A brass plug, original part number 1149096. The engine anode is manufactured to US MIL Spec by Tecnoseal in Italy, one of the world's leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market.
3116, 3126, 3406E.
Does not fit 3512B and 3512C marine engines - use 02021-1 instead.
a: 1/4" GAS.
b: 1/4" UNC.
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