{"product_id":"dynamic-friction-631-54013l-disc-brake-rotor-front-left","title":"Dynamic Friction 631-54013L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDynamic Friction 631-54013L is a vented disc brake rotor with a slotted and drilled surface, built for drivers restoring or servicing classic Ford and Mercury applications. It fits front left positions and uses a zinc silver hat finish with rust-resistant coating for added surface protection.\u003c\/p\u003e\u003cp\u003eThis rotor is a fitment-based replacement for select Ford LTD II, Ranchero, Thunderbird, Elite, Gran Torino, Torino, and Mercury Cougar and Montego applications. The 631-54013L part number is useful when matching the correct rotor for the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSlotted and drilled brake surface for consistent pad contact and heat management.\u003c\/li\u003e\n\u003cli\u003eVented rotor construction for improved airflow through the braking surface.\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating.\u003c\/li\u003e\n\u003cli\u003eFive-lug pattern with 114.3 mm bolt circle diameter.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for the specified application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 631-54013L disc brake rotor is engineered for front left fitment on select 1974-1979 Ford and Mercury vehicles. Its 272 mm outside diameter, 70.5 mm center hole diameter, and 5-lug, 114.3 mm bolt circle dimensions support accurate replacement matching for classic brake service. The 631-54013L rotor is a practical choice when replacing a worn rotor on a Ford Torino, Mercury Cougar, or similar listed application.\u003c\/p\u003e\u003cp\u003eBrand Line: DFC Brake Rotor - Drilled and Slotted - Silver identifies a rotor line focused on a drilled-and-slotted braking surface with a silver-finished hat. That combination is aimed at buyers who want a replacement rotor with a more corrosion-resistant appearance and a performance-oriented surface design while staying within the listed OE-style fitment.\u003c\/p\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCorrecting brake pulsation caused by rotor wear or uneven surface condition.\u003c\/li\u003e\n\u003cli\u003eReplacing a rotor with scoring, rust, or heat-related surface damage.\u003c\/li\u003e\n\u003cli\u003eRestoring braking performance on classic Ford and Mercury front left applications.\u003c\/li\u003e\n\u003cli\u003eAddressing noise or reduced pad contact from an out-of-spec rotor surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the listed fitment before installation, including the front left position and any application notes such as exclusions for Police, Taxi, Heavy Duty, or wagon configurations. Confirm rotor dimensions, bolt pattern, and center bore against the removed part before service. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this rotor with a rust-resistant coating and zinc silver hat finish to support surface protection during service and storage. The part number 631-54013L should be matched to the vehicle listing and brake configuration before installation.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53540949622965,"sku":"HBHR-631-54013L","price":179.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63154013L_Fro.jpg?v=1792220463","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-54013l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}