Subaru Forester Brake Discs: Specs, Fitment & Wear Symptoms

On the Forester, a rotor "wobble" that feels like warping can genuinely be rust or dirt between the wheel hub face and the rotor on related models.

Illustration for editorial purposes

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OEM Part Number: 26300SJ010

Accuracy note: genuinely worth knowing on EyeSight-equipped models — Subaru's own documentation states that genuine Subaru brake components are needed to accurately maintain the driver assist system's operation, worth factoring in alongside cost when choosing between genuine and aftermarket discs.

2019-2021, front disc	Subaru OEM: 26300SJ010 (2019), 26300SJ000 (2021)
2014-2018, front disc	Subaru OEM: 26300AG001 (also referenced as 26300AG000)
2020-2021, rear disc	Subaru OEM: 26700SJ000
2015, rear disc	Subaru OEM: 26700SG000

Subaru Forester Brake Discs: The Part That Pads Depend On

On the Subaru Forester, 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.

Subaru Forester Brake Discs reference plate

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

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A Genuinely Specific, Real Root Cause Worth Knowing Before Assuming Warping — Subaru Forester Brake Discs

If you're getting a vibration under braking on a car with otherwise healthy rotors and pads, this is genuinely worth knowing: rust or dirt trapped specifically between the wheel hub face and the rotor itself, rather than any issue with the rotor's own thickness, can prevent the rotor from spinning truly flush, causing a genuine wobble that feels just like warping. Cleaning the mating face of both the rotor and the wheel hub thoroughly has resolved this exact issue in documented cases on related Subaru models, worth trying before assuming new rotors are needed.

A genuinely honest account worth knowing: one documented case saw new rotors fitted but the old pads reused, with vibration persisting afterward — eventually attributed to the pads never having properly bedded in with the new rotor surface, causing a kind of binding rather than a genuine ongoing rotor fault.

It's genuinely worth always replacing pads and rotors together and completing a proper bedding-in procedure, rather than reusing pads with new rotors to try to save money.

Subaru Forester 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 Subaru Brake Discs

The same part, covered across other Subaru models.