4 0 2015 Used Peterbilt 389 RH Cab Extension $265 USD Used 389 RH Cab Extension, Side: Passenger, Color: Grey, Length: 75.00" ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2015SidePassengerStock Number625-10446 MLS Number10073865CategoryCab Extensions Last Updated9/26/2025 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info