Standard Ignition PWS359 Disc Brake Pad Wear Sensor - Rear

Rear Brake Pad Wear Sensor for Lexus F Models

Standard Ignition PWS359 is a rear disc brake pad wear sensor for select Lexus performance sedans and coupes. It monitors brake pad wear at the brake caliper and supports timely service when the pad material reaches its wear limit.

• Brake pad wear sensor function for rear brake systems
• Mounts at the brake caliper
• Female connector with rectangular shape
• Male terminal design with alligator terminal type
• Direct-fit application for select Lexus RC F and GS F rear positions

Fitment Details

• Fits 2015-2022 Lexus RC F, rear.
• Fits 2016-2020 Lexus GS F, rear.

How This Sensor Works

This disc brake pad wear sensor is built for rear brake monitoring on Lexus RC F and Lexus GS F applications. Standard Ignition PWS359 uses a rectangular female connector, two male alligator terminals, and caliper-mounted placement to match the original sensor interface on the vehicle. If you are searching for a rear brake pad wear sensor for 2015-2022 Lexus RC F or 2016-2020 Lexus GS F, PWS359 is the direct replacement to compare against the OE part.

This part cross-references 4777024020 and WS584 for the same application.

Common Issues It Can Address

• Brake pad wear warning light stays on after pad service
• Brake pad wear indicator circuit fault at the rear caliper
• Damaged or broken wear sensor connector
• Incorrect brake pad wear signal from a worn sensor
• Need for a rear brake pad wear sensor replacement on Lexus F models

Installation Notes and Tips

Verify rear caliper connector style, terminal layout, and sensor routing before installation. Inspect the brake pad wear circuit for abrasion, corrosion, or heat damage while servicing the rear brakes on Lexus RC F and GS F models. Confirm the sensor seats correctly at the brake caliper and that the connector locks fully into place.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical and sensor components, and PWS359 is built to match the specified connector and terminal configuration for the listed rear applications.