One for the drivers side, and one for the pass side.
Thats how the 67 seats are in my car. Only has these pieces on the outer sides of the seat.
If that is incorrect, then this is for one seat; both sides.
However you choose to use them! LOL
George
Adjustable Thermocouple with rheostat to operate your electric fan(s). Ability to adjust what temp your fans come on. Can supply power to 2 fans. Slip the end into the coolant stream under your upper radiator hose. Missing the knob. $30 plus postage.
PM me.
George