Hi:
I can't help you with the pricing info, but about a year ago someone posted on the board about all aluminum radiators available through http://www.fluidyne.com/ . They said it was superior to the stock unit, and eliminated any trace of hot running, if I recall. Hope this helps.

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John

2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)

Click to see 87 300E