This is a A-RE62126 Kit, A/C Retrofit (R134A) PN: RE62126Main Description As Following : A-RE62126 Kit, A/C Retrofit (R134A) P.N: RE62126 R134A Crossed From: WN-RE62126 , , WNRE62126 , Found in Section & Models : Air Conditioning Parts > Conversion Kit, John Deere TRACTOR: 4040, John Deere TRACTOR: 4230, John Deere TRACTOR: 4240, John Deere TRACTOR: 4430 (SN 010933>), John Deere TRACTOR: 4440, John Deere TRACTOR: 4630 Associated Items : New Also This is An Aftermarket Product And : R134A