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Water Pump Impeller Service Kit with Plate – Fits Suzuki DF25A and DF30A 4-Stroke Outboards 2014+

Sale price $26.95 Regular price $51.00

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Product Details

Restore dependable cooling-system performance with this Water Pump Impeller Service Kit with Plate for Suzuki DF25A and DF30A 4-stroke outboard engines manufactured from 2014 onward. The kit is intended for water-pump service and includes the impeller and pump plate required for the listed application.

This is an aftermarket replacement service kit. The water-pump housing is not included, so inspect the existing housing and replace it separately if it is worn, scored, cracked, or otherwise damaged.

  • Designed for Suzuki DF25A and DF30A 4-stroke outboards from 2014+.
  • Includes a water-pump impeller and pump plate for routine water-pump service.
  • Suitable for replacing worn impeller components while retaining a serviceable existing housing.
  • Verify the exact engine model, year, and original part before installation.

Part Number Matrix

The following Suzuki part numbers are listed as reference numbers for this service-kit application. Part-number listings do not by themselves confirm fitment for every engine configuration; always verify the complete model and serial-number range.

Brand Part Number Notes
Suzuki 17400-94L31 Listed reference number
Suzuki 17400-94L00 Listed reference number
Suzuki 17400-94L01 Listed reference number
Suzuki 17400-94L20 Listed reference number
Suzuki 17400-94L21 Water-pump repair-kit reference for DF25A/DF30A applications

Engine & Model Compatibility

Confirm the complete engine model and manufacturing year before ordering. The company fitment data identifies the following applications:

Brand Model Rated HP Stroke Years Reference Part Nos. Notes
Suzuki DF25A 25 4-Stroke 2014–Current 17400-94L31; 17400-94L00; 17400-94L01; 17400-94L20; 17400-94L21 Impeller service kit with plate; housing not included
Suzuki DF30A 30 4-Stroke 2014–Current 17400-94L31; 17400-94L00; 17400-94L01; 17400-94L20; 17400-94L21 Impeller service kit with plate; housing not included

Technical Specs

Product Type
4-stroke water pump impeller service kit
Included Pump Component
Water-pump impeller with pump plate
Installation
Replacement service installation using the existing serviceable pump housing
Housing
Not included
Compatible Engines
Suzuki DF25A and DF30A, 2014+
Rated Power Range
25–30 HP
Stroke
4-Stroke

What’s in the Box

  • 1 x Water-pump impeller
  • 1 x Water-pump plate

Not included: water-pump housing and unrelated engine-maintenance items such as spark plugs, fuel filters, oil filters, anodes, or drain-plug gaskets.

Installation Notes

  1. Disconnect the battery or follow the engine manufacturer’s shutdown procedure before beginning service. Place the outboard in a stable, safe position.
  2. Remove the lower unit according to the Suzuki service procedure for your exact DF25A or DF30A configuration.
  3. Remove the water-pump cover and carefully take out the old impeller, plate, and related sealing components.
  4. Inspect the pump housing, cover, driveshaft keyway, and mating surfaces. Do not reuse a housing that is cracked, deeply scored, distorted, or excessively worn.
  5. Clean old gasket material, scale, debris, and corrosion from the mating surfaces without damaging the sealing areas.
  6. Install the new plate and impeller in the correct orientation. Use the correct key and sealing components for the engine configuration; components not listed as included must be sourced separately.
  7. Lightly lubricate the impeller with a suitable water-soluble lubricant or follow the engine manufacturer’s service instructions. Avoid petroleum products that may damage rubber components.
  8. Reinstall the pump cover and lower unit, ensuring the driveshaft, shift shaft, and water tube are correctly aligned.
  9. Run the engine only with an adequate water supply and confirm a strong, steady tell-tale stream. Stop the engine immediately if the stream is weak or absent.

Troubleshooting & FAQ

Which Suzuki outboards does this service kit fit?

The company fitment data identifies Suzuki DF25A and DF30A 4-stroke outboards from 2014 onward. Confirm the exact model, year, serial number, and original water-pump part number before ordering.

Does this kit include the water-pump housing?

No. This is an impeller service kit with a pump plate. The existing housing must be inspected and reused only if it remains serviceable. A replacement housing is not included.

What are the signs of a failing water pump?

Common signs include a weak or absent tell-tale stream, an overheating warning, elevated engine temperature, or visible cracking, brittleness, or damaged vanes on the old impeller.

How often should the impeller be replaced?

Inspect the impeller according to the engine manufacturer’s maintenance schedule and replace it when the vanes are worn, cracked, permanently deformed, or damaged. More frequent inspection may be appropriate for engines operated in saltwater, sand, or silt.

Is this an OEM Suzuki part?

No. This listing is for an aftermarket replacement service kit intended for the stated Suzuki applications. Suzuki and the listed part numbers are referenced only for identification and compatibility purposes.

Can I use this kit for a different Suzuki model?

Do not assume compatibility from horsepower alone. Water-pump components can vary by model, year, shaft configuration, and serial-number range. Use the exact model and part-number information to confirm fitment before installation.

What should I do if the engine still overheats after installation?

Stop operating the engine and check the impeller orientation, key, plate, pump-cover seal, water tube alignment, tell-tale passage, and pump housing condition. If the cause is not immediately clear, have the cooling system inspected by a qualified marine technician.

Safety & Important Info

  • Verify the exact engine model, year, serial number, and original part before purchase.
  • This product is an aftermarket replacement part, not an original equipment manufacturer component.
  • The water-pump housing and other maintenance components are not included.
  • Use proper lifting, support, and isolation procedures when removing the lower unit.
  • Professional installation is recommended if you are unfamiliar with outboard lower-unit or water-pump service.

About Sea Sierra

  • Pro-Grade Standards — We supply marine replacement parts selected for practical service applications and dependable performance.
  • Fitment-Focused Support — Use the exact engine model and reference-part information to select the correct replacement components.
  • Manufacturer-Direct Value — Our aftermarket parts are offered as practical alternatives for routine marine maintenance.

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