What is the coolant capacity in a 2003 Toyota Tundra?

The coolant capacity for a 2003 Toyota Tundra is approximately 12.2 quarts (or about 11.5 liters) when including the engine and the cooling system. It's essential to check the owner's manual for the specific engine configuration, as slightly different capacities may apply based on the engine type. Always ensure to use the recommended coolant type for optimal performance.