Transmission Cooler? Page 3 Toyota Tundra Forum Automatic Transmission Oil Cooler Compatible with 1984 2021 Toyota Tundra Transmission Oil Cooler Kit; 0.75 x 7.50 x 12.75 Inch; Medium Automatic Transmission Oil Cooler Compatible with 1984 2021 Toyota. This BladeRunner Oil Cooler uses a durable brazed 25 row all aluminum stacked plate construction that allows for greater efficiency and lower pressure drop than a standard tube fin design. Designed to work in line with your vehicles original equipment. Provides lower transmission oil temperatures to reduce transmission wear and extend life of oil viscosity. The BladeRunner Oil Cooler kit makes installation simple with direct fit mounting brackets, stainless steel hardware, and leak proof AN connections. No cutting or alteration of factory hardware is required. Features a durable black finish with a laser etched aFe POWER logo on the front and includes black anodized billet aluminum AN fittings for a sleek appearance. Features: Ensure smooth performance and extend transmission life with our direct fit transmission oil coolers, designed for easy installation and optimal cooling efficiency Stacked plate 25 row cooler design for optimal heat transfer efficiency Provides Transmission Temperature Reductions of up to 30 F Utilizes black anodized AN fittings for a leak proof connection Direct fit mounting brackets allow for a secure, custom installation with no modification to factory hardware Durable 3 8 oil hose included for long lasting reliability Black finish with laser engraved aFe POWER logo