Used 2018 GMC TERRAIN B21445 Back Search by Part Home Search GMC TERRAIN B21445 Used 2018 GMC TERRAIN B21445 No parts found. Please click the inquire button for order assistance or change filter selection. Part Description Select USEDInquire$240.00Part Type: TRANSFER CASE ASSEMBLYPart Numbers: 84453400Details: 1.5L,AUTO TRANS,AWDStock: B21445Mileage: 72107Tag: 0000060225VIN: 3GKALTEVXJL339763SKU: BB56362550Part Grade: A VIEW DETAILS Core Charge:Core Charge($5.00) Add To CartLocal Pickup Only.