97-8M0151541 (CDZ9-83) MerCruiser Diesel air cooler zinc anode

MerCuiser type zinc anode equivalent to p/n 816000, Fits in the air cooler (inter cooler) on the following MeCruiser marine diesel engines:

CMD 2.8 ES 165
CMD 4.2 EI/ES 250/300
CMD 4.2 MI/MS 200/230
D2.8L 165 D-Tronic
D254 Turbo AC
D3.0L
D3.6L
D4.2L 200/220
D4.2L 250/300 D-Tronic