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Power Stop 15-21 Subaru WRX Front Semi-Coated Rotor Kit is a vehicle-specific PowerStop kit product identified by manufacturer part number SC4603. It belongs to the Autospecialty OE Replacement family and is intended for the front application stated below.
Key Features
- Drilled and Slotted Rotors: 11.57-inch diameter x 0.94-inch thick high carbon rotors vent heat, gases, and debris to maintain bite in wet or repeated stops.
- Z23 Carbon Fiber Ceramic Pads: Shims, slots, and chamfers reduce noise, dust, and vibration with strong initial bite and fade resistance up to high temperatures.
- Includes Hardware: Caliper pins, pad wear sensors compatible, and abutment clips for complete bolt on installation without extra parts.
- OE Replacement Sizing: 5x100mm bolt pattern, 64.2mm center bore matches Subaru WRX specs for perfect fit and balance.
- Semi Coated Geomet Finish: Protects rotor hats and non contact areas from rust while friction surfaces stay bare for pad bedding.
- High carbon content steel rotors with Geomet semi coating on hats and edges for corrosion protection, bare vanes for bedding.
Verified Fitment
PowerStop lists 8 application range(s) for this exact MPN. Match the year, make, model, brake position, rotor diameter, brake code, and trim notes before ordering.
| Year | PowerStop Application |
|---|---|
| 2006-2014 | SUBARU TRIBECA |
| 2015-2019 | SUBARU LEGACY 3.6R |
| 2015-2019 | SUBARU OUTBACK |
| 2015 | SUBARU WRX |
| 2016-2019 | SUBARU WRX w/ EyeSight Technology |
| 2016-2019 | SUBARU WRX w/o EyeSight Technology |
| 2020-2021 | SUBARU WRX w/ 2 piston front calipers & 1 piston rear calipers, w/ Eyesight |
| 2020-2021 | SUBARU WRX w/ 2 piston front calipers & 1 piston rear calipers, w/o Eyesight |
Specifications
| Brand | PowerStop |
|---|---|
| Manufacturer Part Number | SC4603 |
| Product Family | Autospecialty OE Replacement |
| Product Type | Brake Kits - Performance Blank |
| Brake Position | Front |
What's Included
The application-matched pads, rotors, hardware, and related components supplied by PowerStop for this exact kit. Confirm the manufacturer listing for the final component count.
About PowerStop
PowerStop develops vehicle-specific replacement and performance brake components, including matched brake kits, pads, rotors, calipers, drums, shoes, and hardware.
Related PowerStop Products
- Power Stop 04-06 Subaru Baja Front Autospecialty Brake Kit
- Power Stop 05-14 Subaru Impreza Front Autospecialty Brake Kit
- Power Stop 06-07 Subaru B9 Tribeca Front Autospecialty Brake Kit
Frequently Asked Questions
Will this fit my vehicle?
Confirm exact PowerStop part number SC4603 against the fitment table and your vehicle's brake options before ordering.
Is this universal?
No. SC4603 is an application-specific brake part.
Does the listing cover both axles?
Only when the product title or manufacturer listing explicitly identifies a front-and-rear package.
Installation
Professional installation is recommended. Follow the current vehicle service procedure, verify all dimensions and brake codes, torque fasteners to the vehicle manufacturer's specifications, confirm a firm pedal before moving the vehicle, and follow PowerStop's current break-in procedure where applicable.
Fitment Verification
Fitment and specifications were checked against PowerStop's exact part-number data for SC4603. Always confirm vehicle brake options before ordering.
California Proposition 65 Warning
This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm.
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