3 0 2018 Allison 4000 HS Transmission Control Module (TCM) for a Allison 4000HS $670.24 USD ALLISON 29558098 TRANSMISSION CONTROL MODULE. FROM A 2018 CASCADIA 125 THAT HAD AN ALLISON 4000HS TRANSMISSION. ConditionUsedFits To Make(s)ALLISONFits To Model(s)4000HSStock Number2484162 MLS Number13355975CategoryTransmission Control Modules (TCM) Last Updated10/25/2025 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info