guys not trying to be a smart ass but i do know what works. especialy on a limited buget i have owned more 4x4's then just about anyone.want me to list them ?[not bragging]have been working on cars/trucks for at least 30 years. if i can't get it i can make it. if you want to buy a high $ aftermarket fan or even high dollar ome unit go for it! just trying to pass on some of what i have learned. and trying to save some of you guys some money.