Many marine engines are fitted with internal zinc anodes to protect the metals of heat exchangers, coolers and casings from electrolytic corrosion. Please see below the measurements of the Anode Pencil with brass plug. If the brass plug is not required see SKU N27

 

 

Part Number Length Exposed Length Diameter Plug Head Size External Plug Thread
21116 60mm 44mm 10mm 14mm Hex 1/4" BSP
21118 73mm 52mm 13mm 17mm Hex 3/8" BSP
21120 76mm 51mm 16mm 22mm Hex 1/2" BSP
21122 78mm 51mm 19mm 27mm Hex 3/4" BSP

 

 

Part Number Alternative Part Number
21116 (1/4") Universal 9-032, Kohler 260085
21118 (3/8") Universal 9-035
21120 (1/2") Universal 9-036, Yanmar 119574-18790, Cummins 68241
21122 (3/4")  
SKU N25
Brand Martyr
Shipping Weight 0.1000kg
Shipping Width 0.100m
Shipping Height 0.100m
Shipping Length 0.100m
Shipping Cubic 0.001000000m3
Unit Of Measure ea

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