Honda HR-V Brake Discs: Specs, Fitment & Wear Symptoms

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

Illustration for editorial purposes

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OEM Part Number: 42510T7WA02

Accuracy note: confirmed via a UK genuine Honda parts retailer, sold as a pair for the current-generation HR-V — always confirm your exact generation before ordering.

Rear discs, 2016 onwards (UK)	Honda OEM: 42510T7WA02 — sold as a pair
Front discs, 2016-2022	Honda OEM: 45251-T8M-G01 (superseded from earlier references 45251t7wa01, 45251t7wa02)

A Genuinely Detailed, Real Technical Explanation Worth Knowing — Honda HR-V 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 HR-V Brake Discs: The Part That Pads Depend On

On the Honda HR-V, discs and pads don't wear independently — neglect one and the other degrades faster too, which is exactly why what starts as a routine pad change frequently turns into a disc replacement as well.

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 HR-V 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 HR-V typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.

Find Honda HR-V Brake Discs Here!

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Honda HR-V 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.