[Perfect Fitment]: Compatible with Silverado 2500 HD 2011-2024, Sierra 2500 HD 2011-2024, Silverado 3500 HD 2011-2024, Sierra 3500 HD 2011-2024, Suburban 2017-2019, Silverado 2500 2014 2016-2018, Suburban 2019, Silverado 3500 2015-2018, Suburban 2017-2018 5.3L, Silverado 3500 HD 2020-2023, Suburban 2017 6.0L, Suburban 3500 HD 2016 2018-2019, Suburban 3500 HD 2017, Front Left and Right, Driver and Passenger Side [Reference Number]: The PHILTOP Vented Disc Brake Rotors' reference number:55191. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system. [Specification]: Mounting Bolt Hole Quantity: 8+2+1; Outside Diameter(IN): 14; Discard Thickness(IN): 1.52; G3000 metallurgy and metallic coating of brake discs can effectively prevent rust and corrosion, extending the lifespan. [Directly Fit]: OE Replacement Disc Brake Rotors. Please enter your vehicle information in the top left corner of listing and check our "Special Note" before ordering. [Customer Support]: 1 Year Unlimited Mileage Hassle-Free Returns; This disc brake rotor is sturdy, durable and brand new, which is an ideal replacement. Please feel free to contact us if there is any quality problem with the product, such as damage or not suitable for your car.