Problem is, many of thel fan clutches are made by Hayden or Four Seasons in the US under different brand names.
They supply the automotive aftermarket retailers and a lot of the OEM manufactures with fan clutches.
Hayden is part of the Four Seasons Division / Standard Motor Products, Inc.
When I installed my 11 blade GM fan a couple of years ago, I purchased the fan clutch PN 271625 from NAPA
I bought NAPA since I can get wholesale garage pricing from them. Not sure who makes NAPA fan clutches???
So far it is still functioning properly. Maybe I got lucky?
Hayden states their fan clutches have a one year/12k warranty, so I hope you are not having to pay for replacements?
Since your Haydens keep failing, maybe you might want to try a different brand like NAPA?
GM OEM PN for fan clutch -- 20913877
Alternate/OEM GM Part Number(s): 15073014, 154558, 154848, 15710101, 20913877, 22149877
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