Keep the brake-wear warning circuit working on your Porsche with the Standard Ignition Disc Brake Pad Wear Sensor PWS346. This sensor mounts at the brake caliper and signals the dashboard brake-wear warning when the pad friction material wears down to the sensor — if a worn or damaged sensor is why your brake-wear light is on, this replaces it. It drops in as a direct-fit replacement for the 2013-2016 Porsche Boxster, 2014-2016 Cayman, and 2017-2024 718 Boxster and 718 Cayman.
- Protective sleeve: helps prevent wire chafing and short circuiting.
- Glass-reinforced plastic resin: resists extreme temperatures and environmental conditions.
- Included grommets and wire clips: allow proper mounting and routing within the car chassis.
- OE-matching connectors and terminals: designed for a water-tight connection to the wire harness.
It uses an oval female connector (1) with two male alligator terminals on a 9 in (228.6 mm) harness. The listed applications use two sensors, so order two for a complete replacement; the minimum order quantity is one. Country of origin: Poland.
Manufacturer part number PWS346.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the PWS346 wear sensor do?
It mounts at the brake caliper and triggers the dashboard brake-wear warning when the pad friction material wears down to the sensor, prompting a brake inspection.
Which vehicles does it fit?
It's a direct-fit replacement for the 2013-2016 Porsche Boxster, 2014-2016 Cayman, and 2017-2024 718 Boxster and 718 Cayman. See the Buyer's Guide tab to confirm your vehicle.
How many sensors do I need?
The listed Porsche applications use two sensors, so order two for a complete replacement. The minimum order quantity is one.
What is it made of and how does it connect?
It uses glass-reinforced plastic resin that resists extreme temperatures, plus a protective sleeve, and has an oval female connector with two male alligator terminals on a 9 in (228.6 mm) harness.
My brake-wear light is on — will this fix it?
Diagnose the cause first. If a worn or damaged wear sensor is the reason, this replaces it; the pads themselves should also be inspected and replaced as needed.
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