DuraGo

DuraGo BR34173 Disc Brake Rotor - Front

Brand DuraGo BR34173
Position Front
ABS Tone Ring Included No
Center Hole Diameter 3.11
Center Hole Diameter 79
Construction Full Cast
Conventional Or Drum-In-Hat Type Rotor Conventional
Cross Drilled No
Directional or Non-Directional Brake Surface Non-Directional
Discard Thickness 0.8
Discard Thickness 20.4
Material Cast Iron
Mounting Bolt Hole Circle Diameter 4.72
Mounting Bolt Hole Circle Diameter 120
Mounting Bolt Hole Diameter 0.58
Mounting Bolt Hole Diameter 14.7
Mounting Bolt Hole Quantity 5
Nominal Thickness 0.87
Nominal Thickness 22
Outside Diameter 11.81
Outside Diameter 300
Overall Height 2.03
Overall Height 51.5
Rust Resistant Coating No
Slotted No
Solid Or Vented Type Rotor Vented
Fits BMW · 28 vehicles

Vented design. Helps promote airflow for more consistent braking performance.

Full cast construction. Cast iron rotor built for dependable strength and durability.

Professional-grade quality. Manufactured in ISO-certified factories to meet fit, form, and function requirements.

Cross-references Dorman - HELP 34173, Parts Authority PRT5469 and Raybestos Brakes 980011 for the same application. See all 10.

$49.63Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $49.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

DuraGo BR34173 Front Brake Rotor

The DuraGo BR34173 is a front disc brake rotor built for BMW applications that call for a 300 mm vented, full cast rotor. It is engineered from cast iron and manufactured in ISO certified factories to support fit, form, and function requirements for the listed vehicles.

Key Features

  • Part number BR34173
  • Cast iron, full cast construction
  • Vented rotor design for front brake use
  • Outside diameter: 11.81 in. / 300 mm
  • Nominal thickness: 0.87 in. / 22 mm
  • Discard thickness: 0.8 in. / 20.4 mm
  • Center hole diameter: 3.11 in. / 79 mm
  • 5-bolt mounting pattern with 120 mm bolt circle
  • Non-directional brake surface
  • No cross drilling, no slots, no ABS tone ring

Detailed Description

DuraGo BR34173 is a conventional front brake rotor for BMW 323i, 328i, 328Ci, 325i, 325Ci, 325xi, Z3, and Z4 applications listed below. The rotor uses a vented, non-directional braking surface and full cast iron construction to match the dimensional requirements of the original brake setup. This part cross-references Raybestos Brakes 980011 for the same application.

Fits 2003-2008 BMW Z4, front. Fits 2001-2006 BMW 325Ci, front. Fits 2001-2005 BMW 325i, front. Fits 2001-2005 BMW 325xi, front. Fits 2001-2002 BMW Z3, front. Fits 2000 BMW 323i, front. Fits 2000 BMW 328Ci, front. Fits 1999-2000 BMW 328i, front.

Common Brake Issues This Rotor Addresses

  • Front brake pulsation from rotor wear or thickness variation
  • Brake noise caused by uneven rotor surface condition
  • Reduced braking consistency from a worn or heat-cycled rotor
  • Service replacement for rotors at or near discard thickness
  • Restoration of proper front brake contact surface on BMW models

Installation Notes and Tips

Verify rotor diameter, center bore, bolt circle, and thickness before installation. Clean the hub mounting surface thoroughly to help prevent runout concerns, and inspect pads and caliper components at the same time. This rotor is a front application for the listed BMW models and should be matched to the vehicle’s brake specification before service.

Quality Assurance

DuraGo has over 45 years of aftermarket manufacturing experience, and its brake drum and rotor program is built for professional cataloging and application coverage. BR34173 is produced by ISO certified factories to meet fit, form, and function requirements for the specified BMW front brake applications.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2008BMWZ4Roadster 3.0iFront
2007BMWZ4Roadster 3.0iFront
2006BMW325CiFront
2006BMWZ4Roadster 3.0iFront
2005BMW325CiFront
2005BMW325iFront
2005BMW325xiFront
2005BMWZ43.0iFront
2004BMW325CiFront
2004BMW325iFront
2004BMW325xiFront
2004BMWZ43.0iFront
2003BMW325CiFront
2003BMW325iFront
2003BMW325xiFront
2003BMWZ43.0iFront
2002BMW325CiFront
2002BMW325iFront
2002BMW325xiFront
2002BMWZ33.0LL6Front
2001BMW325CiFront
2001BMW325iFront
2001BMW325xiFront
2001BMWZ33.0LL6Front
2000BMW323iWagonFront
2000BMW328CiFront
2000BMW328iFront
1999BMW328iFront
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 34173Parts Authority — PRT5469Raybestos Brakes — 9800111262331213404834111164539AX34173BD126233BD180023P980011