{"product_id":"durago-br55078-disc-brake-rotor","title":"DuraGo BR55078 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of DuraGo BR55078 Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR55078 is a solid disc brake rotor designed for reliable braking performance on select Buick, Oldsmobile, and Pontiac vehicles. Engineered with cast iron construction, this rotor provides consistent stopping power for models like the Buick Rendezvous, Pontiac Aztek, and Oldsmobile Silhouette.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable cast iron for strength and heat dissipation\u003c\/li\u003e\n\u003cli\u003eRotor Type: Solid, non-directional brake surface\u003c\/li\u003e\n\u003cli\u003eConstruction: Full cast design with drum-in-hat configuration\u003c\/li\u003e\n\u003cli\u003eDimensions: 11.43 inch (290.3 mm) outside diameter, 1.83 inch (46.4 mm) overall height\u003c\/li\u003e\n\u003cli\u003eMounting: 5 bolt holes with 4.53 inch (115 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 0.43 inch (11 mm) with discard thickness at 0.35 inch (9 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with ABS systems: No ABS tone ring included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DuraGo BR55078 disc brake rotor is constructed from cast iron, a material known for its durability and effective heat management during braking. This rotor features a solid, non-directional braking surface, which means it can be installed in any orientation without affecting performance. The full cast construction includes a drum-in-hat design, integrating the rotor and drum components for vehicles equipped with rear drum parking brakes.\u003c\/p\u003e\u003cp\u003eWith an outside diameter of 11.43 inches and an overall height of 1.83 inches, this rotor fits specific Buick, Oldsmobile, and Pontiac models, including the Montana, Silhouette, and Rendezvous. The rotor’s mounting configuration includes five bolt holes spaced on a 4.53-inch bolt circle diameter, ensuring proper fitment and secure installation. The nominal thickness of 0.43 inches provides a solid braking surface, while the discard thickness of 0.35 inches indicates when replacement is necessary to maintain safe braking performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis DuraGo disc brake rotor is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Rendezvous\u003c\/li\u003e\n\u003cli\u003eOldsmobile Silhouette\u003c\/li\u003e\n\u003cli\u003ePontiac Aztek\u003c\/li\u003e\n\u003cli\u003eBuick Montana\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed for vehicles requiring a drum-in-hat type rotor without an ABS tone ring, making it suitable for certain rear brake applications on these models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by BR55078 Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUneven or reduced braking performance due to worn or warped rotors\u003c\/li\u003e\n\u003cli\u003eBrake noise caused by rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eVibration or pulsation during braking from rotor thickness variation\u003c\/li\u003e\n\u003cli\u003eBrake fade from insufficient heat dissipation in older rotors\u003c\/li\u003e\n\u003cli\u003eIncompatibility with drum-in-hat parking brake systems\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 (0.35 inch) before installation\u003c\/li\u003e\n\u003cli\u003eClean mounting surface to prevent rotor runout and vibration\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fitment\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle’s parking brake system due to drum-in-hat design\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 BR55078 rotor to meet or exceed OEM specifications for fit, form, and function. The cast iron material and full cast construction provide durability under normal operating conditions. While no rust-resistant coating is applied, proper maintenance can help extend rotor life. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"DuraGo","offers":[{"title":"Default Title","offer_id":43584667779253,"sku":"GVMP-BR55078","price":46.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/PR_BR55078_Fro.jpg?v=1774634929","url":"https:\/\/www.partcatalog.com\/products\/durago-br55078-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}