Know of a good source for Cummins parts?
However after Cummins quoted me 18.60 for an E2 zinc engine anode, I became curious and found the same anode for 5.89 (boatzincs), 5.95 (Fisheries Supply) and 7.99 (Defender Industries). It seems that pricing 218% higher than a competing source is just taking advantage of people too foolish to look elsewhere.
The zinc is there to protect your engine, the factory piece comes from a mfg with a KNOWN zinc purity and content . It will work.
The Chinese or Indian, "Zinc" or any unknown unrated zincs are a gamble in terms of metalurgy and efficiency, May work , may not.
Same with underwater zincs , there IS a "standard" and US mfg will have the mil spec or similar acceptance cast on.
A cheapo is a tossup , save a few bucks , and loose the underwater gear? , could be silly $avings
Purchasing a zinc from any rated US mfg (Camp) that fits your engine or heat exchangers is not as dangerous as an unknown cheap part.