Description Ford/Sterling Heater Core Replaces OEM: F7HH18476AA or F7HZ18476A Application: Ford 98-01 Aeromax Vehicles (Swivel Fittings) Height: 7 11/16” Length: 7 1/8” Thickness: 2-1/8” Inlet: 3/4” Outlet: 3/4” Material: Aluminum Reference Numbers F7HH18476AA; F7HZ18476A, 108371, 108388, 6947, 315940, 10-0437