Replacement aluminum engine anode for all brands.
Replaces E-3A, E-3AZ, CMEZ3S.
Length: 3/4" (19.1mm)
Diameter: 3/4" (19.1mm)
Thread: 1/2-13 UNC
Use with 3/4 NPT Plug (not included).
Aluminum anodes perform better than zinc in heat exchanger applications.
Anode features "Securecore®" central steel core which prevents a wasted end from falling off and blocking waterways.