Caterpillar 3116 Marine Engine Anodes
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You will need the following anodes for this engine type:
6L2283 x 3
This is the replacement zinc pencil only for heat exchanger
6L2281 x 2
These zinc pencils are fitted in the oil cooler. The item linked here is the 3/8″ UNC version. Some engines have the 7/16″ UNC version so look up 02029
6L3104 x 1
These zinc pencils are fitted in the exhaust
