{"product_id":"zimmermann-100-3370-70-disc-brake-rotor-rear","title":"Zimmermann 100.3370.70 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Zimmermann Formula Z disc brake rotor is built for high mechanical and thermal load, with a two-piece construction and floating aluminum hub design. It is a direct fit for select Audi RS6 rear brake applications and is engineered to handle demanding braking conditions with stable performance.\u003c\/p\u003e\u003cp\u003ePart number 100.3370.70 is coated for corrosion resistance and uses high-carbon machining to support heat management. The floating mounting design allows radial expansion under load, helping reduce heat cracking and maintaining braking consistency.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTwo-piece disc brake rotor with floating aluminum hub construction\u003c\/li\u003e\n\u003cli\u003eHigh-carbon machining for demanding braking conditions\u003c\/li\u003e\n\u003cli\u003eCoated surface for improved corrosion resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for stable braking under high thermal load\u003c\/li\u003e\n\u003cli\u003eABE-certified rotor supplied with ECE note\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eZimmermann Formula Z rotor 100.3370.70 is a performance-oriented brake disc designed for applications that place greater stress on the braking system. The floating mounting allows the disc to expand radially during heavy use, which helps reduce shielding and improves resistance to heat cracks. Its coated finish also supports long-term appearance and corrosion protection.\u003c\/p\u003e\u003cp\u003eThis rotor is a fitment-specific replacement for the Audi RS6 rear brake application listed below. The part number 100.3370.70 is also referenced in interchange data for related OE-style applications, including 4F0 615 601 H and Davico Mfg 18550.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade during repeated high-load stops\u003c\/li\u003e\n\u003cli\u003eHeat cracking from elevated rotor temperatures\u003c\/li\u003e\n\u003cli\u003eCorrosion on exposed rotor surfaces\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency under demanding use\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing the specified rear rotor application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 2010 Audi RS6, rear, for PR number 1KJ. Verify rotor dimensions, hub bore, bolt circle, and minimum thickness before installation. Confirm the brake system code and application details against the vehicle before ordering. Part number 100.3370.70 should be matched to the listed fitment and brake specification.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eZimmermann supplies this rotor with ABE certification and an ECE note, indicating regulatory documentation is included with the part. The Formula Z line is engineered for high-load braking applications and uses a coated surface to support corrosion resistance.\u003c\/p\u003e","brand":"Zimmermann","offers":[{"title":"Default Title","offer_id":53534307418293,"sku":"BKND-100.3370.70","price":467.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZI_100337070_Fro.jpg?v=1792134266","url":"https:\/\/www.partcatalog.com\/products\/zimmermann-100-3370-70-disc-brake-rotor-rear","provider":"PartCatalog","version":"1.0","type":"link"}