HomeBrake > Drums and RotorsDuraGo BR901780-01 Disc Brake Rotor - Front
Part #: BR901780-01

DuraGo BR901780-01 Disc Brake Rotor - Front

Front
7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Ascent
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Reliable Disc Brake Rotor for Subaru Ascent

The DuraGo BR901780-01 disc brake rotor is engineered to provide consistent braking performance for your Subaru Ascent. Constructed from durable cast iron with a rust-resistant coating, this rotor is designed to withstand daily driving conditions while maintaining safety and reliability.

  • Material: Full cast iron construction for strength and heat dissipation
  • Vented rotor design to improve cooling and reduce brake fade
  • Rust-resistant coating to extend rotor life and maintain appearance
  • Nominal thickness of 30 mm with discard thickness at 28 mm for precise wear limits
  • Overall diameter of 333.5 mm (13.13 inches) compatible with Subaru Ascent brake systems
  • Five mounting bolt holes with a 114.3 mm bolt circle diameter for secure fitment
  • Non-directional brake surface suitable for standard braking applications

Durable Construction and Precise Fitment

The DuraGo BR901780-01 rotor features a full cast iron build that offers excellent thermal conductivity and durability. Its vented design allows air to flow between the rotor surfaces, helping to dissipate heat more effectively during braking. The rust-resistant coating helps prevent corrosion, which can compromise rotor integrity over time. With an overall height of 46.3 mm and a center hole diameter of 58 mm, this rotor is engineered to match the exact specifications required for the Subaru Ascent, ensuring proper installation and optimal braking performance.

Compatible Applications and Performance Benefits

This disc brake rotor is specifically compatible with Subaru Ascent models, providing a direct replacement for worn or damaged rotors. It is designed to address common braking issues such as:

  • Brake noise caused by uneven rotor surfaces
  • Reduced braking efficiency due to rotor warping or wear
  • Corrosion-related rotor degradation
  • Overheating and brake fade during extended use
  • Vibration or pulsation felt through the brake pedal

Installation Notes and Tips

When installing the DuraGo BR901780-01 rotor, ensure the mounting surface is clean and free of debris to promote proper seating. Verify that the rotor thickness is within the nominal range (30 mm) and above the discard thickness (28 mm) before installation. Use the correct torque specifications for the five mounting bolts to avoid rotor distortion. This rotor does not include an ABS tone ring and is non-directional, so orientation during installation is flexible.

Quality Assurance and Warranty

DuraGo manufactures this disc brake rotor to meet industry standards for safety and durability. The full cast iron construction combined with a rust-resistant coating supports long-term performance. While specific warranty details are not provided, DuraGo products typically adhere to quality control measures to ensure reliability for Subaru Ascent owners requiring replacement rotors.

BrandDuraGo
Part NumberBR901780-01
MaterialCast iron
Discard Thickness1.1
Discard Thickness28
Nominal Thickness1.18
Nominal Thickness30
ConstructionFull cast
Rust Resistant CoatingYes
Overall Height1.82
Overall Height46.3
Outside Diameter13.13
Outside Diameter333.5
Mounting Bolt Hole Quantity5
ABS Tone Ring IncludedNo
Solid Or Vented Type RotorVented
Center Hole Diameter2.28
Center Hole Diameter58
Mounting Bolt Hole Circle Diameter114.3
Mounting Bolt Hole Circle Diameter4.5
Mounting Bolt Hole Diameter0.51
Mounting Bolt Hole Diameter13
Directional or Non-Directional Brake SurfaceNon-directional
Conventional Or Drum-In-Hat Type RotorConventional
Cross DrilledNo
SlottedNo

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2025SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2024SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2023SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2022SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2021SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2020SubaruAscentFrontCoated Hat and Edge for Rust Resistance
2019SubaruAscentFrontCoated 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:

26300XC00A

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