Universal M-12 Heat Exchange Zinc Anode

Jun 11, 2004
1,633
Oday 31 Redondo Beach
Most likely a 00

MODEL​
NPT​
DIAMETER
(A)​
LENGTH
(B)​
E-00​
1/8​
1/4"​
2"​
 
Oct 22, 2014
21,088
CAL 35 Cruiser #21 moored EVERETT WA
Hale marine shows this image for your listed model.
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It is indicating a 3/8" zinc.
I found my HE zincs at BoatZincs.com (978-841-9978) - The Online Superstore for Zinc Anodes
Need to know how long the zinc needs to be. You my have to cut down the one you buy... Easy with a Dremel. Then you can measure and order the right length. Not if the diameter of the HE is 2" the zinc will be shorter maybe like 1.5".
Mine was a 3" diameter HE and it took a 1.25 long zinc due to internal bracing..
 
Jul 5, 2011
702
Oday 28 Madison, CT
If that is the original heat exchanger, it takes Universal P/N 301069. No cutting necessary as long as it is clear up in there. Not sure of the diameter but if you order that part you should be right. If you ever need a new HE, there are better ones with nickel in them and mine came with a much bigger anode so double benefit.
 
Jun 11, 2004
1,633
Oday 31 Redondo Beach
From the parts manual:

UNIVERSAL DIESEL FAST MOVING PARTS

Model: __ M-l2

Heat Exchanger 298633

Zinc 301069 (F)

(F) ZINC SIZE IS 1/8 NPT X 1-7/8" LONG X 3/16 DIAMETER.


But don't get a universal westerbeke original part unless you want to pay a lot extra. I get just the anode without the brass plug for under two dollars. But sometimes the little bit of zinc is stuck in the brass and you need that too.
 
Jul 5, 2011
702
Oday 28 Madison, CT
Last price I paid for that was $7.50 so not sure about how much labor you want to invest to try to get lower, even at a $15/hour wage(!!!!!)
 
Jun 11, 2004
1,633
Oday 31 Redondo Beach
The 1/8” only come with the brass plug attached
I get them without the brass from my local chandlery.
$3.55 with the brass from your link is a good price. But not as good as your offer for for sending them for just the postage. Nice.
 

dfp51

.
Jun 26, 2019
42
O'Day 28 Lorain, Ohio
The zinc measures 1/8" Npt X 1/4" Diam X 2 Length
The original Universal Part # was 301069 and is no longer available. The replacement in Canada Metal Part #CME00.
TOAD Marine sells them for $3.00 each. I just ordered several.
 
Mar 6, 2008
1,089
Catalina 1999 C36 MKII #1787 Coyote Point Marina, CA.
To measure length, use a screw driver and gently move up until it stops. There is nothing that can get damaged.