Trim pump part ID help needed please

bear_69cuda

bear_69cuda

Commander
Joined
Oct 10, 2008
Messages
2,109
Morning Gang,

My Trim Reservoir seems to be leaking, so I'm looking for a replacement.

I understand there is a single screw type, and one with 4 screws that attach the pump/motor. Mine is located in a tricky spot for viewing...

My drive is a 1999 Alpha I gen II drive SN: OL448413

My Engine is a 1999 3.0L SN: OL337309

Can I determine what type of reservoir I have from these SN's, or do I need to remove the pump assy?

If I have the single screw type, I hear there is a update kit with new pump, but sounds expensive. Should I update or just get replacement reservoir?

If I have the 4 screw type I'll just get the replacement...

Thanks in advance!
 
H

HT32BSX115

Supreme Mariner
Joined
Dec 8, 2005
Messages
10,083
Re: Trim pump part ID help needed please

Howdy,

Take a look at Doug russells, or other Mercruiser parts site...

You can see pictures there of the trim pump.

Example


Regards,

Rick
 
Zackman

Zackman

Petty Officer 1st Class
Joined
Dec 3, 2005
Messages
376
Re: Trim pump part ID help needed please

Per your S/N...The reservior pn is 18525A 1, which is the single screw type. The pn for the o-ring between reservior and pump is 17645.​
 
bear_69cuda

bear_69cuda

Commander
Joined
Oct 10, 2008
Messages
2,109
Re: Trim pump part ID help needed please

Thanks dudes!

Hey Zachman,

How did you find PN using my SN? Just curious?
 
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