{"product_id":"cardone-52-7421-power-brake-booster","title":"Cardone 52-7421 Power Brake Booster","description":"\u003ch2\u003eOverview of Cardone Hydro-Boost Power Brake Booster 52-7421\u003c\/h2\u003e\u003cp\u003eThe Cardone Hydro-Boost Power Brake Booster 52-7421 is a remanufactured hydraulic brake booster designed for select Chevrolet and GMC trucks. Engineered with cast iron construction and a black finish, this booster provides reliable braking assistance for heavy-duty applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured power brake booster with durable cast iron material\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 1500, 2500 HD, 3500 HD, Sierra 2500 HD, 3500 HD, and Suburban 3500 HD\u003c\/li\u003e\n\u003cli\u003eIncludes hydraulic booster, o-ring kit, and instruction sheet\u003c\/li\u003e\n\u003cli\u003eMaster cylinder stud thread size: M12 x 1.75 \/ M10 x 1.5\u003c\/li\u003e\n\u003cli\u003eDoes not include master cylinder\u003c\/li\u003e\n\u003cli\u003eBlack finish for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Cardone Hydro-Boost Power Brake Booster (part number 52-7421) is specifically designed to restore hydraulic brake assist functionality in compatible Chevrolet and GMC heavy-duty trucks. The booster is constructed from cast iron, ensuring strength and durability under demanding braking conditions. It comes remanufactured to meet OEM specifications and includes an o-ring kit and instruction sheet for proper installation. The booster does not include a master cylinder but fits master cylinders with stud thread sizes M12 x 1.75 or M10 x 1.5. Its black finish helps resist corrosion and wear over time.\u003c\/p\u003e\u003cp\u003eThe Hydro-Boost Power Brake Booster product line from Cardone focuses on hydraulic brake boosters that provide consistent braking performance for trucks requiring hydraulic assist systems. This part supports the braking systems of Chevrolet Silverado and GMC Sierra models, as well as the Suburban 3500 HD, ensuring compatibility with factory hydraulic brake configurations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores hydraulic brake assist in Chevrolet Silverado 1500, 2500 HD, 3500 HD, Sierra 2500 HD, 3500 HD, and Suburban 3500 HD\u003c\/li\u003e\n\u003cli\u003eReplaces faulty or leaking power brake boosters\u003c\/li\u003e\n\u003cli\u003eSolves issues with increased brake pedal effort or poor brake response\u003c\/li\u003e\n\u003cli\u003eAddresses hydraulic booster failure symptoms such as spongy brakes or brake drag\u003c\/li\u003e\n\u003cli\u003eImproves braking reliability in heavy-duty truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your vehicle’s master cylinder stud thread size (M12 x 1.75 or M10 x 1.5)\u003c\/li\u003e\n\u003cli\u003eFollow the included instruction sheet carefully for hydraulic line connections and mounting\u003c\/li\u003e\n\u003cli\u003eInspect and replace any worn or damaged o-rings using the provided kit during installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air from hydraulic lines\u003c\/li\u003e\n\u003cli\u003eVerify proper booster operation before road testing the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Cardone Hydro-Boost Power Brake Booster 52-7421 is remanufactured to meet or exceed OEM standards for performance and durability. Each unit undergoes rigorous testing to ensure reliable hydraulic assist function. While specific warranty details are not provided here, Cardone products typically include a limited warranty covering defects in materials and workmanship. Consult product documentation or Cardone directly for exact warranty terms.\u003c\/p\u003e","brand":"Cardone","offers":[{"title":"Default Title","offer_id":43387778367669,"sku":"CPCX-52-7421","price":205.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/A1_527421_Ang.jpg?v=1774707492","url":"https:\/\/www.partcatalog.com\/products\/cardone-52-7421-power-brake-booster","provider":"PartCatalog","version":"1.0","type":"link"}