Onan heat exchanger question

Bow Tie

Member
Jan 5, 2014
87
Key West & Naples, Fl.
Boat Info
2004 500 Sundancer
Engines
QSM11's 660hp
Hi all,
I have a 2004 Onan generator heat exchanger (original) that was beyond repair. I went online to buy the OEM replacement and almost fell off my chair with the price and the fact it will probably be made in China sent me in another direction. I found a site for Mr. Cool and offered a copper nickel replacement for $287 plus two day shipping, not bad I thought so I ordered it. I got it today and it's a real nice product, (probably Chinese) and cheap enough. My question is this, the OEM was all copper. The replacement is copper/nickel. I inquired with the guy helping me on the phone, which is better? He just said nobody ever ordered "all copper", I bought it anyway because of price and figured that if it didn't last I could change it 3 times and be even on the price of an OEM?
So, which is better? Anybody have experience with this?

Bow Tie
 
All of my heat exchangers, oil coolers and trans coolers are now all Mr cool products. Heat exchangers are a year old an no signs of any wear and tear and the oil coolersand transmission coolers are 3 years old and again no signs of and wear.
 

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