{"product_id":"dynamic-friction-631-03021l-disc-brake-rotor","title":"Dynamic Friction 631-03021L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eRear Left Drilled and Slotted Rotor for Hyundai and Kia\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-03021L, is a rear left disc brake rotor built for select Hyundai and Kia applications. It features a slotted X drilled surface, zinc silver hat finish, and rust resistant coating for a clean, service-ready appearance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 631-03021L for rear left brake service\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled brake surface for directional braking performance\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust resistant coating\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with silver-coated hat area\u003c\/li\u003e\n\u003cli\u003eSolid rotor design with 283 mm outside diameter\u003c\/li\u003e\n\u003cli\u003e5-bolt, 5-lug pattern with 114.3 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003e76 mm center hole diameter and 12.5 mm lug hole diameter\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\u003eThis DFC Brake Rotor - Drilled and Slotted - Silver is engineered as a rear left disc brake rotor for Hyundai Sonata, Hyundai Azera, Kia Optima, and Kia Cadenza applications listed below. The directional slotted and drilled surface is paired with a solid rotor construction to support consistent rear brake service, while the zinc silver hat finish and rust resistant coating help maintain appearance over time. If you are searching for a rear left brake rotor for 2011-2020 Kia Optima or 2011-2019 Hyundai Sonata, part number 631-03021L matches the confirmed fitment data.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2011-2020 Kia Optima, rear left.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2019 Hyundai Sonata, rear left.\u003c\/li\u003e\n\u003cli\u003eFits 2006-2007 Hyundai Sonata, rear left.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2019 Hyundai Sonata, rear left, w\/Manual Parking Brake.\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Kia Optima, rear left, 305mm Front Disc.\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Kia Optima, rear left, 320mm Front Disc.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2019 Kia Optima, rear left, Manual parking brake applicable on this Disc Brake Rotor.\u003c\/li\u003e\n\u003cli\u003eFits 2010-2017 Hyundai Azera, rear left.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2016 Kia Cadenza, rear left, Manual parking brake applicable on this Disc Brake Rotor.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2016 Kia Cadenza, rear left.\u003c\/li\u003e\n\u003cli\u003eFits 2009-2010 Hyundai Sonata, rear left, From 12\/09.\u003c\/li\u003e\n\u003cli\u003eFits 2009-2010 Hyundai Sonata, rear left, To 11\/09.\u003c\/li\u003e\n\u003cli\u003eFits 2009 Hyundai Azera, rear left, Vehicle Production Date From 7\/09.\u003c\/li\u003e\n\u003cli\u003eFits 2008 Hyundai Sonata, rear left, To 2\/08.\u003c\/li\u003e\n\u003cli\u003eFits 2008 Hyundai Sonata, rear left, From 3\/08.\u003c\/li\u003e\n\u003cli\u003eFits 2005 Hyundai Sonata, rear left, From 4\/05.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm rotor dimensions, bolt pattern, and rear left position before installation. This rotor is directional, so follow the marked orientation during service. Verify whether the vehicle uses a manual parking brake and check the production-date notes for Hyundai Sonata and Hyundai Azera applications to ensure correct selection. Part number 631-03021L should be matched to the exact fitment row for the vehicle being serviced.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this rotor with the listed dimensional specifications, finish details, and application data for confirmed Hyundai and Kia fitments. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":43389619110069,"sku":"HBHR-631-03021L","price":62.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63103021L_Fro.jpg?v=1774634376","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-03021l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}