Water Pump Impeller Kit – Fits Yamaha 50-130 HP 4-Stroke Outboards (Replaces 68V-W0078-00-00, 68V-W0078-01-00)
Water Pump Impeller Kit – Fits Yamaha 50-130 HP 4-Stroke Outboards (Replaces 68V-W0078-00-00, 68V-W0078-01-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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.
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Water Pump Impeller Kit – Fits Yamaha 50-130 HP 4-Stroke Outboards ...
Water Pump Impeller Kit – Fits Yamaha 50-130 HP 4-Stroke Outboards (Replaces 68V-W0078-00-00, 68V-W0078-01-00) is backordered and will ship as soon as it is back in stock.
Product Details
Restore your engine's cooling power with this complete Water Pump Impeller Kit – Fits Yamaha 50-130 HP 4-Stroke Outboards, designed for Yamaha 50-130 HP 4-Stroke outboards (F/LF/VF series) from 2002 and newer. It is also compatible with select Parsun 115 HP 4-stroke models that use Yamaha-based designs.
This kit provides a direct interchange for Yamaha OEM parts 68V-W0078-00-00 and 68V-W0078-01-00, as well as aftermarket references including Sierra 18-3442, GLM 12067, and AM68V-W0078-00.
- Installation: Engineered as a direct OEM replacement for a precise fit.
- Durability: Features a neoprene rubber impeller and corrosion-resistant alloys for reliable performance in both salt and fresh water.
- Kit Type: A complete service kit for comprehensive water pump maintenance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 68V-W0078-00-00 |
| Yamaha | 68V-W0078-01-00 |
| Sierra | 18-3442 |
| Sierra | 18-3523-1 |
| GLM | 12067 |
| Aftermarket | AM68V-W0078-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is designed for a range of Yamaha 4-stroke outboards from 75 HP to 130 HP manufactured in 2002 or later.
Compatibility is also confirmed for Parsun 115 HP models that are based on Yamaha's engine designs.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | F75 | 75 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | F90 | 90 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | VF90 | 90 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | F115 | 115 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | FL115 | 115 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | LF115 | 115 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | VF115 | 115 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | F130 | 130 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Yamaha | LF130 | 130 | 4-Stroke | 2002 and newer | 68V-W0078-00-00/68V-W0078-01-00 |
| Parsun | 115HP | 115 | 4-Stroke |
Technical Specs
- Product Type
- Water Pump Impeller Kit
- Installation
- Direct OEM replacement
- Material
- Neoprene rubber (impeller); Marine-grade corrosion-resistant metal alloy (housing components)
- Application
- Marine cooling system
- Kit Type
- Complete service kit
- Manufacturing Standard
- ISO9002 certified factory
- Quality
- OEM specification match
- Other Technical Attributes
- Designed for salt and fresh water use
Installation Notes
- Disconnect the battery cables and disable the ignition system for safety.
- Place a drain pan under the lower unit and remove the gear oil drain plug to empty the oil.
- Remove the bolts securing the lower unit (gearcase) to the engine's midsection and carefully lower it.
- Locate and unbolt the water pump housing cover to expose the old impeller.
- Remove the old impeller, gaskets, and wear plate, noting their orientation.
- Thoroughly clean the housing and all mating surfaces, removing any old gasket material or debris.
- Install the new wear plate and gaskets, followed by the new impeller. Lightly grease the housing interior and ensure impeller vanes curve in the direction of engine rotation.
- Reinstall the water pump housing, tightening bolts to the manufacturer's specified torque.
- Reattach the lower unit to the engine, ensuring all linkages are properly aligned, and tighten bolts to spec.
- Refill the lower unit with fresh marine gear oil and reinstall the drain plug.
- Reconnect the battery, start the engine, and immediately check for a steady water stream from the tell-tale outlet.
Troubleshooting & FAQ
How do I confirm this impeller kit fits my specific engine?
The surest way is to match your engine's model and year to our compatibility table. You can also cross-reference your existing part number with the numbers listed in the Part Number Matrix. If you are still unsure, please contact us with your engine's serial number.
What are the common signs of a failing water pump impeller?
The most common signs include a weak or non-existent water stream from the "tell-tale" outlet, engine overheating alerts, or a noticeable decrease in engine performance. A worn impeller cannot effectively pump cooling water through the engine.
How often should I replace my outboard's water pump impeller?
As a general rule, it's recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of operation, depending on usage conditions (e.g., saltwater vs. freshwater, sandy/silty water).
Is this kit suitable for saltwater environments?
Yes, the kit is designed for use in both salt and fresh water. The impeller is made from durable neoprene rubber, and the metal components are made from marine-grade, corrosion-resistant alloys to withstand harsh marine environments.
What's the main difference between this and the OEM Yamaha part?
This is an aftermarket part designed to meet or exceed OEM specifications for fit, form, and function. While the manufacturer is different, it is made with comparable high-quality materials in an ISO 9002 certified facility to ensure reliability and performance at a better value.
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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