Buy 2008 Gmc Sierra 2500 HD WT Crew Cab Pickup Exhaust Gas Recirculation (EGR) Cooler. 6.6 LITER DIESEL Engine, LITER, Make - OEM Gmc Part # 98034351 (98006483)

Cooler pipe. Exhaust Gas Recirculation (EGR) Cooler.
A heat exchanger that Cools Exhaust Gases as they are recirculated back into the engine.

EGR Cooler

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL. Silverado, Sierra; 6.6L.
EGR Valve Cooler - Repair or Replace
A failed EGR valve cooler in your 2008 GMC Sierra 2500 HD will often have no noticeable symptoms beyond a check engine light, but it does cause your vehicle to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and GMC genuine parts.