blower motor switch.......

'76 Plymouth Duster, A/C car. Blower motor switch all parts stores list have 4 prongs, and don't line up "handle and mount holes" for the assembly in the car.
This is what mine looks like.... and is this my only option?
Mopar A & B Body 1973-1976 NORS 3502685 A/C Heater Blower Switch Plymouth Dodge | eBay
Not trying to be a tight wad, but all the other types are 18 bucks over the counter.