Hyundai i30 Brake Discs: Specs, Fitment & Wear Symptoms
On the i30, "warping" is genuinely often a widespread Hyundai/Kia design issue where pads get stuck in the caliper bracket.
Illustration for editorial purposes
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OEM Part Number: 51712-S0100 (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.C249.11 / Bosch 0 986 479 E42
| Front brake discs (aftermarket) | Brembo 09.C249.11 (280 x 23 mm, vented, 5 holes, coated, high-carbon, min 21.4 mm); ATE 24.0123-0123.1 (280 x 23.1 mm, vented, 5 holes, coated, high-carbon, min 21 mm); TRW DF8056 (280 x 23 mm, vented, 5 holes); Brembo 09.D428.11 (305 x 25 mm, vented, 5 holes, coated, high-carbon, min 23.4 mm); Bosch 0 986 479 E42 (305 x 25 mm, vented, 5 holes, coated, high-carbon, min 23.4 mm); ATE 24.0125-0213.1 (305 x 25 mm, vented, 5 holes, coated, high-carbon, min 23.4 mm); Brembo 09.D626.11 (345 x 30 mm, vented, 5 holes, coated, high-carbon, min 28 mm). |
|---|---|
| Disc sizes & variants | 280 x 23 mm vented on the 1.0 T-GDI and lower-output cars; 305 x 25 mm vented on the 1.4 T-GDI, 1.6 CRDi and most UK cars; 345 x 30 mm vented on the i30 N. A 288 x 25 mm disc is also listed. Rear discs are 262 or 284 mm solid, 314 mm vented on the N. |
| Genuine (OE) numbers quoted | 51712-S0100 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist) |
| Fitment notes | Minimum thickness is 21.4 mm (280 mm), 23.4 mm (305 mm) and 28 mm (345 mm); all use the 5-stud 114.3 mm pattern with a 69 mm centre bore. |
A Genuinely Detailed, Real Root Cause Worth Knowing About "Warping" — Hyundai i30 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.
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 i30 Brake Discs: Watch: Replacing It
generation and disc content not stated in title; no confirmed PD disc video found
Hyundai i30 Brake Discs: The Part That Pads Depend On
On the Hyundai i30, discs and pads work as a pair, and neglecting one tends to accelerate wear on the other — which is exactly why worn discs so often get discovered during what was meant to be a routine pad change.
Hyundai i30 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 i30 typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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Hyundai i30 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.