View 3 Photos View 0 Videos 2014 Allison 4500RDS Dash Mounted Button Transmission Shifter Assembly for Peterbilt 320, Part # 29551495 $274.99 USD (Used) 2014 Peterbilt 320, TRANSMISSION SHIFTER ASSEMBLY- Type: Dash Mounted, Button, Make: Allison, Trans Model: 4500RDS, Part Number: 29551495. Serial Number: 0019410. For more information... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)320Will Fit Year(s)2014Part Number29551495Stock NumberP-23711 MLS Number10739105CategoryTransmission Parts Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info