{"product_id":"dynamic-friction-631-54218l-disc-brake-rotor-rear-left","title":"Dynamic Friction 631-54218L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDynamic Friction 631-54218L is a rear left disc brake rotor for select 2012-2014 Ford F-150 applications with 7-lug wheels. It combines a vented, directional slotted and drilled surface with a zinc silver hat finish and rust-resistant coating for a clean, service-ready replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2012-2014 Ford F-150, rear left.\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled braking surface for consistent pad contact and heat management.\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved airflow through the disc.\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating.\u003c\/li\u003e\n\u003cli\u003e7-lug bolt pattern with 150 mm bolt circle and 90.1 mm center hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction brake rotor is built for the rear left position on 2012-2014 Ford F-150 trucks equipped with 7-lug wheels. Part number 631-54218L features a directional, vented design with a slotted and drilled friction surface to support even pad engagement and stable braking performance under repeated stops. The plain disc finish, zinc silver hat finish, and rust-resistant coating help maintain a cleaner appearance and added corrosion protection in service.\u003c\/p\u003e\u003cp\u003eThe rotor measures 348 mm outside diameter with 25 mm nominal thickness and 23 mm discard thickness. It also uses a 7-hole lug pattern, 150 mm bolt circle, and 90.1 mm center hole diameter for the specified application. If you are replacing a worn or heat-affected rotor on a Ford F-150, 631-54218L provides the fitment and construction details needed for a direct service replacement.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn rear brake rotor on a Ford F-150.\u003c\/li\u003e\n\u003cli\u003eAddressing brake pulsation caused by rotor wear or uneven surface condition.\u003c\/li\u003e\n\u003cli\u003eRestoring braking consistency after heat checking or scoring.\u003c\/li\u003e\n\u003cli\u003eImproving airflow and surface cleaning with a vented, slotted, drilled design.\u003c\/li\u003e\n\u003cli\u003eMaintaining correct fitment for 7-lug rear brake service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear left fitment, 7-lug wheel configuration, and rotor dimensions before installation. Inspect pads, caliper hardware, and hub condition at the same time to avoid uneven wear on the new rotor. Clean the hub mounting surface thoroughly so the rotor seats flat and runs true.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction offers a brake rotor line focused on application-specific fitment and corrosion-resistant finishes. Part number 631-54218L is built to match the listed Ford F-150 application requirements.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53627848491189,"sku":"HBHR-631-54218L","price":148.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63154218L_Fro.jpg?v=1793257598","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-54218l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}