The Kenworth W900, T800, T300, T400, and T600A 1986 through 2005 Heater Core is a reliable and practical solution for your heating needs. With its 8-inch length, 14.9375-inch height, 2.5-inch depth, and 2.5-inch thickness, it offers a perfect fit for your Kenworth W900 1986-2005 models and Kenworth T800, T300, T400, and T600A 1995-2005 models. This heater core, sold individually, features a 5/8-inch inlet and outlet, ensuring efficient heat transfer. With OEM and aftermarket numbers such as MC10050, 110640BSM, and 110640, you can trust its quality and compatibility. Upgrade your heating system with this reliable heater core.