Kaiyueda supply
Commerce editorial system
  • Home
  • Products
  • Journal
  • About Us
  • Contact Us
Get a Quote
  1. Home
  2. Products
  3. Yamaha 66T Water Pump Repair Kit for 40HP Outboard Motor Copy
65fc4e2f97860cb12e6f2b9129f0bb1b

Yamaha 66T Water Pump Repair Kit for 40HP Outboard Motor Copy

66T-W0078-00 Water Pump Repair Kit is a complete replacement solution designed for Yamaha 9.9HP and 15HP outboard motors. The water pump system plays a critical role in maintaining engine cooling by circulating cooling water through the engine.

Yamaha 66T-W0078-00 Water Pump Repair Kit for 40HP Outboard Motor Parts

Product Overview

The 66T-W0078-00 Water Pump Repair Kit is a complete replacement solution designed for Yamaha 40HP outboard motors. The water pump system plays a critical role in maintaining engine cooling by circulating cooling water through the engine.
Over time, components such as the impeller, seals, and pump housing parts may wear out due to continuous operation in marine environments. Replacing the complete water pump repair kit helps restore proper water flow, prevent engine overheating, and extend outboard motor service life.
This kit includes essential water pump components manufactured with reliable materials for accurate fitment and stable performance.

Product Details

Product Name: Water Pump Repair Kit OEM Reference: 66T-W0078-00 Application: Yamaha Outboard Motor Engine Type: 2-Stroke / 4-Stroke Outboard Horsepower: 40HP
Main Components Included:
  • Water Pump Impeller
  • Cartridge Insert
  • Outer Plate
  • Water Seal / Damper
  • O-Ring
  • Woodruff Key
  • Mounting Hardware

Compatible Yamaha Outboard Models

Designed for Yamaha:
  • 40HP Outboard Motors
  • E40 Series
  • E40X Models
Please confirm your engine model and original part number before ordering.

Product Features

✅ Complete Cooling System Repair Solution

Includes the main wear components required for water pump maintenance, allowing you to replace multiple aging parts at once.

✅ Restore Cooling Performance

A worn impeller or damaged seal can reduce water circulation and increase engine temperature. This repair kit helps restore efficient cooling performance.

✅ Durable Marine Materials

Designed for continuous operation in saltwater and freshwater environments with good resistance to wear and corrosion.

✅ Direct Replacement Fit

Manufactured according to original specifications for easy installation and reliable compatibility.

Advantages of Our 66T Water Pump Kit

✔ High-quality aftermarket replacement ✔ Complete repair kit design ✔ Accurate OEM-style dimensions ✔ Suitable for Yamaha 40HP engines ✔ Ideal for marine repair shops and distributors ✔ Competitive wholesale supply

Applications

Suitable for:
  • Fishing boats
  • Small recreational boats
  • Marine repair workshops
  • Outboard engine service centers
  • Spare parts distributors

Continue browsing

More products from the catalog

Pair it with other pieces from the same collection or routine.

93332-000W7

Yamaha Outboard Bearing 93332-000W7-00 | Gearcase Parts

Yamaha outboard bearing 93332-000W7-00 for compatible lower unit and forward gear applications. Wholesale marine engine replacement parts. Contact us for pricing and fitment confirmation.

View product
93332-000V31

Yamaha Outboard Bearing 93332-000V3-00 | Lower Unit Parts

Yamaha 93332-000V3-00 tapered roller bearing for compatible outboard lower unit applications. Wholesale marine engine parts for distributors and repair shops. Contact us for a quote.

View product
93332-000U51

Yamaha Outboard Bearing 93332-000U5-00 | Marine Parts

Shop Yamaha outboard tapered roller bearing 93332-000U5-00 for compatible lower unit applications. Wholesale marine engine parts supply. Contact us for pricing and fitment verification.

View product
Every goods

OEM & SEABOND

Trusted OEM Standard Marine Parts Supplier For Global Markets.

InstagramFacebookTictok
Shop
ProductsNew arrivals
Company
About usContact us

© 2026 Northstar. All rights reserved.

Ships from China.