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FLASHSALE26

Water Pump Repair Kit – Fits Yamaha F75, F80, F90, F100 (Replaces 67F-W0078-00-00, 18-3451, 8M6012802)

Regular price $44.50

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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@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This Water Pump Repair Kit provides everything needed for a complete service of the water pump on Yamaha 4-Stroke 75–100 HP outboards (1999–2017). It is compatible with Yamaha F75, F75A, F80, F90, F90A, and F100 engine models, restoring cooling system performance and reliability.

This kit is a direct interchange for Yamaha 67F-W0078-00-00, Sierra 18-3451, and Quicksilver 8M6012802.

  • Engineered for direct OEM replacement installation.
  • Includes all necessary gaskets, seals, and hardware for a complete impeller replacement.
  • Restores cooling efficiency to prevent overheating.

Part Number Matrix

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

Brand Part Number
Yamaha 67F-W0078-00-00
Sierra 18-3451
Quicksilver 8M6012802

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This kit fits a range of Yamaha four-stroke outboards. Please verify your specific model and production year before ordering.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha F75 75 4-Stroke 2003–2017 67F-W0078-00-00
Yamaha F75A 75 4-Stroke 2006–2017 67F-W0078-00-00
Yamaha F80 80 4-Stroke 1999–2003 67F-W0078-00-00
Yamaha F90 90 4-Stroke 2003–2015 67F-W0078-00-00
Yamaha F90A 90 4-Stroke 2006–2017 67F-W0078-00-00
Yamaha F100 100 4-Stroke 1999–2003 67F-W0078-00-00

Technical Specs

Product Type
Water Pump Repair Kit
Installation
Direct OEM replacement
Other Technical Attributes
OEM quality replacement parts for complete impeller replacement

What’s in the Box

  • 1 x Cartridge Insert (67F-44322-00-00)
  • 1 x Impeller (67F-44352-00-00)
  • 1 x Water Pump Gasket (688-44315-A0-00)
  • 1 x Cartridge Outer Plate (67F-44323-00-00)
  • 1 x Cartridge Gasket (688-44324-A0-00)
  • 1 x Water Pump Gasket (688-44316-A0-00)
  • 1 x O-Ring (93210-46044-00)
  • 2 x Bolt, with Washer (90119-08M87-00)
  • 2 x Bolt, with Washer (90119-08M13-00)
  • 1 x Woodruff Key (90280-04M04-00)

Installation Notes

  1. Disconnect the battery and remove the engine cover for safety. Ensure the engine is in neutral.
  2. Drain the gearcase oil into a suitable container.
  3. Remove the bolts securing the lower unit (gearcase) to the upper casing and carefully lower it.
  4. Unbolt and remove the old water pump housing to access the impeller and wear plates.
  5. Clean all mating surfaces thoroughly, removing any old gasket material or corrosion.
  6. Install the new woodruff key, gaskets, wear plate, and impeller from the kit. Ensure the impeller vanes are oriented correctly.
  7. Re-install the water pump housing, tightening bolts to the manufacturer's specified torque.
  8. Re-install the lower unit, ensuring the driveshaft, shift shaft, and water tube are correctly aligned.
  9. Refill the gearcase with fresh marine gear lubricant.
  10. Start the engine in a test tank or with a water source attached to verify proper water circulation from the tell-tale outlet.

Troubleshooting & FAQ

How do I know if my water pump is failing?

Common signs include the engine overheating at idle or low speeds, a weak or inconsistent "tell-tale" water stream, and visible damage or brittleness on the old impeller upon inspection.

What is the recommended replacement interval for this kit?

For optimal engine protection, we recommend replacing the water pump impeller and gaskets annually or every 100 hours of operation, whichever comes first. This can vary based on usage conditions (e.g., saltwater vs. freshwater).

Does this kit fit my specific engine model?

This kit is designed for Yamaha F75, F80, F90, F90A, and F100 outboards from 1999–2017. Please check the "Engine & Model Compatibility" table on this page to confirm your exact model and year range before ordering.

Is the woodruff key for the impeller included?

Yes, a new woodruff key is included in the kit to ensure a secure and proper fit on the driveshaft.

Is this kit difficult to install?

Installation requires basic mechanical skills and tools to remove the lower unit. If you are not comfortable performing this service, we recommend seeking a qualified marine mechanic.

What's the difference between an OEM and an aftermarket water pump kit?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials and is manufactured in an ISO 9001 certified facility, with batch-inspected parts for quality and consistency.

How fast do you ship and what does it cost?

We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout if available for your location.

What is the warranty and return policy?

Our products are 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 within our standard window, provided the item is unused and in its original condition. See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images and specifications against your original part before purchase. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement part, 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 quality control.

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