LLY: Rotten Lower Rubber Mount for Intercooler

td195f

New member
Feb 20, 2011
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I have a 2004 Chevy 3500 dually with an LLY and have disassembled to the point of removing the Behr Intercooler and the radiator and have found that six winters in Upstate New York have not been kind to the truck.
The intercooler lower mount grommet (rubber with a metal insert) on the drivers side has split and the metal insert is rusted out. :(
GM Parts East and similar sites list this item as "MOUNT CHRG AIR CLR LWR" and show the part as not available. The grommet is marked PN 42923 PROPERTY OF BEHR HTS.
Does anyone have any idea where this part or a suitable replacement can be obtained?
Help, please.