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Mishimoto's direct-fit transmission cooler for 2017–2019 Chevrolet/GMC 6.6L L5P Duramax uses a stacked-plate core to significantly improve cooling and durability. It offers 67% greater core volume and 164% more fin surface area than the OEM cooler, with CNC-machined adapters to connect to stock lines and direct-fit brackets and hoses for simplified installation. The cooler is covered by Mishimoto's Lifetime Warranty with Accident Protection.
Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver
