ACDelco 15768212 OE Heater Pipe.
For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY
A common leak point on 01-05 trucks. Coolant leaking from the passenger side of the engine could be coming from this heater pipe. It's common for this to leak from the mounting tab on the alternator bracket. It will leak from the weld and down onto the intercooler pipe. It may leak to the ground, but typically the leak is small enough it just drips on the pipe and evaporates from the heat in the intercooler pipe. A common sign of this leaking is an orange stain on the intercooler pipe. This is residual from the coolant evaporating off and leaving a residue.
For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY
A common leak point on 01-05 trucks. Coolant leaking from the passenger side of the engine could be coming from this heater pipe. It's common for this to leak from the mounting tab on the alternator bracket. It will leak from the weld and down onto the intercooler pipe. It may leak to the ground, but typically the leak is small enough it just drips on the pipe and evaporates from the heat in the intercooler pipe. A common sign of this leaking is an orange stain on the intercooler pipe. This is residual from the coolant evaporating off and leaving a residue.
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Application: 2001-2005 Duramax