Don't know what year model your pickup is but on 1994-2005 4-cylinder DOHC Mazda engines, the switch is screwed into an oil filter adapter located at the oil filter. Haynes Repair Manual 1994-2005 Mazda Pickups.
According to the 2001 Ford Taurus Owner Guide : With engine oil filter change : The 3.0 liter DOHC , " Duratec " V6 engine uses the ( Motorcraft FL-820-S ) engine oil filter with ( 5.2 liters / 5.5 U.S. quarts of 5W-20 )
A 1995 KIA Sportage 2.0L 16v DOHC will bolt right into the B2000 and the B2200. You will have to get a system called megasquirt from www.diyautotune.com Your Horse Power will be almost double that of the B2200 2.2L SOHC