Kaiyueda supply
Commerce editorial system
  • Home
  • Products
  • Journal
  • About Us
  • Contact Us
Get a Quote
  1. Home
  2. Products
  3. 66T-45300-11-4D Lower Unit Assy Long For Yamaha Outboard Engine Spare Parts 40HP 2-Stroke Boat
66t
PROPELLER

66T-45300-11-4D Lower Unit Assy Long For Yamaha Outboard Engine Spare Parts 40HP 2-Stroke Boat

Complete Lower Unit Assembly for Yamaha 40HP 2-Stroke Outboards The 66T-45300-11-4D Lower Unit Assy Long is a complete replacement gearcase assembly designed for Yamaha 40HP 2-stroke outboard engines. Engineered for reliable power transmission and smooth operation, this long-shaft lower unit provides excellent durability and performance in both freshwater and saltwater environments.

66T-45300-11-4D Lower Unit Assy Long Product Description
Suitable for replacing damaged, worn, or corroded lower units, this assembly helps restore your outboard's propulsion efficiency and overall reliability. Compatible replacement numbers include 66T-45300-11-4D and 66T-45300-13-4D. It is commonly used on Yamaha 40HP 2-stroke models such as E40XMH, 40XWT, 40XWH, 40XW, E40XWH, E40XW, 40XMH, and E40XWT.

Features

✅ OEM Standard Replacement Quality ✅ Complete Long Shaft Lower Unit Assembly ✅ Precision Gear Transmission System ✅ Corrosion-Resistant Marine-Grade Materials ✅ Smooth Shifting and Reliable Performance ✅ Direct Replacement for Yamaha 40HP 2-Stroke Models

Benefits

  • Restores original propulsion performance
  • Reduces downtime and maintenance costs
  • Improves gear engagement and shifting response
  • Designed for demanding marine environments
  • Ideal for commercial fishing boats and recreational vessels

Specifications

  • Part Number: 66T-45300-11-4D
  • Product Name: Lower Unit Assembly Long
  • Engine Type: Yamaha 40HP 2-Stroke
  • Shaft Type: Long Shaft
  • Application: Outboard Engine
  • Condition: New
  • Warranty: 1 Year (supplier dependent)

Continue browsing

More products from the catalog

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

Y200hp
PROPELLER

Yamaha 200HP Outboard Piston Kit – High Quality Engine Rebuild Parts

The Yamaha 200HP Outboard Piston Kit is designed for engine rebuilding and maintenance applications, providing a reliable replacement solution for worn or damaged piston components. Manufactured with durable materials and precise machining technology, this piston kit helps restore engine compression, improve combustion efficiency, and extend the service life of your Yamaha outboard motor.

View product
y7585hp
PROPELLER

Outboard Piston Kit 688-11631-03-94, Piston Ring 688-11603-00

The Yamaha 75HP Outboard Piston Kit 688-11631-03-94 is designed for rebuilding and repairing Yamaha 2-stroke outboard engines. This piston kit includes a precision-machined piston and matching piston rings, helping restore engine compression, improve combustion efficiency, and extend engine service life.

View product
cb3f18c948152306ca984414a76fdc4c
PROPELLER

Yamaha 692-W0078-00 Water Pump Repair Kit for 60HP 70HP 75HP 90HP Outboard Motor

The 692-W0078-00 Water Pump Repair Kit is a complete maintenance solution designed for Yamaha 60HP to 90HP 2-stroke outboard engines. The water pump is one of the most important components in an outboard motor cooling system. It circulates cooling water through the engine to maintain proper operating temperature. After long-term operation, the impeller, seals, and internal pump components may wear out, reducing cooling efficiency.

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.