{"product_id":"dynamic-friction-631-02018l-disc-brake-rotor-front-left","title":"Dynamic Friction 631-02018L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eDrilled and Slotted Front Left Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-02018L, is a vented disc brake rotor built for the front left position on the 1986 Porsche 944. It features a directional slotted X drilled surface, zinc silver hat finish, and a rust resistant coating for a clean, service-ready appearance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1986 Porsche 944, front left\u003c\/li\u003e\n\u003cli\u003ePart number 631-02018L for application matching\u003c\/li\u003e\n\u003cli\u003eVented rotor construction for front brake use\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled surface type\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for proper rotation-specific installation\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with zinc silver hat finish\u003c\/li\u003e\n\u003cli\u003eRust resistant coating helps protect exposed surfaces\u003c\/li\u003e\n\u003cli\u003e5-bolt pattern with 127 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003e298 mm outside diameter and 106.9 mm center hole diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver is engineered for the 1986 Porsche 944 front left brake position and uses a vented design with a 28 mm nominal thickness and 26 mm discard thickness. The slotted X drilled surface supports consistent pad contact and heat management, while the directional layout requires correct side-specific installation. The 631-02018L rotor also includes a zinc silver hat finish and rust resistant coating to help maintain appearance in service.\u003c\/p\u003e\u003cp\u003eFor buyers searching for a 1986 Porsche 944 front left brake rotor, Porsche 944 drilled and slotted rotor, or DFC Brake Rotor 631-02018L, this part provides the listed dimensions and fitment details needed for application matching. The 5-lug pattern, 127 mm bolt circle, and 298 mm outside diameter align with the specified vehicle fitment.\u003c\/p\u003e\u003ch2\u003eCommon Brake Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn rotor surfaces that reduce braking consistency\u003c\/li\u003e\n\u003cli\u003eBrake pulsation caused by uneven rotor wear\u003c\/li\u003e\n\u003cli\u003eHeat buildup during repeated braking\u003c\/li\u003e\n\u003cli\u003eSurface corrosion on exposed rotor areas\u003c\/li\u003e\n\u003cli\u003eNoise or pad glazing related to rotor condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eInstall only on the confirmed front left position for the 1986 Porsche 944. Because this rotor is directional, verify rotation direction before final installation. Confirm rotor thickness, bolt pattern, center hole diameter, and overall height against the existing brake setup before service. Brake pads and caliper condition should also be inspected during rotor replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction identifies this rotor with a rust resistant coating and zinc silver hat finish for added surface protection. Part number 631-02018L is listed for the exact application shown in the fitment data.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":51784248885429,"sku":"HBHR-631-02018L","price":104.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63102018L_Fro.jpg?v=1774641235","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-02018l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}