Description Heater Core Replaces Peterbilt and Kenworth for 587, 387, T2000, T7, and T700. Aftermarket Number: 108293 Application: Peterbilt and Kenworth Trucks 587, 387, T2000, T7, and T700 Description: Heater Core Height: 10″ Length: 7 7/16″ Inlet: 5/8″ Outlet: 5/8″ Product Name: Heater Core Thickness: 3 1/8″