Dorman 590-285 Air Bag Impact Sensor

OE-Style Air Bag Impact Sensor

This Dorman air bag impact sensor is built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable, reliable performance in the air bag sensing system and is a direct replacement for applications that use a black, square 2-terminal male connector.

Compatible With Cadillac Escalade and Escalade ESV rear left and rear right applications, Chevrolet Silverado and Tahoe rear positions, GMC Sierra and Yukon rear positions, and additional Buick, Chevrolet, and GMC body and side-impact locations across 2013-2019 model years. Part number 590-285 is also a direct interchange for OE reference 13578678.

• OE-style replacement air bag impact sensor for specified GM vehicles
• Black connector with square shape and 2 terminals
• Male connector design for the listed factory applications
• Built for dependable sensing performance in the supplemental restraint system
• Fits rear, front, B-pillar, side door, and radiator support locations depending on vehicle

Detailed Fitment and Function

Use this sensor when replacing a damaged or failed impact sensor in the supplemental restraint system. The Dorman 590-285 is designed for vehicles including 2014-2019 Chevrolet Corvette front left and front right, 2015-2019 Chevrolet Silverado 2500 HD rear left and rear right, 2015-2019 GMC Sierra 3500 HD rear left and rear right, and 2013-2018 Buick Encore B-pillar left and right. It also fits 2014-2017 Chevrolet SS left side door and right side door locations, along with 2014-2016 Buick LaCrosse radiator support and B-pillar positions.

This part cross-references OE number 13578678 for the same application.

What It Helps Fix

• Air bag warning light caused by a failed impact sensor
• Stored supplemental restraint system fault codes
• Loss of crash-sensing input at the listed vehicle location
• Intermittent air bag system communication from a damaged connector or sensor
• Replacement needs after collision-related sensor damage

Installation Notes and Tips

Verify the mounting location, connector style, and terminal count before installation. This sensor uses a black square connector with two terminals and a male terminal interface, so confirm the factory harness matches the vehicle application. Always follow OEM service procedures for supplemental restraint system repairs, including battery disconnection and system reset steps where required.

Quality Assurance

Dorman designs this air bag impact sensor to match original fit and function on the listed vehicles and to deliver reliable performance in daily service. It is engineered for durability and direct replacement use in compatible Cadillac, Chevrolet, and GMC applications.