Vauxhall Astra Brake Discs: Specs, Fitment & Wear Symptoms

Why discs and pads usually get replaced together, and what actually fits your specific braking package.

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OEM Part Number: 13586854

Accuracy note: genuine Vauxhall part numbers sourced from a UK Vauxhall parts specialist — Astra has used multiple disc sizes across the J and K generations depending on engine and RPO code, so always confirm your exact spec before ordering.

Astra J, front discs (321mm, shared with Zafira C, Cascada)	Vauxhall OEM: 13586854, 13502826, or 95527034
Astra K, front discs (276mm, RPO J67)	Vauxhall OEM: 13597460, 95526569, or 13515906
Astra K, front discs (300mm, shared with Mokka X, RPO J60/J79)	Vauxhall OEM: 13502059 or 13515909
VXR models, front discs	321mm diameter, vented, 28mm thickness, 25mm minimum — a genuinely larger specification than standard trims

Vauxhall Astra Brake Discs: The Part That Pads Depend On

On the Vauxhall Astra, 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.

Vauxhall Astra Brake Discs reference plate

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.

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

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Vauxhall Astra 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 Vauxhall Brake Discs

The same part, covered across other Vauxhall models.