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Water Pump Impeller Kit – Fits Suzuki 90-140HP Outboards (Replaces 17400-90J20, 18-3258, 17400-90J00)

Regular price $31.99

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Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

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.

If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

This Water Pump Impeller Kit provides a reliable solution for maintaining the cooling system of Suzuki DF90, DF115, and DF140 4-Stroke outboard motors manufactured between 1999–2006. It ensures your engine circulates water effectively, preventing critical overheating during operation.

The kit is a direct interchange for Suzuki part number 17400-90J20, Sierra 18-3258, and is also compatible with the superseded OEM part 17400-90J00.

  • Designed for direct-fit, hassle-free installation.
  • Includes all essential components: impeller, gasket, plate, and key.
  • Restores cooling system performance to original factory specifications.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number Notes
Suzuki 17400-90J20
Sierra 18-3258
Suzuki 17400-90J00 Superseded by 17400-90J20

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.
Suzuki DF90 90 4-Stroke 1999–2006 17400-90J20
Suzuki DF115 115 4-Stroke 1999–2006 17400-90J20
Suzuki DF140 140 4-Stroke 1999–2006 17400-90J20

Technical Specs

Product Type
Water Pump Impeller Kit
Installation
Direct replacement
Weight
1 lbs (0.45 kg)

What’s in the Box

  • 1 x Water Pump Impeller
  • 1 x Impeller Gasket
  • 1 x Impeller Plate
  • 1 x Impeller Key

Installation Notes

  1. Disconnect the battery leads and remove the engine cowl.
  2. Place a drain pan under the lower unit and remove the gear lube drain screw to empty the oil.
  3. Unbolt and carefully slide the lower unit off the driveshaft housing.
  4. Remove the water pump housing bolts to access the impeller.
  5. Take note of the old impeller's orientation before removing it, along with the plate, gasket, and key.
  6. Install the new components from the kit, applying a light coat of marine grease to the new impeller.
  7. Reinstall the water pump housing and torque its bolts to the manufacturer's specification.
  8. Reassemble the lower unit, refill with fresh gear lube, and test the engine on a water supply to confirm proper cooling.

Troubleshooting & FAQ

How do I know if this kit fits my engine?

This kit is specifically for Suzuki DF90, DF115, and DF140 4-Stroke models from 1999 to 2006. Please verify your engine model and year against the compatibility table before ordering.

What are the signs of a failing water pump impeller?

Common signs of a worn or failed impeller include a weak or non-existent water stream from the "tell-tale" outlet, engine overheating alerts, and reduced engine performance.

How often should I replace the impeller?

For preventative maintenance, it is recommended to replace the impeller every 100-200 operating hours or every 1-2 years, whichever comes first. More frequent replacement may be necessary in saltwater or high-debris environments.

Is this difficult to install myself?

The installation is moderately difficult and requires disassembling the lower unit. While it can be a DIY project for those with mechanical experience, we recommend professional installation if you are unfamiliar with the process.

Is this an OEM part?

This listing is for an aftermarket replacement, not an OEM part. It has been manufactured in an ISO 9002 facility and is built to meet or exceed OEM specifications using comparable materials and undergoing batch inspections for quality control.

What are the shipping costs and speed?

We offer free standard shipping worldwide, with a typical transit time of 5–15 days. Expedited shipping options may be available at checkout depending on your location.

What is the warranty and return policy?

This product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter an issue, please contact our support team with your order details. Returns are accepted for unused items in their original condition within our standard return window.

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.

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