Ref: 4 Kit - L35003 kit is for Allison TT2000 series transmission. It was found that the TT3000 series kit L36227 could be used on TT2000 equipped units & several units were converted.
Kit components are different: Ex: The N6397 Cam/A used in L35003 Kit is 1 3/4" high. The N7931 Cam/A used in L36227 kit is 2" high. The N7931 also has an identification groove around the O.D. (The N6397 hasn't got a groove.) See Bills of Material for all differences. 24-June-96