HomeBrake > Drums and RotorsDuraGo BR900550 Disc Brake Rotor - Rear
Part #: BR900550

DuraGo BR900550 Disc Brake Rotor - Rear

Rear
13 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, IS250
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Durable Cast Iron Disc Brake Rotor for Lexus IS250

The DuraGo BR900550 disc brake rotor is engineered to provide reliable braking performance for your Lexus IS250. Designed as a solid, drum-in-hat type rotor, it offers consistent stopping power and durability for everyday driving conditions.

  • Constructed from full cast iron for strength and heat dissipation
  • Solid rotor design with no cross-drilling or slots
  • Drum-in-hat style with integrated parking brake drum
  • Non-directional brake surface for versatile installation
  • Compatible with Lexus IS250 models requiring 11.46 inch diameter rotors
  • Mounting bolt pattern: 5 holes on a 114.3 mm bolt circle diameter
  • Nominal thickness of 0.39 inches (10 mm) with discard thickness at 0.33 inches (8.5 mm)
  • Overall height of 2.41 inches (61.2 mm) and center hole diameter of 2.44 inches (62 mm)

Product Details and Specifications

The DuraGo BR900550 rotor is made from cast iron, a material known for its durability and effective heat management during braking. This rotor features a solid construction without venting, cross-drilling, or slotted surfaces, which suits vehicles that do not require enhanced cooling or performance braking features. The drum-in-hat design integrates a parking brake drum, making it a direct replacement for Lexus IS250 models equipped with this setup. The rotor's non-directional surface allows for flexible installation without concern for rotation direction. With a 5-bolt mounting pattern and precise dimensions, this rotor ensures proper fitment and reliable operation.

Compatible Applications and Common Issues Addressed

  • Replacement for worn or warped rotors on Lexus IS250
  • Resolves brake pulsation caused by uneven rotor thickness
  • Addresses noise and vibration issues from damaged rotors
  • Restores proper braking performance and pedal feel
  • Suitable for vehicles requiring drum-in-hat style rear rotors

Installation Notes and Tips

When installing the DuraGo BR900550 rotor, ensure the mounting surface is clean and free of rust or debris to promote proper seating. Verify the rotor thickness before installation to confirm it meets the minimum discard thickness of 0.33 inches (8.5 mm). Use appropriate torque specifications for the 5 mounting bolts to avoid rotor warping. Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle's ABS system. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides consistent wear characteristics and heat resistance. While no rust-resistant coating is applied, proper maintenance and installation will help extend rotor life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDuraGo
Part NumberBR900550
ABS Tone Ring IncludedNo
Center Hole Diameter2.44
Center Hole Diameter62
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Cross DrilledNo
Directional or Non-Directional Brake SurfaceNon-Directional
Discard Thickness0.33
Discard Thickness8.5
MaterialCast Iron
Mounting Bolt Hole Circle Diameter4.5
Mounting Bolt Hole Circle Diameter114.3
Mounting Bolt Hole Diameter0.57
Mounting Bolt Hole Diameter14.4
Mounting Bolt Hole Quantity5
Nominal Thickness0.39
Nominal Thickness10
Outside Diameter11.46
Outside Diameter291
Overall Height2.41
Overall Height61.2
Rust Resistant CoatingNo
SlottedNo
Solid Or Vented Type RotorSolid

This part fits 13 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2015LexusIS250BaseRear
2015LexusIS250F SportRear
2014LexusIS250BaseRear
2014LexusIS250F SportRear
2013LexusIS250RearExcept Sport Suspension
2012LexusIS250BaseRearExcept Sport Suspension
2012LexusIS250CRear
2011LexusIS250BaseRearExcept Sport Suspension
2010LexusIS250BaseRear
2009LexusIS250Rear
2008LexusIS250Rear
2007LexusIS250Rear
2006LexusIS250Rear

* 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:

12144142314474243130280900550980489981035AX900550BD180168P980489PRT5941

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