Interesting that some of you already have a composite fan.
The NAPA fan I purchased is supposedly an aftermarket upgrade replacement for the S-10 4.3L. It might be the same case for the GMT400. I didn't research that so I really don't know.
My truck has the trailer package w/HD cooling (34" radiator) and trans cooler. It still had the 5 blade steel fan despite the HD cooling.
I'll have to look to see if there is a fan upgrade specifically for the GMT400.
Edit: Evidently some GMT400's came with this fan: ACDelco #15-80739
Looks like this:
They are more prevalent on GMT800's.
The NAPA fan I purchased is supposedly an aftermarket upgrade replacement for the S-10 4.3L. It might be the same case for the GMT400. I didn't research that so I really don't know.
My truck has the trailer package w/HD cooling (34" radiator) and trans cooler. It still had the 5 blade steel fan despite the HD cooling.
I'll have to look to see if there is a fan upgrade specifically for the GMT400.
Edit: Evidently some GMT400's came with this fan: ACDelco #15-80739
Looks like this:
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They are more prevalent on GMT800's.
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