This is a A-SE500105 Injector PN: SE500105Main Description As Following : A-SE500105 Injector P.N: SE500105 Replaces: AR79686 Replaces: AR79686 JOHN DEERE , Crossed From: WN-SE500105 , , WNSE500105 , Found in Section & Models : Engine Parts > Injectors, John Deere COMBINE: 6600 (Sidehill W/ Eng. SN 500000-> & Pump # AR73525), John Deere COMBINE: 7700, John Deere TRACTOR: 4040, John Deere TRACTOR: 4230 (Eng. SN 500000-> W/ Pump # AR73524) Associated Items : New Also A-JD-O-OMR65460, A-SMJD202, A-FRM-JD, A-JD-O-OMR65347, A-JD-S-TM1056, A-SMJD50 And : Replaces: AR79686