Contact Us
My Account
Search Over 1 Million OEM Parts
Most parts in stock- Same day fulfillment

Select your engine to find parts:

Yamaha V6 3.3L 300HP HPDI 2004-2006 YMG623R

You save $295.00. (10%) $3085
+ $100 refundable core charge
Not all variations in stock
  • This is a Crowley Marine brand product
  • Flat rate shipping, no hidden fees
  • Core return shipping included
  • 30 day return policy

Product Description

New lower unit for Yamaha 300 horsepower 3.3L 2-stroke HPDI engines manufactured from 2004 to 2006. This unit covers models using bolt-in style bearing carrier. Includes break-in instructions. Carries a full one year warranty.
Read more about our remanufactured lower units.


This product is mentioned in 1 document:

3 Product Variations available

4 Product Questions

Is this available in counter rotation 25” shaft?

Nathan Johnson


Greetings, What is your Yamaha model number please so I can verify fitment on the unit. Thank you

Does unit come with water pump ? Do you wan the core back.

Rick Poorman


This unit does not come with the water pump. We can add one to the order if needed, or you can reuse your old one. There would be no core charge on this unit. So we would not need that back.

Is this unit made by Yamaha



Hello, No, those lower units are manufactured by our warehouse. We do offer OEM lower units as well. You can get a price on that using the parts catalog here: Thank you,

Is this housing brand new own or is this remanufacted ?


This is a new unit, so every component is brand new.