Description
2011-2016 OEM GM 6.6L Duramax Oil Cooler Assembly
GM # 12732979
This Genuine GM Engine Oil Cooler is an original equipment replacement for 2011–2016 6.6L Duramax engines (LML and LGH). It features GM’s upgraded heavy duty stacked plate cooler core to handle higher thermal loads than the earlier 6.6L designs to maintain proper oil viscosity and engine oil temperatures during heavy towing and high stress operation. This OE factory housing assembly ensures exact fitment for a hassle free, drop in, direct replacement.