Volkswagen Passat Brake Discs: Specs, Fitment & Wear Symptoms

On the Passat, VW's own OEM discs have a documented reputation for corroding faster than quality aftermarket alternatives — genuinely worse still on GTE/hybrid models given reduced brake use.

Illustration for editorial purposes

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OEM Part Number: 8E0615301C (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.9772.11 / Bosch 0 986 479 C90

Accuracy note: Covers the Volkswagen Passat (B8 2014-) 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 09.9772.11 (312 x 25 mm, vented, 5 holes, coated, high-carbon, min 22 mm); Bosch 0 986 479 C90 (340 x 30 mm, vented, 5 holes, coated, high-carbon, min 27 mm, ECE-R90); ATE 24.0125-0158.1 (312 x 25 mm, vented, 5 holes, coated, high-carbon, min 22.0 mm); ATE 24.0130-0225.1 (340 x 30 mm, vented, 5 holes, coated, high-carbon, min 27.0 mm); TRW DF4464S (312 x 25 mm, vented, 9 holes, painted black, min 22 mm); Ferodo DDF1305C (312 x 25 mm, vented, 5 holes, coated, Premier Coat+, min 23 mm); Zimmermann 100.3300.52 (312 x 25 mm, vented, drilled, 5 holes, coated, high-carbon, min 22 mm); Brembo 09.C306.1X (340 x 30 mm, vented, drilled, 9 holes, coated, high-carbon, min 27.8 mm)
Disc sizes & variants	Two front sizes are listed, 312 x 25 mm and 340 x 30 mm, both vented on the 112 mm five-stud pattern. The 312 mm disc is the standard fitment across the petrol, diesel and hybrid range; the 340 mm disc is the larger fitment for higher-output and heavier variants.
Genuine (OE) numbers quoted	8E0615301C (genuine front disc number for this model — confirm via VIN, as several disc sizes exist)
Fitment notes	Minimum thickness is 22 mm for the 312 mm disc (23 mm quoted for the Ferodo) and 27 mm for the 340 mm disc. Slotted (Brembo 09.9772.75) and drilled (Brembo 09.9772.1X, Zimmermann 100.3300.52) 312 mm upgrades are available.

Confirmed: A Genuinely Widespread, Well-Documented VW Corrosion Pattern — Volkswagen Passat Brake Discs

Across VAG owner forums, one theme repeats with remarkable consistency: VW's own-brand OEM brake discs have a documented reputation for corroding and pitting considerably faster than quality aftermarket alternatives, particularly on the rear axle. Multiple owners who've switched to reputable aftermarket brands (Pagid and Napa Proformer both specifically mentioned) report the corrosion problem disappearing entirely after fitting, suggesting this is genuinely more about VW's chosen disc material and coating than an inevitable characteristic of the car itself.

A genuine reason rear discs corrode faster, worth understanding: rear brakes generally do less work than the fronts, and cars fitted with adaptive cruise control (which can apply light rear-biased braking automatically) or a hybrid/plug-in hybrid drivetrain (where regenerative braking reduces how often the friction brakes are used at all) make this worse still. A genuinely useful trick some owners use: deliberately braking a little harder than usual for a week or two, including using speed bumps as an opportunity, can clean up light surface corrosion before it becomes a genuine problem.

It's worth knowing dealers frequently treat corrosion-related disc replacement as chargeable "wear and tear" excluded from warranty or maintenance plans, even on cars just a couple of years old with low mileage — but this isn't always the final word. Real cases exist of owners successfully obtaining a refund after VW head office intervened following a formal written complaint, when a local dealer initially refused to honour a maintenance plan covering brake repairs. If you believe corrosion this early genuinely reflects a material issue rather than ordinary wear, escalating in writing to VW customer services is a genuinely worthwhile step before accepting the dealer's first answer.

Volkswagen Passat Brake Discs: Watch: Replacing It

🎬 Watch: how to change front brake discs and pads passat b8

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Volkswagen Passat Brake Discs reference plate

Volkswagen Passat Brake Discs: The Part That Pads Depend On

On the Volkswagen Passat, these two components wear together, and letting one go too long accelerates wear on the other, which is why a simple pad swap so often reveals discs that need replacing at the same time.

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.

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

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Volkswagen Passat 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 Volkswagen Brake Discs

The same part, covered across other Volkswagen models.