Hyundai Kona Brake Discs: Specs, Fitment & Wear Symptoms
On the Kona, "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: 51712-3X000
| Front disc reference (2020 onwards, non-N models with 16" wheels) | Hyundai OEM: 51712-3X000 |
|---|---|
| 15" wheels, FWD, front discs | 280mm diameter, vented, 23mm thickness |
| 16" wheels, front discs | 305mm diameter, vented, 25mm thickness |
| 17" wheels, front discs | 320mm diameter, vented, 28mm thickness — a genuinely larger specification than 15" or 16" wheel cars |
| Rear discs, FWD vs AWD | 262mm (FWD) or 284mm (AWD) diameter, solid, 10mm thickness |
A Genuinely Detailed, Real Root Cause Worth Knowing About "Warping" — Hyundai Kona 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 Kona Brake Discs: The Part That Pads Depend On
On the Hyundai Kona, it's a paired system: let either one wear too far and the other suffers for it, which is why so many "just a pad change" jobs end up including discs once a mechanic actually looks.
Hyundai Kona 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 Kona typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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Hyundai Kona 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.