{"product_id":"durago-br55075-disc-brake-rotor","title":"DuraGo BR55075 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of DuraGo BR55075 Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR55075 is a cast iron vented disc brake rotor designed for heavy-duty applications. Engineered for Chevrolet and GMC 3500 series trucks, this rotor offers reliable braking performance and durability under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Full cast iron construction for strength and heat dissipation\u003c\/li\u003e\n\u003cli\u003eVented design to improve cooling and reduce brake fade\u003c\/li\u003e\n\u003cli\u003eDrum-in-hat type rotor with integrated parking brake drum\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 12.8 inches (325 mm) and overall height of 5.21 inches (132.3 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt pattern: 8 holes with 6.5 inch (165 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.18 inches (30 mm) with discard thickness at 1.12 inches (28.5 mm)\u003c\/li\u003e\n\u003cli\u003eNon-directional brake surface for flexible installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR55075 disc brake rotor is constructed from full cast iron, providing a robust and heat-resistant braking surface suitable for heavy-duty trucks. Its vented design enhances airflow between the rotor faces, helping to dissipate heat more effectively during braking. This reduces the risk of brake fade and extends rotor life. The drum-in-hat construction integrates a parking brake drum, making it compatible with vehicles that use this combined braking system.\u003c\/p\u003e\u003cp\u003eWith an outside diameter of 325 mm and an overall height of 132.3 mm, this rotor fits Chevrolet Express 3500, GMC Savana 3500, and various Sierra and Silverado 3500 models, including HD and Classic versions. The mounting bolt pattern includes 8 holes spaced on a 165 mm bolt circle, ensuring secure attachment. The rotor’s nominal thickness is 30 mm, with a discard thickness of 28.5 mm, indicating when replacement is necessary to maintain safe braking performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Express 3500\u003c\/li\u003e\n\u003cli\u003eGMC Savana 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500, 3500 Classic, and 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500, 3500 Classic, and 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis rotor is designed specifically for these heavy-duty truck models, ensuring proper fitment and reliable braking under load.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by DuraGo BR55075\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake rotor warping due to heat buildup\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from worn or thin rotors\u003c\/li\u003e\n\u003cli\u003eNoise and vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eParking brake malfunctions related to drum-in-hat rotor wear\u003c\/li\u003e\n\u003cli\u003eCorrosion-related rotor degradation (note: this rotor does not have rust-resistant coating)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (1.12 inches) before installation\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces to prevent uneven rotor seating\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fit\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with ABS sensors; this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware during rotor replacement for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDuraGo manufactures the BR55075 rotor to meet or exceed OEM specifications for fit and function. The full cast iron construction and vented design support consistent braking performance. While this rotor does not feature a rust-resistant coating, proper maintenance can help extend service life. Warranty coverage details should be confirmed with the product provider or manufacturer.\u003c\/p\u003e","brand":"DuraGo","offers":[{"title":"Default Title","offer_id":43584662700213,"sku":"GVMP-BR55075","price":79.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/PR_BR55075_Fro_4fec8de7-d20f-467c-890e-bd054b3525a8.jpg?v=1774634929","url":"https:\/\/www.partcatalog.com\/products\/durago-br55075-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}