View 2 Photos View 0 Videos PN-15-301. Transmission Assembly GM Hyramatic Automatic Contact for price PN-15-301. TRANSMISSION ASSEMBLY GM HYRAMATIC AUTOMATIC., Core Charge: 0.00, Casting#: 24208421 ConditionUsedFits To Make(s)GM/CHEV (HD)Stock Number6683 MLS Number10273970CategoryTransmissions Last Updated2/24/2026 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info