Check the listing for details. m939 5 ton heater core new production with bleeder m923a2 m923 m931 m931a2 m925. Condition: New. Listed at 224.00 USD. Up for auction is a new production heater core kit specifically designed for m939 5 tons as the bent inlet And outlet is an exact fit to the oem unit for a clean install. This is a new production part and is not a pickup truck heater core “might fit” kit with no bleeder port like some of the others listed. This comes with the Parker Hannifin petcock installed to ensure all air bubbles are easily purged when installed on your truck. Manufactured by an ISO 9001:2015 certified factory- Buy with confidence. This also fits m35a2 m35a3 and m809 series 5 tons such as m813 m820 m816 m818, etc but the straight style inlet and outlet in our other auction is a better fit for the older m35a2 and m809 5 tons. If you need help with other 6x6 parts please let us know 5076762972 Jim on the web at Army 6x6 LLC. Shipping price listed is for continental US only. If for export please email us for shipping quote.