A liitle surprised existing Mulfab rad has rotted away, albeit after 13 years. Can't help but wonder what coolant you were using
Me too. My Mulfab radiator has been in place since early 2008 and is absolutely fine with no sign of corrosion. I use the traditional blue ethylene glycol antifreeze.
Tim H. 1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE