.Replaces AR85541MODELS : Engine Parts > Injectors John Deere COMBINE: 6600 (Sidehill Eng. SN 500000- > , W/ Pump Number AR88726) John Deere COMBINE: 6620 John Deere COMBINE: 7700 (Eng. SN 500000- > ) John Deere TRACTOR: 4230 (Eng. SN 500000- > , W/ Pump Number AR94199) John Deere TRACTOR: 4240.. more. .