View 0 Photos View 0 Videos Used 2017 Peterbilt 337 Multi-Function Turn Signal Switch $125 USD Multi-Function Switch, Good Condition. Call DTI Trucks for more information and a shipping quote. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)337Stock Number74582 MLS Number13668504CategoryTurn Signal Switches Last Updated5/12/2026 LocationWheat Ridge, CO, US Sold ByDTI Truck Parts (833) 614-___ SHOWNUMBERCall Seller Email Seller Save More Info