Brand ?PHILTOP Position Front Product Dimensions ?12.6 x 8.27 x 8.27 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 ?2351WBK2516US Wheel Stud Quantity 6 Quantity in Package 1 Item Weight ?26.2 pounds Tips: Before purchasing, it is very necessary to determine whether the product is suitable for your vehicle through "Amazonconfirmedfit". Fitment: PHILTOP wheel bearing and hub Assembly for Escalade 2015-2019, Escalade ESV 2015-2019, Sierra 1500 2014-2018, Sierra 1500 Limited 2019-2019, Silverado 1500 2014-2018, Silverado 1500 LD 2019-2019, Suburban 2015-2020, Tahoe 2015-2020, XTS 2017-2019, Yukon 2015-2020, Yukon XL 2015-2020. OE NUMBER: 515160, 20971870, 23356814, HA590491. Durable Quality: Passed impact, wear, and fatigue Tests, the Wheel Hub Bearing Assembly will ensure quality and durability. Improve Performance: Application-specific advanced raceway design reduces stress, rotation and heat on components.The parts have already improved those traditional design weaknesses, thus ensuring vehicle fitment and the product reliability. PHILTOP Wheel Hub Bearing Assembly