Renault Kadjar Brake Discs: Specs, Fitment & Wear Symptoms

On the Kadjar, a genuine, specific disc fault called "lipping" comes with a real cost figure — plus a distinctive corroded fuse link that causes a total no-start "BRAKE FAULT".

Illustration for editorial purposes

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OEM Part Number: 402066624R

Accuracy note: genuine Renault part numbers, sourced directly from a UK Renault parts specialist — dimensions are fairly consistent across the range.

Front discs, genuine reference (sold as a pair)	Renault OEM: 402066624R — 295-296mm diameter, vented, 26mm thickness, 24mm minimum
Rear discs, genuine reference (sold as a pair)	Renault OEM: 432068231R — 289-290mm diameter, solid, 13mm thickness, 11mm minimum

A Genuine, Specific Fault Worth Knowing: Disc "Lipping" — Renault Kadjar Brake Discs

If a service or MOT flags "lipping" on your discs, this is worth understanding rather than assuming it's the same as warping or corrosion: lipping refers to a raised ridge forming around the outer edge of the disc where the pad's contact area doesn't quite reach, gradually building up over normal wear. A genuine dealer quote for exactly this fault has been documented at £320 for discs and pads together — a real cost benchmark worth having when comparing quotes elsewhere.

A genuine, distinctive fault worth knowing about if you get a "BRAKE FAULT" message with a complete no-start: one documented case traced this exact combination to a corroded fuse link — a specific link fixed directly to the positive battery terminal inside a red plastic housing, distinct from the ordinary fuses in the fuse box. If you're getting a brake fault message alongside a no-start, this specific connection is worth checking before assuming a more complex ABS or brake system fault.

It's also worth knowing that parking a freshly washed car away, especially in an enclosed garage while still wet, is a well-documented cause of the rear brakes binding — moisture between the pad and disc surfaces, combined with the handbrake holding them together, can cause exactly this. Leaving the handbrake off (using a brick or leaving it in gear instead) until everything's had a chance to dry is worth doing.

Renault Kadjar Brake Discs reference plate

Renault Kadjar Brake Discs: The Part That Pads Depend On

On the Renault Kadjar, 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.

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.

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

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Renault Kadjar 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 Renault Brake Discs

The same part, covered across other Renault models.