Caterpillar C-12 Marine Engine Anodes
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Anodes and Plugs
You will need the following anodes for the heat exchanger:
6L2281 x 3
This is the replacement zinc pencil only. 1 x port side, 2 starboard side
6L-2279G x 3
This is the plug only
You will need the following anodes for the transmission oil cooler:
This is the zinc pencil anode only
6L-2279G x 2
This is the plug only
