Carlson Disc Brake Caliper Piston
Carlson Disc Brake Caliper Piston

Carlson Disc Brake Caliper Piston P/N:7103

$24.99
MPN: 7103
Item Package Quantity: 1
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Carlson Disc Brake Caliper Piston P/N:7103
Carlson Disc Brake Caliper Piston P/N:7103
$24.99

Keep hydraulic pressure moving to the brake pads with the Carlson Disc Brake Caliper Piston 7103, the component that sits inside the front disc brake caliper and pushes the pad against the rotor when you apply the brakes. It installs as a direct-fit front replacement for a broad list of Infiniti and Nissan models, including the 2008-2012 Infiniti EX35, 2006-2012 FX35, 2011-2012 G25, 2009-2013 G37, 2002-2006 Q45, 2014-2019 Q70, 2006-2009 Nissan 350Z, 2009-2020 370Z, 2011-2022 Murano, and 2008-2020 Pathfinder — see the Buyer's Guide tab for the full list of 27 applications.

  • Front brake caliper piston: seats in the front caliper bore and transfers hydraulic pressure from the brake fluid to the brake pad.
  • Direct-fit replacement: supplies the piston for the listed Infiniti and Nissan applications.
  • Application-specific quantity: most listed vehicles use 4 per vehicle, while the 2011-2022 Nissan Murano and 2022-2023 Pathfinder use 2 — confirm how many your vehicle requires.

When a piston corrodes, seizes in its bore, or leaks past its seal, it can cause uneven pad wear, brake drag, or a pull to one side; if a faulty piston is the cause, this replaces it. Diagnose the cause before replacing. Manufacturer part number 7103.

Frequently Asked Questions

What does the Carlson 7103 caliper piston do?

It sits in the front brake caliper and transfers hydraulic pressure from the brake fluid to push the brake pad against the rotor when you apply the brakes.

Which vehicles does it fit?

It's a direct-fit front piston for many Infiniti and Nissan models, including the EX35, FX35, G37, Q45, Q70, 350Z, 370Z, Murano and Pathfinder — see the Buyer's Guide tab for all 27 applications.

How many do I need?

Quantity varies by application — most listed vehicles use 4, while the 2011-2022 Murano and 2022-2023 Pathfinder use 2. Confirm the count for your specific vehicle.

What are signs a caliper piston may need replacing?

A corroded, seized, or leaking piston can cause uneven pad wear, brake drag, or a pull to one side. Diagnose the underlying cause before replacing.

Is this a front or rear piston?

The catalog lists this as a front disc brake caliper piston for the covered applications.

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