Zinc anode set for the 2GM20 consisting of.

2 x zinc anode 27210-200300

2 x gasket 123210-09310

(1 zinc anode on the side in the block. 1 zinc anode in the rear cylinder head)

Zinc anode set for the 3GM30 consisting of.

3 x zinc anode 27210-200300

3 x gasket 123210-09310

(2 zinc anode on the side in the block. 1 zinc anode in the rear cylinder head)

This zinc anode set fits the engines…

Zinc anode set for the 3HM(35) consisting of.

3 x zinc anode 27210-200300

3 x gasket 123210-09310

(2 zinc anode on the side in the block. 1 zinc anode in the rear cylinder head)

These anode split mounting allen bolts fit the saildrive below.

Yanmar SD20

Yanmar SD25

Yanmar SD30

Yanmar DS40

Yanmar SD50

Yanmar SD60