Description： Item Type: Brake Caliper OE Number-1: 18-B5400A, 13578100, 13579139, 22796445 OE Number-2: 18-B5401A, 13578098, 13579138, 22796444 Quantity Sold: A Set of Two Pieces Inlet Port Size M10 x 1.0 Piston Diameter 1.61 in Brake Piston Count 1 Piston Piston Material Steel Bleeder Port Size M10 x 1.0 Fit For For Buick LaCrosse 2012-2016 V6 3.6L Rear Left & Right For Buick Regal 2011-2017 L4 2.0L Rear Left & Right For Cadillac XTS 2013-2019 V6 3.6L Rear Left & Right For Chevrolet Impala 2014 L4 2.4L Rear Left & Right .
