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Originally Posted by Montierth
Do you have a # or place where you got your fan?
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It's the original fan that came on the truck from the factory. I just swapped it over to the 2747 when my OEM clutch failed a few years ago.
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I just didn't want the loud fan running all the time but if it is what is needed then I'm all in.
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An OEM-style fan really isn't loud. The blades are unevenly spaced, which helps reduce the noise to acceptable levels. You get more of a roar when the blades are evenly spaced.
While I don't have a source or a p/n, a lot of places sell 7-blade 18" fans. Or you might find one in a boneyard -- check trucks, vans, or older full-size GM cars.