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This Mishimoto direct-fit transmission cooler for 2001–2003 Chevrolet and GMC 6.6L Duramax (LB7) uses a stacked-plate design to provide heavy-duty cooling capacity. Compared with the stock cooler it offers approximately 174% more core volume and 192% greater fin surface area. Included CNC adapters and direct-fit hardware simplify installation for towing or high-load use.
Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler
