Turn hydraulic pressure into clamping force at the rear brakes with the Carlson Disc Brake Caliper Piston, manufacturer part number 7020. Seated in the rear caliper bore, the piston is driven outward by brake fluid pressure to press the brake pad against the rotor each time you apply the brakes. It installs as a direct-fit replacement for the listed applications, including the 2012-2022 Hyundai Accent, 2011-2020 Hyundai Elantra, 2017-2020 Hyundai Ioniq, 2011-2016 Kia Optima and 2020-2022 Kia Soul [All] — see the Buyer's Guide tab for the full list.
Signs the caliper piston may need replacing include a sticking or dragging brake, uneven pad wear, or brake fluid seepage at the caliper. Because these symptoms can have other causes, have the brake system diagnosed to confirm the failure before replacing. If a worn or seized piston is the cause, this unit replaces it. Manufacturer part number 7020.
What does this caliper piston do?
It sits in the rear caliper bore and is driven outward by brake fluid pressure, pressing the brake pad against the rotor when you apply the brakes.
Which vehicles does the 7020 piston fit?
It's cataloged for the listed applications, including the Hyundai Accent, Azera, Elantra, Ioniq and Venue, plus the Kia Niro, Optima, Rio and Soul. See the Buyer's Guide tab for exact years.
Is this a front or rear piston?
The catalog lists this piston for the rear brake calipers on the covered vehicles.
How many do I need?
Each listed application uses 2. The piston is sold individually, so order 2 for a complete rear-axle replacement.
What are signs my caliper piston may need replacing?
Watch for a sticking or dragging brake, uneven pad wear, or fluid seepage at the caliper. Have the brakes diagnosed to confirm the cause before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
