Simple but im frustrated.

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Dan14143

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Aug 10, 2012
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I have a 1991 Mercruiser Alpha Gen 2 drive that came in two pieces from its previous home. it was apart for a water pump replacement and the man had a heart attack. The problem is that the water tube and connections from the lower unit to the upper are missing. I cannot seem to locate the propper fittings to remedy this problem. I looked on marine wholesale and there are several water tubes but im really not sure what it used to look like as this is my first project . I hope that you can steer me in the correct direction as far as what I am looking for.
Thanks
Dan
 
shifter nut

shifter nut

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Re: Simple but im frustrated.

get serial number off styern drive and go too boat dealer....they will fix you up... or you can search it online they also sell parts on this site
 
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whitefish1

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Re: Simple but im frustrated.

Dan, I had my '93 gen two apart last year and had to replace the water tube (burnt).

Go to this website and punch in your drive serial # (will be on the drive on gimbral ring and/or on side of drive).

Mercury Parts Express: https://webapps.brunswick.com/literature/literatureSearch.do
or
PPT Marine: http://www.perfprotech.com/store/default.aspx (type serial Number in "Search by Serial #"


When I punch in mine, the part number I replaced is:

Coupling Assembly: 816597A 1
Sleeve: 23-816583
O-Rings @ 2: 25-21836

These may or may not be the same as yours, but gives you a general idea. Best to search by your Serial #.
 
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Dan14143

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Re: Simple but im frustrated.

Alright well i tried searching by the serial # OD527049 i found the tube at P# 814384 and the upper seal is 88397 however i was unable to find the guide and washers in the pictures at all ... maybe im just slow haha
 
ktbarrentine

ktbarrentine

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Re: Simple but im frustrated.

+1 on Whitefish's numbers....good info.... also,

Guide typically comes with the water pump rebuild kits. What washers are you missing? (photos of where they go are a big help).

More parts sources are:

www.crowleymarine.com

www.mercruiserparts.com

go to the parts search section and plug in your info. You get exploded drawings and part numbers/prices. Then can cross ref to other sites if you want (I even go to amazon....love the free shipping!....sometimes.)

Your tube looks like part number 32-860220 (sierra part 18-3221)
 
ktbarrentine

ktbarrentine

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Re: Simple but im frustrated.

bad Link.... (it takes me to my cart, which is empy!)... ANyways, I think you are on the right road. Good luck!
 
Don S

Don S

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Re: Simple but im frustrated.

Dan14143 said:
Alright well i tried searching by the serial # OD527049 i found the tube at P# 814384 and the upper seal is 88397 however i was unable to find the guide and washers in the pictures at all ... maybe im just slow haha
Click to expand...


https://webapps.brunswick.com/literature/literatureSearch.do

Go to the section marked Gear Housing, Driveshaft, Standard Rotation that is the section that covers all the water pump parts and the guide.

Untitled4.jpg
 
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Dan14143

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Re: Simple but im frustrated.

Thanks everyone I think I have all the parts ordered and should be here tommorow. Is there any think special when puttind the upper and lower unit together I dont know.I have put them together to look at the mating surface ad was able to get it right on.. just perfect seal on all gaskets and bolt it right ? and the forward gear thing ..
 
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