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Lower Unit Housing 66T-45311-01-4D for Yamaha Outboard Engine 2-Stroke 40HP

Lower Unit Housing 66T-45311-01-4D for Yamaha Outboard Engine 2-Stroke 40HP

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SKU#: FPPX2509417
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Product Details

Lower Unit Housing 66T-45311-01-4D for Yamaha Outboard Engine 2-Stroke 40HP

Replacement Part Number: 66T-45311-01-4D, 66T45311014D

Application:
Fit For Yamaha Outboard Engine 2-Stroke 40HP

Product Highlights
Brand: FridayParts
Compatible Engine Brand: For Yamaha
Engine Number: 40HP
Replacement Part Number: 66T-45311-01-4D, 66T45311014D
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Top Reviews

user
Tino Schaupeter
Reviewed on 24/09/2025
Perfect Fit, Works Like New

Dropped this lower unit housing onto my 40HP Yamaha and it fits perfectly. Super sturdy, no leaks, and installation was straightforward. Boat runs smooth and everything feels solid—definitely feels like a brand-new engine down there. Really happy with this purchase!

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