Water Pump Impeller Kit with Cup – Fits Suzuki DF4A/DF5A/DF6A (2017+)

Water Pump Impeller Kit with Cup – Fits Suzuki DF4A/DF5A/DF6A (2017+)

This water pump impeller service kit is designed for Suzuki 4-Stroke 4–6 HP DF4A, DF5A, and DF6A series outboard engines (2017 and newer models). It contains all the necessary components for a complete water pump and cooling system service.

This kit is a direct replacement for Suzuki OEM part numbers 17400-95J00, 17400-95J01, 17400-95J02, 17400-95J03-000, 17400-91891, and Soxa Marine part 19KS003.

• Engineered to meet or exceed original equipment manufacturer (OEM) specifications for reliable performance.
• Includes a new impeller, gaskets, O-ring, spark plug, filters, and anodes for a comprehensive maintenance job.
• Ensures your engine's cooling system operates efficiently to prevent overheating and potential damage.

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)
• 1 x Gasket 12X17X1 (09168-12017)
• 1 x Pin (09204-03003)
• 1 x O Ring D:2, ID:38.5 (09280-39002)
• 1 x Spark Plug CPR6EA-9 (09482-00L04)
• 1 x Engine Oil Filter (16510-16H11)
• 1 x Water Pump Case Upper Panel (17412-91JL0)
• 1 x Water Pump Case Sleeve (17413-91JL0)
• 1 x Fuel Filter (44330-13H00)
• 1 x Protection Anode (55321-87J01)
• 1 x Protection Anode (55321-95J00)
• 2 x Drain Plug Gasket (59178-97J00)

Installation Guide

1. Safety First: Ensure the engine is off and disconnect the battery cables before starting work.
2. Remove Lower Unit: Unbolt and carefully remove the lower gearcase unit from the outboard motor.
3. Access Water Pump: Locate and unbolt the water pump housing cover to expose the impeller.
4. Inspect Housing: Check the housing, liner cup, and face plate for any scoring, warping, or corrosion. Replace if significant wear is present.
5. Remove Old Impeller: Take out the old impeller, woodruff key, and any gaskets or seals. Note the direction of the old impeller vanes.
6. Clean Surfaces: Thoroughly clean all mating surfaces, removing any old gasket material or debris.
7. Install New Components: Place the new key on the driveshaft and slide the new impeller on. Be sure to orient the vanes in the correct rotational direction (typically clockwise when viewed from above).
8. Lubricate: Apply a light coat of marine grease or soap-and-water solution to the inside of the pump housing and the impeller to ensure smooth initial startup.
9. Reassemble: Install the new gaskets and reassemble the water pump housing. Tighten bolts to the manufacturer's recommended torque specifications.
10. Reinstall Lower Unit: Carefully guide the lower unit back into place, ensuring the driveshaft and water tube align correctly, and secure it with the mounting bolts.
11. Test Operation: Reconnect the battery, start the engine in a suitable water source, and verify a strong, steady stream of water from the tell-tale outlet.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Suzuki engine?
A: This kit is specifically designed for Suzuki DF4A, DF5A, and DF6A 4-stroke models from 2017 and newer. To ensure a correct fit, please cross-reference your engine's model and year with the "Compatible Engine Models" table. You can also verify your existing part number against the replacement numbers listed, such as 17400-95J01 or 17400-91891.

Q: What are the signs my water pump impeller needs to be replaced?
A: Common indicators of a failing impeller include the engine overheating at idle or low speeds, a weak or intermittent water stream from the "tell-tale" outlet, or a complete lack of water flow. Upon visual inspection, signs like cracked, brittle, or heavily worn impeller vanes also signify that a replacement is due.

Q: How often should I replace the water pump impeller?
A: As a general rule for preventative maintenance, it is recommended to inspect the impeller annually and replace it every 2-3 years or after every 200-300 hours of engine use, whichever comes first. This interval may be shorter if you frequently operate in saltwater or water with high levels of sand or debris.

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.