To play it safe check it out (05 to 07) motors, wrist pin problems The ISL engine serial #s in the effected recall are 46543077 thru 46603939. So that's a total of 60,862 engines, note world wide, in the recall. http://www.irv2.com/forums/f123/06-cummins-wrist-pin-problems-233849.html JR