{"product_id":"dynamic-friction-604-68021-disc-brake-rotor-rear","title":"Dynamic Friction 604-68021 Disc Brake Rotor - Rear","description":"\u003ch2\u003eBrake Rotor Overview\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 604-68021 is a vented disc brake rotor built for rear brake service on select full-size SUVs. It is part of the DFC GEOSPEC Coated Rotor line and uses a smooth, non-directional braking surface for consistent contact.\u003c\/p\u003e\u003cp\u003eCompatible With 2025-2026 INFINITI QX80 and 2025-2026 Nissan Armada, rear. This rotor is identified by part number 604-68021 and is engineered around a 350 mm outside diameter, 6-bolt pattern, and 139.7 mm bolt circle.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVented rotor design for improved heat management during braking.\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with a smooth surface type.\u003c\/li\u003e\n\u003cli\u003eNon-directional brake surface for uniform installation orientation.\u003c\/li\u003e\n\u003cli\u003e350 mm outside diameter with 82 mm center hole diameter.\u003c\/li\u003e\n\u003cli\u003eDFC GEOSPEC Coated Rotor product line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 604-68021 disc brake rotor is a direct-fit rear rotor application for the 2025-2026 INFINITI QX80 and 2025-2026 Nissan Armada. Its vented construction, 18.5 mm discard thickness, and 20 mm nominal thickness support stable braking performance in a large SUV platform. The smooth, plain braking face and non-directional surface simplify service consistency, while the 6-bolt, 139.7 mm bolt circle layout matches the listed fitment.\u003c\/p\u003e\u003cp\u003eAs part of the DFC GEOSPEC Coated Rotor line, this rotor is positioned for buyers looking for a coated rotor family from Dynamic Friction with OE-style fitment details. The 604-68021 part number is the reference to use when matching this rear brake rotor for the INFINITI QX80 or Nissan Armada.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn rear brake rotor with the correct fitment.\u003c\/li\u003e\n\u003cli\u003eAddressing brake pulsation caused by rotor wear or uneven surface condition.\u003c\/li\u003e\n\u003cli\u003eRestoring braking contact when the rotor surface is no longer smooth.\u003c\/li\u003e\n\u003cli\u003eMatching the specified bolt pattern and center bore for service work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rear fitment, bolt circle diameter, center hole diameter, and overall height before installation. Confirm the rotor matches the listed 2025-2026 INFINITI QX80 and 2025-2026 Nissan Armada application, and compare the removed part to part number 604-68021 before assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction identifies this rotor within the DFC GEOSPEC Coated Rotor line, which provides a defined product family for brake service selection. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53439467684021,"sku":"HBHR-604-68021","price":101.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60468021_FRO.jpg?v=1791268427","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-604-68021-disc-brake-rotor-rear","provider":"PartCatalog","version":"1.0","type":"link"}