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

OEM Part Number: 402061HA0A

Accuracy note: Micra has used several disc sizes across its long generation history (K10 through K14) — always confirm your exact generation and engine before ordering.

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.

A genuinely honest, real consumer point worth knowing: Nissan customer care has, in documented cases, acknowledged receiving "a few calls" about discs warping or corroding prematurely at low mileage, while still declining warranty coverage in most individual cases, citing normal wear and tear.

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 reference plate

The Part That Pads Depend On

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.

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.

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.

Nissan Micra Brake Discs: Specs, Fitment & Wear Symptoms

OEM Part Number: 402061HA0A

A Genuinely Useful Distinction Worth Knowing: Normal Surface Rust vs Genuine Corrosion — Nissan Micra Brake Discs

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