DuraGo BR901278 Disc Brake Rotor - Rear

DuraGo BR901278 Rear Brake Rotor

The DuraGo BR901278 is a rear vented disc brake rotor built for specific Ram ProMaster applications. Made from cast iron with a full cast construction, it is engineered to match OE-style fit, form, and function for service replacement on the rear axle.

Key Features

• Cast iron, full cast construction for consistent braking performance
• Vented rear rotor design for Ram ProMaster 1500, 2500, and 3500 applications
• 11.81 in. outside diameter and 3.15 in. overall height
• 5-bolt mounting pattern with 130 mm bolt circle diameter
• Non-directional brake surface for straightforward service preparation
• Drum-in-hat rotor design with no cross-drilling or slots
• Direct replacement part number BR901278

Detailed Description

DuraGo BR901278 is a rear disc brake rotor for 2014-2021 Ram ProMaster 1500, 2014-2021 Ram ProMaster 2500, and 2014-2021 Ram ProMaster 3500 models with vented rear rotors. It uses a cast iron, full cast design with a 300 mm outside diameter, 79 mm center hole diameter, and 5 mounting bolt holes on a 130 mm bolt circle. The rotor is built as a drum-in-hat type and uses a non-directional braking surface to support service installation and brake pad contact consistency. This part cross-references Mopar 68195534AC for the same application.

Common Problems This Rotor Can Address

• Rear brake pulsation caused by rotor wear or thickness variation
• Reduced braking performance from a worn or heat-affected rotor surface
• Noise from uneven rotor contact with the brake pads
• Service replacement needs on Ram ProMaster rear vented brake systems
• Corrosion-related rotor replacement during brake maintenance

Installation Notes and Tips

Confirm rear axle fitment and vented rotor configuration before installation on Ram ProMaster 1500, 2500, or 3500 models. Inspect pads, caliper hardware, and hub condition during brake service, and clean the mounting surface before installing the rotor. Verify rotor thickness against service limits and follow the vehicle manufacturer’s brake service procedure.

Quality Assurance

DuraGo has over 45 years of aftermarket manufacturing experience and produces brake components through ISO certified factories. The brand’s brake drum and rotor program is built around catalog accuracy and OE-style fit, form, and function for professional repair use.