BHELLA 376734021 Radiator Fan Clutch ReviewbP PP HELLA 376734021 Radiator Fan Clutch POE Fit and function by BEHRPReplaces GM OE#: F501639EVPStringently tested for fit and functionPFits: 04-07 Buick, 02-07 ChevroletGMC, 03-07 Isuzu, 02-04 OldsmobileP