Ford Tractor & Industrial Engine Fuel Injector 172 / 192 Qty. This listing will include (4) rebuilt fuel injectors w/ adapters for the 4 cylinder diesel Ford tractor and industrial engines, 172 & 192cid. Also included will be the following: (4) seals injector adapter to head. (4) sealing washers (leak-off tube to top of injector), (1) rubber seal (leak off tube stem) (1) complete set of new aftermarket fuel injector lines for cylinders 1-2-3-4. All parts are new, with the exception of the injectors, and everything is shown within the picture gallery. The injectors were rebuilt locally by a fuel injection shop.