New 600 Watt Engine Block Frost Plug Heater has a 1.5625" diameter plug and butterfly lock. This
plug heater fits multiple Massey Ferguson Tractor models.
Fits the following makes and models:
Massey Ferguson TRACTOR: 3670
Massey Ferguson TRACTOR: 3690
Massey Ferguson TRACTOR: 8140
Massey Ferguson TRACTOR: 8160