Do you need a DEF Cap for your Volvo Truck? We have a great selection of Genuine Volvo Truck diesel exhaust fluid (DEF) tank caps, including locking DEF caps and non-locking DEF tank caps for your Volvo Truck. If you are uncertain which DEF cap your Volvo truck requires, please contact us with your truck serial number (VIN) to ensure we quote the correct parts for your Volvo Truck.
