This is a A-5B633 Heater, Engine Block Frost Plug (1 5/8") PN: 5B633Main Description As Following : A-5B633 Heater, Engine Block Frost Plug (1 5/8") P.N: 5B633 New 1000 Watt Engine Block Frost Plug Heater has a 1.625" diameter plug. This plug heater fits multiple John Deere models.1000 WattReplaces: RE227949 Replaces: A-RE227949 JOHN DEERE , Crossed From: DZ102076 JOHN DEERE , HZ3500029 , , RE505887 JOHN DEERE , 1409-7006 , Found in Section & Models : Cooling Systems > Engine Related Parts, John Deere BACKHOE: 710G, John Deere DOZER: 750J, John Deere DOZER: 850J, John Deere DOZER: 850L, John Deere DOZER: 850L PL, John Deere DOZER: 950K, John Deere ENGINE: 3164, John Deere ENGINE: 4039, John Deere ENGINE: 4045, John Deere ENGINE: 4219, John Deere ENGINE: 4239, John Deere ENGINE: 4276, John Deere ENGINE: 6059, John Deere ENGINE: 6068, John Deere ENGINE: 6076, John Deere ENGINE: 6081, John Deere ENGINE: 6101, John Deere ENGINE: 6329, John Deere ENGINE: 6359, John Deere ENGINE: 6414 Associated Items : A-5B2163 Also A-MI-S-SER And : New 1000 Watt Engine Block Frost Plug Heater has a 1.625" diameter plug. This plug heater fits
multiple John Deere models. Replaces: RE227949