EBC GD1838 Turbo Groove Front Brake Discs/Rotors (Pair) - Slotted, Dimpled, Grooved Vented, Black Coated - Audi A4 A5 A6 A7 Q5 B8/C7 with TRW Calipers - Performance Fast Road Upgrade, Direct Fit OE Replacement

EBC GD1838 Grooved and Dimpled Front Rotors for Audi B8 and C7 with TRW Front Calipers

Want stronger, more confident stopping on fast road drives without sacrificing day-to-day usability? Upgrade to EBC’s machined-groove, dimpled front rotors and enjoy cooler running, cleaner pad contact and a sharper pedal. Built for Audi B8 and C7 platform vehicles using TRW front brake hardware, this direct replacement pair gives dependable braking performance and a premium anti-corrosion finish that looks smart behind OEM or aftermarket wheels.

Part number: GD1838  |  Axle: Front  |  Supplied: Pair of discs

What makes GD1838 a great upgrade

• Machined grooves help sweep away debris and gases for consistent bite under repeated stops and spirited road use.
• Dimpled faces aid pad de-gassing while avoiding the cracking risks often associated with fully drilled patterns.
• Durable black anti-rust coating resists corrosion and keeps the hubs and vanes looking tidy over time.
• Refined slot layout helps reduce wind noise compared with aggressive race-style patterns while retaining cooling benefits.
• Even pad contact across the face promotes flatter wear and a reassuring, consistent pedal through the life of the pad and disc.

We fit these rotors on customer builds and the feedback is exactly what enthusiasts want: crisper initial response, stable braking at motorway speeds and reliable performance on fast-road setups. Our team and customers rate them highly for everyday use with weekend spirited driving.

Compatibility

Important: For vehicles with TRW front calipers only. Please confirm your front caliper type before ordering.

• Audi A4 B8 with TRW front calipers, including A4, A4 quattro, A4 allroad
• Audi A5 B8 with TRW front calipers, including Coupe, Cabriolet and quattro variants
• Audi A6 C7 with TRW front calipers, including saloon, Avant and quattro
• Audi A7 C7 with TRW front calipers, including quattro models
• Audi Q5 B8 with TRW front calipers

Typical engines where TRW calipers are factory-fitted include 1.8 T, 2.0 T, 2.0 TDI, 3.0 TDI, 2.8, 3.2 and 3.0 supercharged. If unsure, contact us and we will check compatibility before you buy.

Why enthusiasts choose these for fast-road use

• Fade resistance during repeated braking thanks to improved cooling air flow across the pad-to-disc interface.
• Strong bite and predictable modulation for confident control on B-roads and motorway commutes.
• Direct-fit replacement that works with quality road-performance pads for an OEM-plus driving feel.

Warranty

EBC Brakes warranty: 1 year or 10,000 miles, whichever occurs first.

Professional fitting

Want them installed by specialists? MJ Modifications offers expert fitting in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Bedding-in and useful notes

• Follow a proper bed-in procedure to achieve best bite and longevity.
• Some wind noise can be heard with grooved patterns under heavy braking. If you prefer a quieter feel, consider a fine-slot or plain-face alternative.
• Pair with suitable performance road pads for your driving style to maximise results.

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