GM 19121496 LBZ LMM Cold Side Pipe O-ring 2006-2010

Replace worn or damaged intercooler outlet O-rings with these GM replacements. O-rings often hardened a break down over time. Its common for these to leaks on higher mileage trucks. 2 Required per truck (Upper & Lower)

Fits:

LBZ LMM 2006-2010 Duramax 6.6L