Factory Replacement 6.9/7.3 IDI Injectors

Inventory count denotes complete sets (of all 8 injectors) available for exchange and same day shipping.  Orders with cores sent upfront are typically shipping 0-4 weeks from reception of cores. The only IDI injectors with a 5 year unlimited mileage warranty, the Classic Diesel Design's stock replacement injectors are the go-to for anyone looking for an affordable, high quality rebuilt replacement injector set pressure matched to within 50 psi. Featuring reman, stock OEM nozzles and pop pressures, this is recommended to be matched with any new injection pump with less than 100cc of output. For IDIs running more than 100cc we recommend the stage one injectors for improved egts, mileage and performance, however all CDD injection pumps are tested, flowed and spec’d with stock nozzles, meaning stock injectors can be used with any of our pumps and will output as advertised, stage one injectors simply allow for more fuel to enter the pre-chamber quicker, which improves combustion and fuel d