HomeBrake > Drums and RotorsDuraGo BR31365 Disc Brake Rotor - Rear
Part #: BR31365

DuraGo BR31365 Disc Brake Rotor - Rear

Rear
14 vehicles fit this part
Select your vehicle to confirm fitment
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 3 and 3 Sport
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of DuraGo BR31365 Disc Brake Rotor

The DuraGo BR31365 is a cast iron disc brake rotor designed specifically for Mazda 3 and Mazda 3 Sport models. Engineered for reliable braking performance, this solid rotor offers consistent stopping power and durability for everyday driving conditions.

  • Material: Full cast iron construction for strength and heat dissipation
  • Rotor Type: Solid, conventional design without venting
  • Outside Diameter: 10.43 inches (265 mm)
  • Nominal Thickness: 0.43 inches (11 mm)
  • Discard Thickness: 0.35 inches (9 mm)
  • Mounting Bolt Holes: 5 holes with 0.55 inch (14 mm) diameter
  • Mounting Bolt Hole Circle Diameter: 4.5 inches (114.3 mm)
  • Center Hole Diameter: 2.84 inches (72.1 mm)
  • Non-directional brake surface for flexible installation

Detailed Product Description

The DuraGo BR31365 disc brake rotor is constructed from full cast iron, providing a robust and durable braking surface that withstands the rigors of daily driving. Its solid rotor design, without slots or cross-drilled holes, ensures uniform wear and reliable heat management under normal operating conditions. The rotor measures 10.43 inches in diameter with a nominal thickness of 0.43 inches, allowing for effective braking performance while maintaining structural integrity. This rotor is designed with five mounting bolt holes arranged on a 4.5-inch bolt circle, compatible with Mazda 3 and Mazda 3 Sport vehicles. The non-directional brake surface allows for installation on either side of the vehicle without affecting performance.

Compatible Vehicles and Applications

This disc brake rotor is compatible with the following Mazda models:

  • Mazda 3 (various model years)
  • Mazda 3 Sport

It is intended for use in standard braking systems where solid rotors are specified and is suitable for drivers seeking a direct replacement part that meets OEM specifications.

Common Issues Addressed by DuraGo BR31365

  • Brake rotor wear leading to reduced braking efficiency
  • Warped or uneven rotors causing brake pulsation
  • Corrosion and surface damage affecting rotor lifespan
  • Noise and vibration during braking due to rotor imperfections
  • Replacement of worn or damaged rotors to restore braking performance

Installation Notes and Tips

  • Ensure the rotor thickness is above the discard thickness of 0.35 inches before installation
  • Clean the rotor surface to remove any protective coatings or debris prior to mounting
  • Torque mounting bolts to manufacturer specifications to avoid rotor warping
  • Inspect brake pads and replace if worn to ensure optimal rotor performance
  • Check for proper alignment and clearance during installation

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet industry standards for material quality and dimensional accuracy. While this product does not include a rust-resistant coating, the full cast iron construction provides reliable durability. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDuraGo
Part NumberBR31365
ABS Tone Ring IncludedNo
Center Hole Diameter2.84
Center Hole Diameter72.1
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorConventional
Cross DrilledNo
Directional or Non-Directional Brake SurfaceNon-Directional
Discard Thickness0.35
Discard Thickness9
MaterialCast Iron
Mounting Bolt Hole Circle Diameter4.5
Mounting Bolt Hole Circle Diameter114.3
Mounting Bolt Hole Diameter0.55
Mounting Bolt Hole Diameter14
Mounting Bolt Hole Quantity5
Nominal Thickness0.43
Nominal Thickness11
Outside Diameter10.43
Outside Diameter265
Overall Height1.59
Overall Height40.5
Rust Resistant CoatingNo
SlottedNo
Solid Or Vented Type RotorSolid

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mazda32.0LL4Rear
2013Mazda3 Sport2.0LL4Rear
2012Mazda32.0LL4Rear
2012Mazda3 Sport2.0LL4Rear
2011Mazda32.0LL4Rear
2010Mazda32.0LL4Rear
2010Mazda3 Sport2.0LL4Rear
2009Mazda32.0LL4Rear
2009Mazda3 SportRear
2008Mazda32.0LL4Rear
2007Mazda32.0LL4Rear
2006Mazda32.0LL4Rear
2005Mazda32.0LL4Rear
2004Mazda32.0LL4Rear

* 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:

1214506631365980285AX31365BD126386BP6Y26251CC24Y26251BP980285PRT5619

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