Nissan Micra Brake Discs: Specs, Fitment & Wear Symptoms
On the Micra, a genuinely useful distinction separates normal surface rust from genuinely excessive corrosion.
Illustration for editorial purposes
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OEM Part Number: 402061HA0A
| K13 generation (2010 onwards), front disc, genuine reference | Nissan OEM: 402061HA0A — 260mm diameter, vented, 22mm thickness, 20mm minimum |
|---|---|
| K12 generation (2003-2011), front discs | 260mm diameter, vented, 22mm thickness, 19.8mm minimum |
| K11 generation (1993-2003), front discs | 234mm or 260mm diameter, solid or vented depending on engine — genuine OEM cross-reference: 40 20 6 5F0 01, 40 20 6 5F0 03 |
| K11 generation, rear discs | 240mm diameter, solid, 7mm thickness, 6mm minimum |
A Genuinely Useful Distinction Worth Knowing: Normal Surface Rust vs Genuine Corrosion — Nissan Micra Brake Discs
Seeing light rust on discs, particularly on a car that's sat unused for a few days, is genuinely normal and nothing to worry about — one or two braking cycles typically clears surface rust from the contact area. However, genuinely excessive corrosion — rust extending noticeably inside the alloy wheels themselves, or discs looking like the car has been left standing in a wet field for weeks — is a different matter entirely and worth raising with a dealer, particularly on a young car with low mileage.
It's also worth understanding a genuinely real, broader industry context: since asbestos was phased out of brake pad friction material, harder pad compounds have become standard, and discs are now more deliberately treated as the more sacrificial, wear-prone component of the pairing.
Nissan Micra Brake Discs: The Part That Pads Depend On
On the Nissan Micra, 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.
Nissan Micra 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 Micra typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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Nissan Micra 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 Nissan Brake Discs
The same part, covered across other Nissan models.