Honda Jazz Brake Discs: Specs, Fitment & Wear Symptoms

On the Jazz, "warping" is genuinely more commonly uneven pad material transfer, not thermal distortion.

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OEM Part Number: 45251SAAG11 (genuine front disc — confirm via VIN) — aftermarket front discs Brembo 09.9936.11 / Bosch 0 986 478 174

Accuracy note: Covers the Honda Jazz (2015-) 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 09.9936.11 (262 x 21 mm, vented, 4 holes, coated, high-carbon, min 19 mm); Bosch 0 986 478 174 (262 x 21 mm, vented, 4 holes, oiled, min 19 mm); TRW DF3021 (262 x 21 mm, vented, 4 holes, painted, high-carbon); Ferodo DDF492C (262 x 21 mm, vented, 4 holes, coated, min 19 mm); febi 108500 (262 x 21 mm, vented, 4 holes, coated, min 19 mm); Zimmermann 280.3153.52 (262 x 21 mm, vented, 4 holes, coated, drilled, min 19 mm); Brembo 09.5509.1X (262 x 21 mm, vented, 4 holes, coated, drilled, min 19.5 mm).
Disc sizes & variants	Rear discs are 239 x 9 mm solid where fitted.
Genuine (OE) numbers quoted	45251SAAG11 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist)
Fitment notes	Front minimum thickness is 19 mm; the 262 mm disc has been used on Jazz models since the first generation, so it is widely stocked.

A Genuinely Detailed, Real Technical Explanation Worth Knowing — Honda Jazz Brake Discs

If you're feeling pulsation through the brake pedal and have been told the discs have "warped," a genuinely detailed explanation from experienced technicians is worth knowing: this is much more commonly a case of Runout/Thickness Variation (RTV) — pad material transferring unevenly onto the disc surface, creating high and low spots — rather than genuine, severe thermal distortion of the disc itself.

A genuinely important, distinct symptom worth knowing about lateral runout: even brand-new discs can have some small amount of inherent wobble straight from the factory, and if excessive, this forces the caliper pistons to push back with every revolution — over time producing a genuinely spongy-feeling brake pedal, distinct from simple vibration.

A genuinely practical piece of advice worth following after fitting new discs or pads: use the brakes lightly for the first 200 miles specifically. The most common documented cause of discs appearing to "warp" shortly after replacement is genuinely heavy braking while the components are still new.

Honda Jazz Brake Discs: Watch: Replacing It

🎬 Watch: Honda Jazz \ Fit Mk3 (2015 - 2020) Brake Discs, Pads and Brake Fluid Replacement

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Mk3 discs and pads; confirm it is the front axle.

Honda Jazz Brake Discs: The Part That Pads Depend On

On the Honda Jazz, wear on one of this pair accelerates wear on the other, so a pad change booked as routine maintenance often turns up discs that have quietly deteriorated alongside them.

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.

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

Find Honda Jazz Brake Discs Here!

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Honda Jazz 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 Honda Brake Discs

The same part, covered across other Honda models.