HVAC Heater Core. Toyota Sienna 2004-2010 Heater Core. Core Height (in): 6 IN. Core Width (in): 9 IN. Core Depth (in): 1 IN. Core Material: Aluminum. Agility provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
