{"product_id":"dynamic-friction-631-63003l-disc-brake-rotor","title":"Dynamic Friction 631-63003L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eDrilled and Slotted Rear Left Rotor for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-63003L, is a rear left disc brake rotor built for select Mercedes-Benz applications. It combines a slotted X 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\u003ePart number 631-63003L for rear left brake service\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled surface type for directional brake surface performance\u003c\/li\u003e\n\u003cli\u003eSolid rotor design with 279 mm outside diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 10 mm; discard thickness: 8.3 mm\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust-resistant coating\u003c\/li\u003e\n\u003cli\u003e5-bolt, 5-lug pattern with 112 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003e67 mm center hole diameter and 15 mm stud\/lug hole diameter\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with silver-coated hat for corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDFC Brake Rotor Line Details\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line focuses on direct-fit brake rotor replacement with a directional braking surface and corrosion-resistant finish. For Mercedes-Benz 300SE, 300SEL, 300SD, 300SDL, 300D, 300TD, 350SD, 350SDL, 380SE, 380SEL, 380SEC, 380SL, 380SLC, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, and 560SL applications, this rotor is specified for rear left fitment where the listed caliper configurations match.\u003c\/p\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBuilt for select classic and late-model Mercedes-Benz rear brake applications, the 631-63003L rotor is sized to match the listed OE-style dimensions and mounting pattern. The drilled and slotted braking surface is directional, while the solid rotor construction and zinc silver hat finish support consistent service replacement on vehicles such as the Mercedes-Benz 300SE and 300SD. This part number 631-63003L is listed across multiple chassis and caliper combinations, including ATE, Bendix, and Girling configurations where noted.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRear brake rotor wear on Mercedes-Benz vehicles with the listed fitments\u003c\/li\u003e\n\u003cli\u003eBrake surface scoring or uneven rotor finish\u003c\/li\u003e\n\u003cli\u003eCorrosion on the rotor hat and exposed metal surfaces\u003c\/li\u003e\n\u003cli\u003eReplacement needs for directional drilled and slotted rear rotors\u003c\/li\u003e\n\u003cli\u003eFitment-specific rear left rotor service on older Mercedes-Benz platforms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle production date, caliper type, and rear left position before ordering. This rotor is listed for specific Mercedes-Benz 300SE, 300SEL, 300SD, 300SDL, 300D, 300TD, 350SD, 350SDL, 380SE, 380SEL, 380SEC, 380SL, 380SLC, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, and 560SL applications. Confirm the 112 mm bolt circle, 67 mm center hole, and 5-lug pattern against the existing rotor before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction specifies a rust-resistant coating and zinc silver hat finish for added corrosion protection in service. The 631-63003L is engineered as a direct replacement disc brake rotor for the listed Mercedes-Benz rear left applications.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":43389636313269,"sku":"HBHR-631-63003L","price":62.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63163003L_Fro_8a737cbc-57e2-4e23-92c8-85b498b94419.jpg?v=1774634467","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-63003l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}