Upgrade your truck with a premium stainless steel Kenworth hvac box designed for long-lasting durability and superior performance. Our complete HVAC box assembly is engineered to fit Kenworth W900, T800, and T600 models, providing an ideal replacement for worn or damaged factory components. Whether you need a W900 HVAC Box, W900 Heater Box, T800 HVAC Box, or T800 Heater Box, this...