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FLASHSALE26

Water Pump Repair Kit – Fits Yamaha F115 (Replaces 68V-W0078-00-00, 9-48611, 18-3442)

Regular price $59.26

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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.


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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 all the necessary components to rebuild the water pump assembly for Yamaha F115 4-stroke outboard engines from 2002 and newer. This kit excludes the main housing, focusing on the internal wear parts for routine maintenance and repair.

It serves as a direct interchange for Yamaha 68V-W0078-00-00, Mallory 9-48611, and Sierra 18-3442, ensuring broad compatibility for a straightforward replacement.

  • Engineered for direct-fit installation.
  • Manufactured in Italy to high-quality standards.
  • Backed by a Limited Lifetime warranty for peace of mind.

Part Number Matrix

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

Brand Part Number
Yamaha 68V-W0078-00-00
Sierra 18-3442
Mallory 9-48611

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This kit is specifically designed for the following Yamaha outboard models.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha F115 115 4-Stroke 2002–Current 68V-W0078-00-00 Same as 18-3523-1 but without housing

Technical Specs

Product Type
Outboard Water Pump Repair Kit
Installation
Direct replacement
Compatibility
Yamaha F115 Outboards
Weight
1.18 lbs (0.54 kg)
Manufacturing Origin
Italy
Warranty
Limited Lifetime (Sierra brand)

What’s in the Box

  • 1 x Water Pump Repair Kit (Replaces 68V-W0078-00-00)

Note: This kit includes all necessary components to rebuild the water pump except for the housing.

Installation Notes

  1. Disconnect the negative battery terminal to prevent electrical shorts.
  2. Remove the lower unit (gearcase) bolts and drop the assembly from the midsection.
  3. Unbolt and remove the old water pump housing to access the impeller and wear plate.
  4. Clean all mating surfaces of old gasket material and corrosion.
  5. Install the new components from the kit in the reverse order of removal.
  6. Lightly grease the new impeller and the inside of the pump cup before reassembly.
  7. Torque all fasteners to the manufacturer's recommended specifications.
  8. Reinstall the lower unit, ensuring the driveshaft and water tube are properly aligned.
  9. Refill the gearcase with fresh marine gear lubricant.
  10. Reconnect the battery and test run the engine in water, confirming a steady stream from the tell-tale outlet.

Troubleshooting & FAQ

How do I know if this kit fits my specific F115 model year?

This kit is compatible with Yamaha F115 four-stroke outboards manufactured from 2002 to the current model year. To ensure a perfect match, always verify your engine's original part number against the provided cross-references, primarily 68V-W0078-00-00.

What signs indicate a failing water pump?

The most common symptoms include a weak or non-existent water stream from the tell-tale outlet, engine overheating alarms, or discovering a brittle, cracked, or melted impeller during a routine inspection.

How often should the water pump be serviced?

It is recommended to inspect the impeller annually and replace the water pump kit every 1-2 years or 100-200 operating hours, whichever comes first. Service intervals should be shorter if operating frequently in sandy, silty, or saltwater environments.

Does this repair kit include the water pump housing?

No, this kit is designed for rebuilding the pump assembly and includes the internal wear components (impeller, gaskets, plates, etc.) but does not include the outer housing.

Is there a difference in quality between this and an OEM part?

This is an aftermarket replacement part, not OEM. It is engineered to meet or exceed original equipment manufacturer (OEM) specifications for fit, performance, and durability, offering a reliable and cost-effective alternative.

Do I need special tools for installation?

Standard marine mechanic's tools are required, such as a socket set, torque wrench, and screwdrivers. No highly specialized or proprietary tools are necessary for a typical water pump service.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

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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