2020-2023 GM 6.6L Duramax Bar and Plate Transmission Fluid Cooler - 124066000 2004-gmc-sierra-2500-esi5950911 Flat bottom - solves the

Flat bottom - solves the oil drainage problem associated with GM pan

The AC Delco PF48 or Mopar MO-339 filter comes up short with only 110 square inches of 30-micron filtration capability

Thanks to its thick cast construction with external fins and the additional side ribbing

Filtration rating down to 5-micron

2020-2023 GM 6.6L Duramax Bar and Plate Transmission Fluid Cooler - 124066000 2004-gmc-sierra-2500-esi5950911 Flat bottom - solves theBoost your transmission performance with this PPE Bar and Plate Transmission Fluid Cooler. A bigger effective cooling area and thicker core enable the PPE cooler to draw 200% more heat from your transmission fluid compared to the factory cooler. We observed up to 40F temperature drop with a PPE cooler installed. PPE Bar and Plate Transmission Coolers are made of high quality aluminum, with specially engineered fin construction to maximize cooling