GM GENUINE PARTS Rear Disc Brake Pad Wear Sensor 84688287 — Rear fit, OE replacement, direct plug-in

The GM Genuine Parts 84688287 rear disc brake pad wear sensor detects when brake pad linings have worn to replacement level and restores the vehicle's original wear-alert function.

Modern GM vehicles rely on pad wear sensors to warn drivers before brake performance is compromised. The 84688287 sensor is manufactured to GM Original Equipment specifications to match the fit, function, and expected service life of the factory-installed component. Designed as a GM-recommended replacement, it offers the same mounting points, connector style, and electrical characteristics your vehicle expects.

How does this sensor alert me to worn brake pads?

The sensor completes or breaks an electrical circuit when pad material wears down to a preset level, triggering a dashboard warning light or message. This early-warning arrangement helps you schedule pad replacement before metal contact occurs.

• Electrical design matches original GM circuitry for reliable alerts.
• Engineered to activate at the same wear threshold as the factory sensor.
• Direct plug-in connector to avoid splicing or adapter use.

Will it fit my GM vehicle and install without modifications?

Yes — the 84688287 is built to GM OE fitment standards, so it installs in the same location and uses the same fasteners and connector types as the original part. This reduces installation time and helps maintain proper sensor alignment and function.

• Manufactured to GM original-equipment specifications for precise fit.
• No custom wiring or bracket changes needed when matched to correct vehicle application.
• Compatible with vehicles that list 84688287 as the factory replacement sensor.

What are the performance and durability advantages of choosing GM Genuine Parts?

GM Genuine Parts are produced under the same standards as the parts installed at the factory, which means consistent material selection and quality control. That consistency helps ensure expected service life and dependable alerting compared with generic aftermarket alternatives.

• Quality control and testing to GM standards for reliable operation.
• Materials selected to endure the same road and environmental conditions as the original sensor.
• Backed by GM’s fit and functional specifications — recommended by the manufacturer.

How should I maintain or replace the wear sensor?

Inspect the sensor and wiring during brake pad service and replace it if the connector, wiring, or sensor tip shows damage or corrosion. Replace the sensor any time pads are changed if the vehicle manufacturer recommends it or if the old sensor has reached its wear point.

• Check wiring and connector for corrosion when replacing pads.
• Follow OEM torque and routing guidelines to avoid chafing or damage.
• Replace with the GM Genuine Parts 84688287 for consistent alert function.

Who is this for: The GM Genuine Parts 84688287 rear disc brake pad wear sensor is intended for owners and technicians servicing GM vehicles that require this specific sensor part number. It’s a practical choice for repair shops, DIY mechanics, and fleet maintenance teams who want an exact-fit, GM-recommended replacement to maintain original warning system performance and ensure straightforward installation.