Engine Anodes – Zinc-only
Replacement Mil-Spec zinc anodes for NPT bronze
plugs. Threads are measured by UNC standards.
MODEL
DIAMETER (A)
LENGTH (B)
WEIGHT
(LBS.)
UNC THREAD
    E-00Z
    1/4"
    2"
0.03
    1/4-20
    E-0Z
    3/8"
    1-3/4"
0.06
    5/16-18
    E-0AZ
    3/8"
    2-1/2"
0.07
    5/16-18
    E-0BZ
    3/8"
    2"
0.05
    5/16-18
    E-0CZ
    3/8"
    1-1/2"
0.06
    1/4-20
    E-0HZ
    1/2"
    1-5/8"
0.08
    3/8-16
    E-1Z
    1/2"
    2"
0.10
    3/8-16
    E-1DZ
    1/2"
    1-3/4"
0.09
    3/8-16
    E-1EZ
    1/2"
    1-1/2"
0.08
    3/8-16
    E-1FZ
    1/2"
    1-1/4"
0.07
    3/8-16
    E-1GZ
    1/2"
    1"
0.06
    3/8-16
    E-1HZ
    3/8"
    2"
0.06
    3/8-16
    E-2Z
    5/8"
    2"
0.16
    7/16-14
    E-2AZ
    5/8"
    1"
0.08
    7/16-14
    E-2BZ
    5/8"
    3"
0.30
    7/16-14
    E-2CZ
    5/8"
    1-5/8"
0.15
    7/16-14
    E-3Z
    3/4"
    2"
0.21
    1/2-13
    E-3AZ
    3/4"
    3/4"
0.16
    1/2-13
    E-4Z
    3/4"
    3-3/8"
0.35
    1/2-13
    E-5Z
    3/4"
    3-5/8"
0.37
    1/2-13
    E-7Z
    1-1/16"
    5"
1.25
    3/4-10
Caterpillar Marine Engine Anode Cross Reference
6L2280 = E-0HZ
6L3104 = E-0CZ

GM and Detroit Diesel Engine Anode Cross Reference
8925832 = E-1EZ

Northern Lights Lugger Engine Anode Cross Reference
21-10010 = E-2Z
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