PREPARE FOR WINTER: 10-50% discount on all OEM parts!

Unless prohibited by manufacturer. Does not include aftermarket or Crowley Marine branded products. Priced as marked.

Contact Us
Overstock
Up to 50% off
Search Over 1 Million OEM Parts
Easy-to-use  parts diagrams Best price  guarantee Expert  live support 50+ years  of serving boaters Huge selection of OEM parts  -  from 1950 to 2026 Most parts in stock  -  Same day fulfillment
Most parts in stock- Same day fulfillment
Where is my model number?

Select your engine to find guaranteed-fit parts:

Yamaha Motors

LOWER UNIT ASSY 66M-45300-04-8D

Country of origin:
Japan
$1,080.72 $1,200.80
You save $120.08 (10%)
Cross ship
Yamaha Motors logo
Our verified social media accounts

Beware of impersonators

Refresh