OEM Replacement & Fitment Copper/Brass design just like original Replaces OEM Part Numbers H19491, G1087, G10877198 Core Height: 19-1/8" Core Width: 19-1/4" - Fin Area Only; Thickness: 1-1/4"; Inlet: 1.5 Outlet: 1.5; Two-Year, Unlimited mile, Nationwide Warranty - OE Style Only fits your welder if your OEM PART NUMBER is listed below. For perfect fit, please refer to the cross reference part numbers and/or unit dimensions and size/location of connections. Must match your Freightliner OEM part number with the OEM Part numbers provided below for correct fitment. Manufactured with the highest quality materials to ensure long-life, perfect fit, easy installation and offering the best in overall performance. 100% Leak Tested and always in stock for less downtime! Note: Make, model and year applications are for reference only.