GM AAM 11.5
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74070001 Chevy 2500/3500 Wheel End Kit SRW GM 10.5" 14 Bolt / AAM 11.5" '01-'10
MSRP: S/927.10S/844.53 -
74070004 Chevy 2500/3500 Rear Wheel End Bearing Kit DRW GM AAM 11.5" 2011+
MSRP: S/1,138.58S/1,046.59