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SKU: GD1421 | UPC: 840655067115
EBC 04-08 Audi S4 4.2 GD Sport Front Rotors - GD1421 3GD Series
EBC Brakes GD1421 3GD Series Sport Slotted Rotors deliver enhanced braking for 2004-2008 Audi S4 4.2L models including Base Avant and Cabriolet. These front rotors feature wide slots that clear debris and promote cooling to fight fade during hard driving or towing. Crafted from OE-spec grey cast iron in EBCs UK foundry they ensure reliable performance and direct bolt-on fit.
Key Features
- Wide Slots: Channel away dirt dust gases and debris from the braking surface while allowing brakes to run cooler under load and at high speeds
- Brake Fade Resistance: Proven design reduces fade with support from EBCs 8 dynamometer systems and 60-year brake expertise for consistent stopping power
- OE-Spec Construction: Made from high-quality grey cast iron matching new car production standards many produced in EBCs British foundry with rigorous testing for runout hardness and strength
- Anodized Gold Finish: Protects against corrosion ideal for import vehicles like Audi with enhanced durability in harsh conditions
- Precision Specifications: 345mm diameter 30mm thick 46mm height 68mm center bore 5 bolt holes vented design pairs with FMSI D1111 pads for complete system match
Product Notes
- Pair of front rotors sold as complete set for both sides
- Bed-in new rotors and pads following EBC guidelines for optimal performance
- Securely packaged dimensions approximately 20 x 20 x 6 inches weight 55 lbs
Installation Notes
- Professional installation recommended.
- Torque lug nuts and caliper bolts to Audi factory specifications
- Compatible with factory hardware no modifications required direct replacement
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Audi | S4 | Base |
| 2004-2008 | Audi | S4 | Avant |
| 2004-2008 | Audi | S4 | Cabriolet |
Why Choose EBC Brakes?
- Trusted for 60 years with global range covering all vehicles
- British-made quality from in-house foundry and full testing
- Backed by massive R&.D including dynamometers for real-world braking
Frequently Asked Questions
-
Q: Will GD1421 fit my 2005 Audi S4 4.2L?
A: Yes fits all 2004-2008 Audi S4 4.2L Base Avant and Cabriolet models with 345mm front rotors 5x112 bolt pattern -
Q: What material and finish do these rotors have?
A: OE-spec grey cast iron fully tested for strength and ductility with gold anodized finish for corrosion protection on imports -
Q: What warranty covers these rotors?
A: EBC provides 12-month warranty against manufacturing defects when installed and used correctly
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: EBC branded box 20 x 20 x 6 inches protective foam inserts
- Weight: 55 lbs
Brake Rotors
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EBC Brakes is a leading manufacturer of performance brake pads and rotors for cars, motorcycles, bicycles, and ATVs. With a dedicated engineering team, EBC produces compound-specific brake pads matched to different driving applications, from daily commuting to track use. Popular Upgrades Top-selling EBC products include Greenstuff and Redstuff brake pad sets for daily drivers and street performance vehicles, USR slotted sport rotors for improved stopping bite, and full brake kits that pair pads and rotors for consistent performance out of the box. What EBC brake pad compound should I choose? EBC offers multiple compounds for different driving styles. Greenstuff pads are designed for light daily driving with low dust. Redstuff ceramic pads suit performance street use. Yellowstuff pads are engineered for aggressive street and track driving. Bluestuff pads are track-focused and require proper warm-up. Do EBC rotors come slotted or drilled? EBC offers a range of rotor configurations inc...
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