This crankshaft main rod bearings set is compatible with select , and vehicles equipped with 2.4L L4 engines from model years 2006 through 2017.Includes bearings corresponding to part numbers 12578182 and 21018819.Compatible vehicles include but are not limited to: - Equinox (2006–2017) - Regal (2006–2017) - LaCrosse (2010–2017) - Verano (2012–2017) - Terrain (2010–2017) - Captiva Sport (2011–2015) - HHR (2006–2011) - G6 (2006–2010) - Vue (2006–2010) - Aura (2007–2010) - Solstice (2006–2009) - Cobalt (2006–2010) - Ion (2006–2007) Designed for engine rebuilds and maintenance, these bearings support proper oil clearance and reduce friction under normal operating conditions.