0 0 2004 Allison 2200 HS Transmission for a GMC C5500 $1,165 USD (USED) Allison 2200 HS Assembly#: 6310404187 Input Lgth: AUTOMATIC Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC Ref# 6310404187 ConditionUsedAssembly Number6310404187Fits To Make(s)GMCFits To Model(s)C5500Part Number6310404187Stock Number25864506 MLS Number13819702CategoryTransmissions Last Updated11/21/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info