Brand ?PHILTOP Material ?Steel Position Front Product Dimensions ?8.27 x 8.27 x 6.3 inches Drive Type 4WD Bolt Circle Diameter 139.600 mm Brake Pilot Diameter 78.300 mm Flange Diameter 179.000 mm Hub Pilot Diameter 99.100 mm Wheel Pilot Diameter 77.700 mm Flange Offset 49.700 mm Flange Bolt Hole Quantity 3 Manufacturer Part Number ?2245WBK164MUS Wheel Stud Quantity 6 Quantity in Package 1 Item Weight ?13.09 pounds Fitment: Philtop wheel hub bearing assembly for Yukon XL 2015-2020, Yukon 2015-2020, XTS 2017-2019, Tahoe 2015-2020, Suburban 2015-2020, Silverado 1500 2014-2018, Sierra 1500 Limited 2019-2019, Sierra 1500 2014-2018, Escalade ESV 2015-2019, Escalade 2015-2019, Silverado 1500 LD 2019-2019. Wheel Hubs Parameter: Anti Lock Brake Sensor Included: Yes; Bolt Circle Diameter: 139.600 mm; Brake Pilot Diameter: 78.300 mm; Flange Bolt Hole Quantity: 3; Flange Diameter: 179.000 mm; Flange Offset: 49.700 mm; Hub Pilot Diameter: 99.100 mm; Spline Quantity: 33; Wheel Pilot Diameter: 77.700 mm; Wheel Stud Quantity: 6. OE NUMBER: 515160, 20971870, 23356814, HA590491. Long Service Life: Made of high-quality bearing steel, the parts have the greatest anti-corrosion capacity with fine workmanship and strong bearing capacity. Tips: For more details, please confirm the adaptation of your vehicle with "Amazonconfirmedfit". This is very necessary for a better experience. Fitment: Yukon XL 2015-2020Yukon 2015-2020XTS 2017-2019Tahoe 2015-2020Suburban 2015-2020Silverado 1500 2014-2018Sierra 1500 Limited 2019Sierra 1500 2014-2018Escalade ESV 2015-2019Escalade 2015-2019, Silverado 1500 LD 2019-2019 Tips: Before purchasing, please carefully check that it fits your vehicle to avoid unnecessary returns. OE NUMBER: 515160, 20971870, 23356814, HA590491 Parameter: Anti Lock Brake Sensor: Yes Bolt Circle Diameter: 139.600 mm Brake Pilot Diameter: 78.300 mm Flange Bolt Hole Quantity: 3 Flange Diameter: 179.000 mm Flange Offset: 49.700 mm Hub Pilot Diameter: 99.100 mm Wheel Pilot Diameter: 77.700 mm Wheel Stud Quantity: 6