6.6L Oil Cooler

2001 – 2004  Chev/GMC Duramax 6.6L Oil Cooler

Looking for a solution for your clogged oil cooler? Upgrade your 6.6L Duramax Oil Cooler today with DFC Diesel! Designed for 2001 – 2004 models, the 6.6L Duramax oil cooler can be used in the LB7, LLY, LBZ, and LLM.

The factory Duramax oil coolers are known for clogging from debris or carbon deposits in the engine and leaking from seals and connections, resulting in reduced coolant flow and contaminated engine oil. 

We highly recommend replacing your 6.6L Duramax oil cooler if your engine has a bearing or complete engine failure.

Our Duramax oil coolers are designed for increased durability in towing and hauling applications. The part design and manufacturing exceed OEM standards. Each part is produced with quality steel and aluminum for optimal performance in harsh operating conditions. Request a quote today to upgrade your Duramax 6.6L oil cooler!