Dynamic Friction 604-73032 Disc Brake Rotor - Rear

Brand	Dynamic Friction 604-73032
Position	Rear
Bolt Hole Diameter	15
Bolt Hole Quantity	5
Discard Thickness	20
Height	36
Inside Diameter	68
Nominal Thickness	22
Outside Diameter	300
Solid Or Vented Type Rotor	Vented
Product line	DFC GEOSPEC Coated Rotor
Fits	Audi · 6 vehicles

GEOSPEC coated rotor. Coating helps resist corrosion and keeps the rotor looking cleaner longer.

Vented design. Promotes airflow for more consistent braking performance.

Disc brake rotor. A direct replacement for the braking system's rotor component.

$56.22Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

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Step 2 — Quantity

Disc Brake Rotors are typically replaced in pairs, axle by axle.

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

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Rear Brake Rotor for Audi S4

The Dynamic Friction DFC GEOSPEC Coated Rotor, part number 604-73032, is a rear disc brake rotor for 2004-2009 Audi S4 applications. It is built as a vented rotor with a GEOSPEC coated finish to support corrosion resistance on the non-friction surfaces.

Key Features

Brand: Dynamic Friction
Brand line: DFC GEOSPEC Coated Rotor
Part number: 604-73032
Rear disc brake rotor for Audi S4 fitment
Vented rotor design
Outside diameter: 300 mm
Nominal thickness: 22 mm
Discard thickness: 20 mm
Height: 36 mm
Inside diameter: 68 mm
Bolt hole quantity: 5
Bolt hole diameter: 15 mm

DFC GEOSPEC Coated Rotor Details

The DFC GEOSPEC Coated Rotor line focuses on coated brake rotor construction for cleaner service appearance and added protection on exposed surfaces. For Audi S4 rear brake service, the 604-73032 rotor matches the listed dimensions and vented configuration needed for proper replacement selection. The 604-73032 is specified for 2004-2009 Audi S4 rear brake applications and should be matched to the vehicle’s existing rotor dimensions before installation.

What This Rotor Helps Address

Rear brake rotor wear from normal pad contact
Rotor surface corrosion on exposed areas
Brake pulsation related to rotor thickness loss
Noise or vibration caused by uneven rotor condition
Service replacement needs on 2004-2009 Audi S4 rear brake systems

Installation Notes and Tips

Verify rotor diameter, thickness, center bore, bolt pattern, and height against the existing part before installation. This rotor is listed for the rear position on 2004-2009 Audi S4 models, so confirm rear axle application and inspect pads, caliper condition, and hub surfaces during service. Proper cleaning of the hub face helps support even rotor seating and consistent brake performance.

Quality Assurance

Manufactured under the Dynamic Friction DFC GEOSPEC Coated Rotor product line, this rotor is built to the published dimensional specifications for the listed Audi S4 rear application. Part number 604-73032 is identified for direct-fit replacement selection based on the provided fitment data.

This part fits 6 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2009	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
2008	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
2007	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
2006	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
2005	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
2004	Audi	S4	Rear	DFC GEOSPEC Coated Rotor
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