Starting with serial number 20001FR the ID location and trim code methodology is changing on the above range of reman injectors.
Injector trim codes will now range from 01-99. To ensure proper engine performance, the unique 2-digit trim code must be entered into the engine ECM and assigned to the appropriate engine cylinder.
This information is now located on top of the follower/spring retainer (see example below). The serial number will consist of a 5-digit number starting with a 2 and end with a 2-letter date code. In the example below FR = June 2022. The x’s shown in the example below will be replaced by the digits corresponding to the appropriate injector part number and serial number.
Additional Note: EX634865 and EX637822 have been made obsolete.