View 0 Photos View 0 Videos 2012 Allison 4500RDS Transmission Control Module (TCM) for a International Workstar Newly Listed $544 USD (USED) Allison 4500 RDS Plug #: 1 GEN V ALLISON TCM ConditionUsedFits To Make(s)InternationalFits To Model(s)WorkstarStock Number25948549 MLS Number14148595CategoryTransmission Control Modules (TCM) Last Updated2/18/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info