Car Parts Guide
BRAKE DISCS Hyundai i20 · PARTS GUIDE

Hyundai i20 Brake Discs: Specs, Fitment & Wear Symptoms

On the i20, "warping" is genuinely often a widespread Hyundai/Kia design issue where pads get stuck in the caliper bracket.

Illustration of a brake disc Illustration for editorial purposes
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OEM Part Number: 517121G000 (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.D227.11 / Bosch 0 986 479 F29

Accuracy note: Covers the Hyundai i20 (2014-2020) as listed in the UK aftermarket catalogues. Front brake discs are sold by diameter and thickness, and most models have two or three disc sizes depending on engine, brake size and trim — a 278 mm disc will not fit a car built with 300 mm brakes, so the caliper carrier and the disc must match. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with diameter x thickness in mm; genuine numbers are shown only where a listing quotes one. Measure the old disc or check the brake size against your VIN before ordering, replace discs in pairs with new pads, and scrap any disc at or below its minimum thickness.
Front brake discs (aftermarket)Brembo 09.D227.11 (256 x 22 mm, vented, 4 holes, coated, high-carbon, min 20 mm); Bosch 0 986 479 F29 (256 x 22 mm, vented, 4 holes, coated, high-carbon, min 20 mm); ATE 24.0122-0293.1 (256 x 22 mm, vented, 4 holes, coated, high-carbon, min 20 mm); TRW DF6794 (256 x 22 mm, vented, 4 holes, painted black, min 20 mm); Brembo 09.C174.11 (280 x 22 mm, vented, 4 holes, coated, high-carbon, min 19.4 mm); Bosch 0 986 479 B05 (280 x 22 mm, vented, 4 holes, oiled, min 19.4 mm); ATE 24.0122-0294.1 (280 x 22 mm, vented, 4 holes, coated, high-carbon, min 19.4 mm).
Disc sizes & variants256 x 22 mm vented on the 1.2 and 1.4 petrol and 1.1 CRDi cars; 280 x 22 mm vented on the 1.0 T-GDI and 1.4 CRDi higher-output versions. Rear discs are 262 x 10 mm solid.
Genuine (OE) numbers quoted517121G000 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist)
Fitment notesBoth front sizes are 22 mm thick, so check the diameter; minimum thickness is 20 mm (256 mm) and 19.4 mm (280 mm).

A Genuinely Detailed, Real Root Cause Worth Knowing About "Warping" — Hyundai i20 Brake Discs

If you've been told your discs have "warped" and are experiencing recurring vibration, this is genuinely worth knowing: this has been documented as a widespread design issue affecting Hyundai and Kia models broadly, where the brake pads themselves can get stuck inside the caliper bracket rather than moving freely. This causes uneven contact between pad and disc, producing vibration typically blamed on a "warped" disc. A documented fix: lightly grinding down the small tabs on the back of the pad and applying appropriate brake grease allows the pad to move more freely.

A genuinely honest, real dealer dismissal worth knowing about: one documented case saw a dealer refuse to consider that faulty pads might have caused rotor damage, citing a limited brake parts warranty and declining to investigate further.

It's also worth knowing that rear discs commonly corrode more than the fronts on many cars simply because the rear brakes experience less pressure during normal driving.

Hyundai i20 Brake Discs: Watch: Replacing It

🎬 Watch: Hyundai i20 1.4L CRDi Front Brake Disc Replacement

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Generation not stated in title; p65TEkHiK08 is confirmed 2017 GB but pads only. German hN70_k8bo4A as fallback.

Hyundai i20 Brake Discs reference plate

Hyundai i20 Brake Discs: The Part That Pads Depend On

On the Hyundai i20, these two components wear together, and letting one go too long accelerates wear on the other, which is why a simple pad swap so often reveals discs that need replacing at the same time.

Before you buy: disc size and design vary by trim, engine size and whether your car has the standard or "sport" brake package. Always confirm against your VIN before ordering.

Hyundai i20 Brake Discs: What They Do

Brake discs provide the surface the brake pads clamp against to slow the car, converting momentum into heat through friction. Larger, sportier trims of the i20 typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.

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Hyundai i20 Brake Discs: Wear Symptoms, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Brake Discs Guide for warning signs to watch for, confirming fitment against your VIN, and choosing a reliable aftermarket disc.

More Hyundai Brake Discs

The same part, covered across other Hyundai models.