HomeBrake > Drums and RotorsDuraGo BR900776 Disc Brake Rotor - Rear
Part #: BR900776

DuraGo BR900776 Disc Brake Rotor - Rear

Rear
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 128i and 125i
Easy Returns — Return within 60 days for a full refund
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Overview of DuraGo BR900776 Disc Brake Rotor

The DuraGo BR900776 disc brake rotor is engineered for reliable braking performance on select BMW models. Designed specifically for BMW 125i and 128i vehicles, this rotor offers a precise fit and consistent stopping power.

  • Material: Durable cast iron construction
  • Rotor Type: Vented disc brake rotor with drum-in-hat design
  • Outside Diameter: 11.81 inches (300 mm)
  • Nominal Thickness: 0.79 inches (20 mm)
  • Discard Thickness: 0.72 inches (18.4 mm)
  • Mounting Bolt Holes: 5 holes with 0.57 inch (14.5 mm) diameter
  • Mounting Bolt Hole Circle Diameter: 4.72 inches (120 mm)
  • Center Hole Diameter: 2.95 inches (75 mm)
  • Non-directional brake surface, no cross drilling or slots
  • ABS tone ring not included

Detailed Product Description

The DuraGo BR900776 rotor is constructed from full cast iron, providing a balance of strength and heat dissipation essential for effective braking. Its vented design helps reduce heat buildup during braking, which can improve rotor longevity and maintain consistent brake performance. The drum-in-hat construction integrates a parking brake drum within the rotor, making it compatible with vehicles equipped with rear drum parking brakes. This rotor is non-directional, allowing for flexible installation without concern for rotation direction. The absence of cross drilling and slots means it is designed for standard braking applications rather than high-performance or track use.

Compatible Vehicles and Applications

This rotor is compatible with BMW 125i and 128i models, ensuring a precise fit and proper function. It is ideal for drivers seeking a reliable replacement rotor that meets OEM specifications for these vehicles.

  • Restores braking efficiency on BMW 125i and 128i
  • Replaces worn or warped rotors causing vibration or noise
  • Addresses rotor thickness below discard limits (0.72 inches)
  • Eliminates brake pulsation and uneven pad wear
  • Supports proper parking brake operation with drum-in-hat design

Installation Notes and Tips

When installing the DuraGo BR900776 rotor, ensure the mounting surface is clean and free of rust or debris to promote proper seating. Verify the rotor thickness is within nominal specifications (0.79 inches) before installation. Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle’s ABS system. Use the correct torque specifications for the 5 mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo rotors are manufactured to meet or exceed industry standards for durability and performance. The BR900776 rotor undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDuraGo
Part NumberBR900776
ABS Tone Ring IncludedNo
Center Hole Diameter2.95
Center Hole Diameter75
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Cross DrilledNo
Directional or Non-Directional Brake SurfaceNon-Directional
Discard Thickness0.72
Discard Thickness18.4
MaterialCast Iron
Mounting Bolt Hole Circle Diameter4.72
Mounting Bolt Hole Circle Diameter120
Mounting Bolt Hole Diameter0.57
Mounting Bolt Hole Diameter14.5
Mounting Bolt Hole Quantity5
Nominal Thickness0.79
Nominal Thickness20
Outside Diameter11.81
Outside Diameter300
Overall Height2.98
Overall Height75.8
Rust Resistant CoatingNo
SlottedNo
Solid Or Vented Type RotorVented

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2013BMW128iRear
2012BMW128iRear
2011BMW128iRear
2010BMW125iRear
2010BMW128iRear
2009BMW125iRear
2009BMW128iRear
2008BMW128iRear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

121341073421677805134401900776980692AX900776BD180267P900776PRT6046

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.