Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP 2-Stroke (Replaces 692-W0078-02-00)
Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP 2-Stroke (Replaces 692-W0078-02-00) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP 2-Stroke (Rep...
Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP 2-Stroke (Replaces 692-W0078-02-00) is backordered and will ship as soon as it is back in stock.
Product Details
This complete Water Pump Impeller Repair Kit – Fits Yamaha 60-90 HP 2-Stroke Outboards (Replaces 692-W0078-02-00) provides everything needed for a full service. It is designed for a wide range of Yamaha 2-stroke outboards from 60 to 90 HP, manufactured between 1984 and 2009, including models like the C75, P75, CV85, and C90 series.
This kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Yamaha 692-W0078-02-00, 692-W0078-A0-00, 692-W0078-01-00, and Sierra 18-3370 / 18-3371.
- Engineered for direct-fit installation, matching OEM specifications.
- The neoprene rubber impeller ensures efficient cooling and long service life.
- Includes all necessary gaskets, O-rings, and hardware for a comprehensive overhaul.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 692-W0078-02-00 |
| Yamaha | 692-W0078-A0-00 |
| Yamaha | 692-W0078-00-00 |
| Yamaha | 692-W0078-01-00 |
| Sierra | 18-3370 |
| Sierra | 18-3371 |
| Mallory | 9-48602 |
| Mallory | 9-48606 |
| Mallory | 9-48616 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is designed for a range of Yamaha 2-stroke outboard motors. Please verify your specific model and year against the list below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | 60 | 60 | 2-Stroke | 2004–2005 | 692-W0078-02-00 |
| Yamaha | 70 | 70 | 2-Stroke | 2004–2009 | 692-W0078-02-00 |
| Yamaha | C75 | 75 | 2-Stroke | 1994–1999 | 692-W0078-02-00 |
| Yamaha | P75 | 75 | 2-Stroke | 1996–1999 | 692-W0078-02-00 |
| Yamaha | E75 | 75 | 2-Stroke | 1995–2000 | 692-W0078-02-00 |
| Yamaha | C80 | 80 | 2-Stroke | 1997 | 692-W0078-02-00 |
| Yamaha | C85 | 85 | 2-Stroke | 1991–1996 | 692-W0078-02-00 |
| Yamaha | CV85 | 85 | 2-Stroke | 1989–1990 | 692-W0078-02-00 |
| Yamaha | 90 | 90 | 2-Stroke | 1984–2009 | 692-W0078-02-00 |
| Yamaha | B90 | 90 | 2-Stroke | 1997–1999 | 692-W0078-02-00 |
| Yamaha | C90 | 90 | 2-Stroke | 1997–2001 | 692-W0078-02-00 |
Technical Specs
- Product Type
- Water Pump Impeller Repair Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline (2-Stroke)
- Housing Material
- Metal alloy
- Impeller Material
- Neoprene rubber
- Impeller Dimensions
- Diameter: 2-5/8" (66.7 mm), Depth: 1-13/16" (46 mm)
- Impeller Configuration
- 6 fins
What’s in the Box
- 1 x Water Pump Impeller (688-44352-03-00)
- 1 x Woodruff Key Driveshaft (90280-04M04-00)
- 1 x Cartridge Insert (688-44322-00-00)
- 1 x Cartridge Outer Plate (688-44323-00-00)
- 1 x Cartridge Gasket (688-44324-A0-00)
- 1 x Water Pump Gasket (688-44315-A0-00)
- 1 x Water Pump Gasket (688-44316-A0-00)
- 1 x O-Ring (93210-46044-00)
- 2 x Bolt With Washer (90119-08M16-00)
- 2 x Bolt With Washer (90119-08M13-00)
Installation Notes
- Disconnect the battery and ensure the engine is off and cool.
- Drain the gearcase lubricant from the lower unit.
- Remove the lower unit (gearcase) from the outboard motor.
- Unbolt and remove the water pump housing to access the old impeller.
- Clean the housing and mounting surfaces thoroughly.
- Install the new woodruff key, impeller, gaskets, and plates from the kit. Ensure the impeller fins are oriented correctly (typically clockwise).
- Reinstall the water pump housing and torque bolts to manufacturer specifications.
- Reattach the lower unit, refill with fresh lubricant, and reconnect the battery.
- Test the engine using a water supply ("ear muffs") to confirm proper water circulation from the tell-tale outlet.
Troubleshooting & FAQ
How can I confirm this kit fits my specific engine?
Check your engine's model and year against our compatibility table. The surest method is to cross-reference the OEM part number stamped on your existing parts (impeller, housing, gaskets) with the numbers listed in our Part Number Matrix.
What are the signs of a failing water pump impeller?
Common signs include a weak or non-existent water stream from the "tell-tale" outlet, engine overheating alarms, and reduced engine performance. Visible signs on the old impeller include cracked, brittle, or missing fins.
How often should the water pump impeller be replaced?
As a preventative maintenance item, it is recommended to replace the impeller every 1-2 years or every 100-200 hours of operation, depending on usage conditions (e.g., saltwater vs. freshwater).
Does this kit include the entire water pump housing?
This is an impeller repair kit. It includes the internal components like the impeller, insert cartridge, plates, and gaskets. It does not include the main outer water pump housing itself.
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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