Subaru Impreza Brake Discs: Specs, Fitment & Wear Symptoms
On the Impreza, 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: 26300AE071 (genuine front disc — confirm via VIN) — aftermarket front discs Zimmermann 530.2470.20 / Ridex 82B3095
| Front brake discs (aftermarket) | Zimmermann 530.2470.20 (293 x 24 mm, vented, 5 holes, coated, high-carbon, min 22 mm, ECE R90); Zimmermann 530.2470.52 (293 x 24 mm, vented, drilled, 5 holes, coated, high-carbon, min 22 mm); Ridex 82B3095 (293 x 24 mm, vented, 5 holes, uncoated); febi 1004422 (277 x 24 mm, vented, 5 holes, coated, min 22 mm); SWAG 33 11 4739 (277 x 24 mm, vented, 5 holes, coated, min 22 mm). |
|---|---|
| Disc sizes & variants | 293 x 24 mm and 277 x 24 mm are the two front sizes listed; Both are 5-stud, 100 mm PCD, 58 mm centre bore. |
| Genuine (OE) numbers quoted | 26300AE071 (genuine front disc number for this model — confirm via VIN, as several disc sizes exist) |
| Fitment notes | Minimum thickness 22 mm on both sizes. |
Subaru Impreza Brake Discs: The Part That Pads Depend On
On the Subaru Impreza, 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.
Subaru Impreza Brake Discs: Watch: Replacing It
5th gen (2017-2023). Alt uRam_3wKmBY (Impreza pads and rotor, basic tools).
Subaru Impreza 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 Impreza 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 Impreza 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.
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 Impreza 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.