A-Premium A-Premium Hydro-Boost Hydraulic Power Brake Booster Compatible with Chevrolet Silverado 2500 HD/3500 HD 2015-2019, Suburban 3500 HD 2016-2019 & GMC Sierra 2500 HD/Sierra 3500 HD 2015-2019

description [Vehicle Fitment]: Compatible with Chevrolet Silverado 2500 HD 2015-2019, Silverado 3500 HD 2015-2019 , Suburban 2016-2019 (HD Submodel), Suburban 3500 HD 2016-2019; Compatible with GMC Sierra 2500 HD 2015-2019, Sierra 3500 HD 2015-2019 [Reference Number]: The A-Premium Power Brake Booster's reference number: 52-7421, 527421, SK527421, 22872386, 84031701, 84472897 [Specification]: ① Master Cylinder Included: No; ② Master Cylinder Stud Thread Size: M12 x 1.75/M10 x 1.5; ③ Material: Cast Iron [Superior Quality]: Power Brake Booster are coated with anti-rust coating, which can effectively prolong the lifespan. Premium craftsmanship and materials ensure superior quality and durability, and excellent performance enhances the whole braking system. [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted power brake booster. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind. See more product details