Metal Guide

Al
Suitable for salt & fresh water
Mg
Suitable for fresh water
Zn
Suitable for salt water

Follow our colour coding for easy identification of metals.

Cummins Engine Anodes and Plugs

Cummins zinc anodes for all Cummins diesel engines. Made to US MIL Spec for maximum protection. Brass plugs also available separately if required.

Cummins/Onan Engine Anode Original Part Numbers

3957921 = E-1G
3979452 = E-1G
3970463 = E-2C
5290511 = E-1 or 02045
68241 = E-2 or 02044

Cummins Zinc Anode Help Articles

We are regularly adding to our help centre and Cummins Engine anode configurations.