Car Parts Guide
BRAKE DISCS Lexus NX · PARTS GUIDE

Lexus NX Brake Discs: Specs, Fitment & Wear Symptoms

A genuinely useful piece of context worth knowing about persistent vibration: continuous brake vibration has been documented persisting for years on related models despite repeated rotor and pad replacements.

Illustration of a brake disc Illustration for editorial purposes
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OEM Part Number: 43512-48110 (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.C499.11 / Bosch 0 986 479 G63

Accuracy note: Covers the Lexus NX (2014-2021) 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.C499.11 (328 x 28 mm, vented, 5 holes, coated, minimum thickness 25 mm); Bosch 0 986 479 G63 (328 mm, vented, 5 holes); Textar 92259405 (328 mm, vented, 5 holes); Delphi BG4691C (328 mm, vented, 5 holes); Zimmermann 590.2825.20 (328 x 28 mm, vented, 5 holes, coated, ECE R90, minimum thickness 25 mm, 9 kg); febi bilstein 108464 (328 x 28 mm, vented, 5 holes, coated, minimum thickness 25 mm); Meyle 30-15 521 0130/PD (328 x 28 mm, vented, 5 holes, zinc-flake coated, minimum thickness 25 mm, sold as a pair)
Disc sizes & variantsOne front size, 328 x 28 mm vented, shared by the NX 200, 200t/300 turbo and 300h hybrid. The 281 mm solid discs listed alongside are rear discs.
Genuine (OE) numbers quoted43512-48110 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist)
Fitment notesAll NX variants of this generation use the same 328 mm vented front disc with a 25 mm minimum thickness; the Bosch, Textar and Delphi 328 mm listings do not state a fitting position but match the front size.

Lexus NX Brake Discs: The Part That Pads Depend On

On the Lexus NX, because discs and pads wear as a pair, neglecting one speeds up wear on the other — which explains why a routine pad change so often turns up discs that are further gone than expected.

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.

Lexus NX Brake Discs: Watch: Replacing It

🎬 Watch: How To Change Front Brake Pads & Rotors 2015-2017 Lexus NX200t

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First-gen NX.

Lexus NX Brake Discs reference plate

Lexus NX 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 NX typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.

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A Genuinely Useful Piece of Context Worth Knowing About Persistent Vibration — Lexus NX Brake Discs

If a vibration under braking has survived multiple rotor replacements, this is genuinely worth knowing: documented cases on related Lexus models describe continuous brake vibration persisting for years despite repeated rotor, pad, and even caliper replacements — worth knowing that repeatedly replacing the same parts isn't guaranteed to resolve the fault if the actual root cause lies elsewhere.

A genuinely useful, specific finding worth knowing: front hub runout, distinct from the rotor itself being warped, can cause this kind of persistent vibration — if a rotor is machined off the car rather than on the vehicle itself, the issue persists regardless of how many new rotors are fitted.

It's also genuinely worth knowing that if a fresh replacement disc shows the identical fault from the very start, the disc itself likely isn't the actual cause, and it's worth cleaning the mating faces between the hub, disc, and wheel thoroughly before assuming a disc is warped.

Lexus NX 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 Lexus Brake Discs

The same part, covered across other Lexus models.