Kit: Includes all necessary components for a full water pump service, including the impeller, gaskets, housing panels, spark plug, fuel filter, and anodes.
• Direct Replacement: Engineered to fit the water pump housing precisely, ensuring a straightforward installation without modifications.
• Cooling System Maintenance: Specifically designed for raw water cooling systems to restore cooling efficiency and prevent overheating.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

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.

Technical Specifications

Package Contents

• 1 x WATER PUMP REPAIR KIT (17400-98661)
• 3 x GASKET (09168-10022)
• 1 x PIN (09204-03003)
• 1 x SPARK PLUG (09482-00L04)
• 1 x FUEL FILTER (15410-98500)
• 1 x WATER PUMP CASE UPPER PANEL (17412-91JL0)
• 1 x WATER PUMP CASE SLEEVE (17413-91JL0)
• 2 x PROTECTION ANODE (55321-87J01)

Installation Guide

1. Safety First: Disconnect the spark plug lead and ensure the engine is securely mounted.
2. Access the Lower Unit: Shift the outboard into neutral. Remove the bolts connecting the lower unit (gearcase) to the upper leg.
3. Remove the Lower Unit: Carefully separate the lower unit from the driveshaft housing. Be mindful of the shift shaft.
4. Open the Water Pump: Locate the water pump housing on top of the gearcase. Remove the bolts securing the housing.
5. Inspect and Remove Old Parts: Slide the housing up and off. Remove the old impeller, gaskets, wear plate, and any seals. Note the direction of the old impeller vanes.
6. Clean Surfaces: Thoroughly clean all mating surfaces, removing any old gasket material or corrosion.
7. Install New Components: Install the new gasket, sleeve, and upper panel. Slide the new impeller onto the driveshaft, aligning the keyway.
8. Lubricate and Assemble: Lightly lubricate the inside of the housing and the impeller with marine grease.
9. Reinstall Housing: Reinstall the water pump housing, ensuring the impeller vanes are turned in the correct rotational direction (typically clockwise). Torque bolts to spec.
10. Reattach Lower Unit: Reconnect the lower unit to the engine, aligning the driveshaft, shift shaft, and water tube. Secure with bolts.
11. Test: Reconnect the spark plug lead. Using a flush attachment, run the engine and verify a steady stream of water from the tell-tale outlet.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: This kit is specifically for Suzuki DF4, DF5, and DF6 4-stroke outboards from 2002-2016. Please verify your engine model and year against the "Compatible Engine Models" table. Additionally, check that your existing part number is listed in the "Part Number Cross-Reference" section to ensure a match.

Q: What are the signs of a failing water pump impeller?
A: The most common symptoms are a weak or no water stream from the tell-tale outlet, the engine overheating alarm sounding, or a noticeable reduction in cooling performance. Addressing these signs promptly is critical to prevent engine damage.

Q: How often should I replace the water pump impeller?
A: As part of preventative maintenance, we recommend replacing the impeller every 100-200 hours of operation or every 1-2 years, whichever comes first. Service intervals should be shorter if operating in saltwater or silty conditions.

Q: OEM vs. Aftermarket?
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?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.