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.

General Motors Engine Anodes and Brass Plugs

General Motors engine anodes and plugs for GM marine diesel engines. Zinc pencils and plugs available separately. Made to US MIL Spec for the ultimate cathodic protection.

General Motors Anodes Original Part Numbers

    • 8925832 = our part TEC-E1E-Z
    • 8517479 = our part TEC-E2 or 02000T square head
    • 8517480 = our part 02000
    • 8515851 = our part 02001
    • 8515842 = our part 02002

If you have a mystery size anode, contact us and we will help you identify it!