2 x Yanmar GM series engine anodes are
screwed into the bush with an 8mm thread

Fits 2GM20,3GM30,2GM,3GM,3GMD,3HM
(Will fit 1GM10 and 1GM if 10mm is cut off the end to make body 20mm long)
Size: zinc body, dia 20mm, length 30mm
. . Stud: thread 8/1.25mm, length 11mm

Phone 07812543163 / 07796242036