Mishimoto Transmission Cooler for 2001-2003 Chevy GMC 6.6L Duramax Stacked-Plate

Mishimoto Transmission Cooler for 2001–2003 Chevy/GMC 6.6L Duramax — Stacked-Plate Keep your transmission running cooler and longer. Designed for 2001–2003 Chevy and GMC 6.6L Duramax trucks, the Mishimoto stacked-plate transmission cooler delivers industry-leading durability and cooling capacity for towing, fleet duty, or spirited driving. Stacked-plate core: Maximizes strength and heat transfer for reliable performance under heavy load. Significantly larger than stock: 174% greater core volume and 192% more fin surface area than the factory cooler for faster heat rejection. Direct-fit installation: CNC-machined adapters, direct-fit brackets, and tailored hoses connect to stock lines for a leak-free, straightforward install. Durable construction: Engineered for long life in demanding applications — towing, commercial use, or performance driving. Lifetime Warranty + Accident Protection: Backed by Mishimoto’s warranty for worry-free ownership. Upgrade your Duramax’s cooling system with a transmission cooler built to handle higher temps and heavier workloads. The Mishimoto stacked-plate cooler reduces transmission wear, improves fluid life, and helps maintain consistent shift quality under stress.