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DuraGo BR55085-01 Disc Brake Rotor - Rear
Overview of DuraGo BR55085-01 Disc Brake Rotor
The DuraGo BR55085-01 is a solid disc brake rotor designed for reliable braking performance. Engineered with cast iron construction and a rust-resistant coating, this rotor is compatible with select Buick, Chevrolet, and Pontiac models, including the Allure, Grand Prix, Impala, Impala Limited, and LaCrosse.
- Material: Durable cast iron for consistent heat dissipation
- Nominal thickness: 0.55 inches (14 mm) ensuring structural integrity
- Discard thickness: 0.49 inches (12.5 mm) indicating service limit
- Overall height: 1.44 inches (36.7 mm) for proper fitment
- Outside diameter: 10.63 inches (270 mm) matching OEM specifications
- Mounting bolt hole quantity: 5 with a 4.65 inch (118 mm) bolt circle diameter
- Solid rotor design without slots or cross-drilling
- Non-directional brake surface for versatile installation
- Rust-resistant coating to reduce corrosion over time
Detailed Product Description
The DuraGo BR55085-01 disc brake rotor is constructed from full cast iron, providing a balance of strength and heat management essential for braking systems. Its solid rotor design is conventional, without slots or cross-drilled holes, which suits vehicles that require a standard rotor for everyday driving conditions. The rotor features a rust-resistant coating to help extend its service life by minimizing surface corrosion. With a 5-bolt mounting pattern and precise dimensions, this rotor is engineered to fit specific Buick, Chevrolet, and Pontiac models such as the Buick Allure and LaCrosse, Chevrolet Impala and Impala Limited, and Pontiac Grand Prix.
Compatible Vehicles and Applications
- Buick Allure and LaCrosse
- Chevrolet Impala and Impala Limited
- Pontiac Grand Prix
- Replacement for worn or warped rotors
- Addressing brake pulsation or noise issues
- Restoring braking performance after rotor damage
Installation Notes and Tips
Ensure the rotor surface and hub are clean and free of debris before installation. Verify the rotor thickness is within the nominal range and above the discard thickness to maintain safety. Use proper torque specifications for the 5 mounting bolts to avoid rotor warping. This rotor does not include an ABS tone ring, so confirm compatibility with your vehicle’s ABS system.
Quality Assurance and Warranty
DuraGo rotors are manufactured to meet or exceed OEM standards for fit and function. The BR55085-01 rotor undergoes quality control checks to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship.
| Brand | DuraGo |
|---|---|
| Part Number | BR55085-01 |
| Material | Cast iron |
| Discard Thickness | 0.49 |
| Discard Thickness | 12.5 |
| Nominal Thickness | 0.55 |
| Nominal Thickness | 14 |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 1.44 |
| Overall Height | 36.7 |
| Outside Diameter | 10.63 |
| Outside Diameter | 270 |
| Mounting Bolt Hole Quantity | 5 |
| ABS Tone Ring Included | No |
| Solid Or Vented Type Rotor | Solid |
| Center Hole Diameter | 2.78 |
| Center Hole Diameter | 70.7 |
| Mounting Bolt Hole Circle Diameter | 118 |
| Mounting Bolt Hole Circle Diameter | 4.65 |
| Mounting Bolt Hole Diameter | 0.65 |
| Mounting Bolt Hole Diameter | 16.5 |
| Directional or Non-Directional Brake Surface | Non-directional |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Slotted | No |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Impala Limited | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2015 | Chevrolet | Impala Limited | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2014 | Chevrolet | Impala Limited | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2013 | Chevrolet | Impala | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2012 | Chevrolet | Impala | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2011 | Chevrolet | Impala | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2009 | Buick | Allure | 3.8L | V6 | Rear | Coated Hat and Edge for Rust Resistance | |
| 2009 | Buick | LaCrosse | 3.8L | V6 | Rear | Coated Hat and Edge for Rust Resistance | |
| 2008 | Buick | Allure | 3.8L | V6 | Rear | Coated Hat and Edge for Rust Resistance | |
| 2008 | Buick | LaCrosse | 3.8L | V6 | Rear | Coated Hat and Edge for Rust Resistance | |
| 2008 | Pontiac | Grand Prix | Base | Rear | Coated Hat and Edge for Rust Resistance | ||
| 2007 | Buick | Allure | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2007 | Buick | LaCrosse | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2007 | Pontiac | Grand Prix | Base | Rear | Coated Hat and Edge for Rust Resistance | ||
| 2006 | Buick | Allure | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2006 | Buick | LaCrosse | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2006 | Pontiac | Grand Prix | Base | Rear | Coated Hat and Edge for Rust Resistance | ||
| 2005 | Buick | Allure | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2005 | Buick | LaCrosse | Rear | Coated Hat and Edge for Rust Resistance | |||
| 2005 | Pontiac | Grand Prix | Base | Rear | Coated Hat and Edge for Rust Resistance | ||
| 2004 | Pontiac | Grand Prix | Rear | Coated Hat and Edge for Rust Resistance |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.