{"product_id":"dynamic-friction-631-47001l-disc-brake-rotor-front-left","title":"Dynamic Friction 631-47001L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eBrake Rotor Overview\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 631-47001L is a front left disc brake rotor with a slotted and drilled surface for controlled brake pad contact. It is built for 4-lug applications with a 100 mm bolt circle and a zinc silver hat finish for added corrosion resistance.\u003c\/p\u003e\u003cp\u003eCompatible with select Chevrolet Spectrum, Geo Spectrum, and Isuzu I-Mark applications, this rotor is a fitment-specific replacement for vehicles that use the listed dimensions and mounting pattern. The 631-47001L combines a plain disc finish with a directional braking surface to support consistent braking performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSlotted and drilled rotor surface for improved pad bite and heat management.\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating for added surface protection.\u003c\/li\u003e\n\u003cli\u003eSolid rotor construction with 227 mm outside diameter and 42 mm height.\u003c\/li\u003e\n\u003cli\u003e4-bolt, 4-lug design with 100 mm bolt circle and 57 mm center hole.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for application-specific installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eFits 1989 Geo Spectrum, front left, without F41 Package.\u003c\/p\u003e\u003cp\u003eFits 1985-1989 Isuzu I-Mark, front left.\u003c\/p\u003e\u003cp\u003eFits 1985-1988 Chevrolet Spectrum, front left.\u003c\/p\u003e\u003cp\u003eThis part cross-references no listed interchange numbers for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorn rotor surfaces that cause brake pulsation.\u003c\/li\u003e\n\u003cli\u003eCorrosion on the rotor hat or braking surface.\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency from heat buildup.\u003c\/li\u003e\n\u003cli\u003eUneven pad contact on a directional rotor setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify rotor dimensions, bolt pattern, center hole diameter, and directional orientation before installation. Confirm the vehicle uses a front left rotor and match any listed notes, including the 1989 Geo Spectrum without the F41 Package.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction identifies this rotor as part of its DFC Brake Rotor - Drilled and Slotted - Silver line, which focuses on application-specific brake rotor design and corrosion-resistant finishing.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53519199436981,"sku":"HBHR-631-47001L","price":66.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63147001L_Fro.jpg?v=1791958034","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-47001l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}