{"product_id":"bosch-53011521-disc-brake-rotor-rear","title":"Bosch 53011521 Disc Brake Rotor - Rear","description":"\u003ch2\u003eBosch QuietCast Rear Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Bosch QuietCast Disc Brake Rotor, part number 53011521, is a rear conventional rotor built for smooth, consistent braking performance. It uses an iron alloy construction with a smooth brake surface, Geomet disc finish, and coated hat finish for added corrosion resistance.\u003c\/p\u003e\u003cp\u003eCompatible with rear brake service on select Hyundai and Kia models, this rotor is a direct-fit replacement for applications such as the Hyundai Elantra, Kia Forte, and Kia Niro. Bosch QuietCast rotor engineering focuses on stable braking feel and a clean surface finish for everyday driving.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIron alloy construction for durable brake service\u003c\/li\u003e\n\u003cli\u003eSmooth brake surface with directional brake surface design\u003c\/li\u003e\n\u003cli\u003eGeomet disc finish and coated hat finish\u003c\/li\u003e\n\u003cli\u003eRust resistant coating for added protection\u003c\/li\u003e\n\u003cli\u003eConventional solid rotor design without hub assembly\u003c\/li\u003e\n\u003cli\u003e5-bolt mounting pattern with 114.3 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter bore diameter: 76 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 262 mm\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 10 mm; discard thickness: 8.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eBosch QuietCast Disc Brake Rotor 53011521 is a rear disc brake rotor designed for vehicles that use a conventional, solid rotor without a hub assembly. The smooth surface and corrosion-resistant finishes support consistent contact at the brake pad interface, while the iron alloy rotor body provides the structural strength expected in routine brake replacement. This part cross-references Hyundai\/Kia OE application 58411G2300 for the same application.\u003c\/p\u003e\u003cp\u003eFits 2017-2025 Hyundai Elantra, rear. Fits 2017-2022 Hyundai Ioniq, rear. Fits 2019-2021 Hyundai Veloster, rear. Fits 2020-2024 Kia Forte, rear. Fits 2020-2021 Kia Forte5, rear. Fits 2017-2024 Kia Niro, rear. Fits 2023-2024 Kia Soul, rear.\u003c\/p\u003e\u003ch2\u003eCommon Reasons to Replace\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear brake pulsation or uneven braking feel\u003c\/li\u003e\n\u003cli\u003eVisible rotor wear approaching discard thickness\u003c\/li\u003e\n\u003cli\u003eSurface scoring, rust, or corrosion on the braking face\u003c\/li\u003e\n\u003cli\u003eBrake noise caused by worn or uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eBrake service on a Hyundai Elantra, Kia Forte, Kia Niro, or Kia Soul rear axle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify rotor diameter, thickness, bolt pattern, and center bore before installation. This rotor is for rear position use and does not include bearings or a rotor-hub assembly. Clean the hub mounting surface before installing the new rotor, and confirm pad condition and caliper operation during brake service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBosch QuietCast brake components are built around OE-style fitment and controlled surface finishing for consistent replacement service. The Geomet and coated finishes help protect the rotor from rust during normal use, supporting long-term brake maintenance on the listed Hyundai and Kia applications.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":51732156776629,"sku":"BBHK-53011521","price":55.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_53011521_Fro.jpg?v=1774640824","url":"https:\/\/www.partcatalog.com\/products\/bosch-53011521-disc-brake-rotor-rear","provider":"PartCatalog","version":"1.0","type":"link"}