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fan clutch
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  1. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    Looks like I am due for a new fan clutch. I have come up with two GM parts numbers. The first being 15102145 (AC Delco 15-4986) and 15130067 (AC Delco 15-4964). Can anyone tell me what the differences are between these two fan clutches? Thanks.
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