Standard Ignition PWS380 Disc Brake Pad Wear Sensor - Rear or Rear Left

Brake Pad Wear Sensor for Rear Brake Monitoring

Standard Ignition PWS380 is a disc brake pad wear sensor harness for rear brake applications. It provides a direct replacement for the brake pad wear sensor circuit used on select Chevrolet Silverado HD and GMC Sierra HD models, helping maintain accurate wear monitoring at the brake caliper.

• Disc brake pad wear sensor harness for rear brake caliper mounting
• Female connector with one oval connector interface
• Male blade terminals with 2-terminal design
• Functions as a sensor in the brake pad wear warning circuit
• Direct-fit replacement for select Chevrolet Silverado HD and GMC Sierra HD rear applications

Fitment and Application Details

Compatible with rear brake wear sensor locations on select heavy-duty trucks. Fits 2025-2026 GMC Sierra 2500 HD, rear. Fits 2025 Chevrolet Silverado 2500 HD, rear. Fits 2025 Chevrolet Silverado 3500 HD, rear. Fits 2025 GMC Sierra 3500 HD, rear. Fits 2020-2024 Chevrolet Silverado 2500 HD, rear left. Fits 2020-2024 Chevrolet Silverado 3500 HD, rear left. Fits 2020-2024 GMC Sierra 2500 HD, rear left. Fits 2020-2024 GMC Sierra 3500 HD, rear left.

This part cross-references Holstein 2BWS0467 and 84571660 for the same application.

What This Part Helps Address

• Brake pad wear warning light staying on after pad service
• Broken or damaged rear brake pad wear sensor harness
• Intermittent wear sensor signal at the brake caliper
• Fault codes related to the brake pad wear monitoring circuit
• Restoring proper wear indication on Silverado HD and Sierra HD rear brakes

Installation Notes and Tips

Install at the brake caliper and verify the connector shape, terminal style, and mounting location before replacement. Inspect the surrounding harness and connector for heat damage, corrosion, or abrasion that could affect the new sensor. Confirm the vehicle position matches the listed rear or rear left application before ordering.

Quality Assurance

Standard Ignition supplies this brake pad wear sensor harness as a replacement electrical component for brake system monitoring. Part number PWS380 is built for the listed heavy-duty truck applications and is intended to restore proper sensor function at the rear brake caliper.