Crankshaft main rod bearings for 2.4L L4 engines.OE numbers: Crankshaft 12578182, 12578164, 12623302; Bearing 21018819, 21018825, 12591093.Fits the following models: 2017 Regal Base; Verano Base, Leather, Sport Touring; Equinox L, LS, LT, Premier; Terrain Denali, SL, SLE, SLT 2016 LaCrosse Base, Leather; Regal Base; Verano Base, Convenience, Leather, Sport Touring; Equinox L, LS, LT, LTZ; Terrain Denali, SL, SLE, SLT 2015 LaCrosse Base, Leather; Regal Base; Verano Base, Convenience, Leather; Captiva Sport LS, LT, LTZ; Equinox LS, LT, LTZ; Terrain Denali, SL, SLE, SLT 2014 LaCrosse Base, Leather; Regal Base; Verano Base, Convenience, Leather; Captiva Sport LS, LT, LTZ; Equinox LS, LT, LTZ; Impala Eco; Terrain Denali, SLE, SLT 2013 LaCrosse Base, Leather; Regal Base; Verano Base, Convenience, Leather; Captiva Sport LS, LT, LTZ; Equinox LS, LT, LTZ; Terrain Denali, SLE, SLT 2012 LaCrosse Base, Convenience, Leather; Regal Base; Verano Base, Convenience, Leather; Captiva Sport LS; Equinox LS, LT, LTZ; Terrain SLE, SLT 2011 LaCrosse CX, CXL; Regal CXL; Equinox LS, LT, LTZ; HHR LT; Terrain SLE, SLT 2010 LaCrosse CX; Equinox LS, LT, LTZ; HHR LT, LT Panel; Terrain SLE, SLT; G6 Base; Vue XE, XR 2009 HHR LT, LT Panel; G6 Base; Solstice Base; Aura Hybrid, XE, XR; Vue Hybrid, XE, XR 2008 Cobalt Sport; HHR LT, LT Panel; G5 GT; G6 Base; Solstice Base; Aura Green Line, XE; Vue Green Line, XE 2007 Cobalt SS; HHR LT, LT Panel; G5 GT; G6 Base; Solstice Base; Aura Green Line; Ion 2, 3, Red Line (2.0L, 2.2L, 2.4L); Vue Green Line 2006 Cobalt SS; HHR LT; G6 Base; Solstice Base; Ion 2, 3, Red Line (2.0L, 2.2L, 2.4L)