SPRING INTO SAVINGS: 10-50% discount on all OEM parts!

Unless prohibited by manufacturer. Does not include aftermarket products. Priced as marked.

Trusted Since 2005★★★★★ 4.7/5 Stars
My Account
& Order Status
Contact Us

PartsPak.com orders will be processed and fulfilled by Crowley Outdoors. For support please call (800) 580-0720.

Flat $9.95 Shipping on ALL parts orders

We offer flat $9.95 shipping on ALL parts orders. (Complete Engines, Lower Units, Sterndrives, and Oversize items excluded). In addition, orders over $89 have reduced cost express shipping available at checkout.

shipping mapshipping map legend

You can get a rough idea of standard transit times from the map above.

Lower Casing Cap
Yamaha Motors

Lower Casing Cap 66R-45361-00-8D

Country of Origin:
Japan
Genuine OEM product
$95.50$112.35
You save $16.85
-15%
In stock
5+ in stock
  • This is an OEM part manufactured by Yamaha Motors
  • 30 day return policy
Yamaha Motors logo

Discounted Products

See all discounted products
Our verified social media accounts

Beware of impersonators

Product Questions 0

Don't hesitate to ask a question. It will be answered by our support staff or a fellow boater.

1 Product Reviews

great, very easy and quick shipping

Augie Ciulla — Aug 18, 2025

Parts Fitment

Please verify fitment before ordering.

BrandProduct LineModel1999200020012002200320042005200620072008200920102011201220132014201520162017
Yamaha MotorsInternational8
Yamaha MotorsInternational9.9
Yamaha MotorsOutboard8
Yamaha MotorsOutboard9.9

Supersession Chain

NameSKUSuperseding SKU
Lower Casing Cap66R-45361-00-4DCurrent
Lower Casing Cap(viewing)66R-45361-00-8DCurrent