Magalia CA. out of a 4runner
I don't mean to thread jack, but what year 4Runner? As far as I know all 1988-1995 V6 4Runners use a 3-core radiator. I have never seen a 4-core Toyota Hilux Radiator.
I am running a 1988 V6 3-core Radiator in my truck, and I installed a 1986 Turbo 4cyl 3-core Radiator in Bevin's truck. Also, Marlin is running a Toyota Diesel 3-core Radiator in his truck.