Dorman 590-240 Air Bag Impact Sensor - Left Side Door or Right Side Door

Dorman 590-240 Air Bag Impact Sensor

Dorman 590-240 is an air bag impact sensor built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable, reliable performance and is a direct replacement for the left or right side door location on select Ford, Mercury, and Lincoln models.

Key Features

• Air bag impact sensor for door-mounted supplemental restraint system applications
• 2-terminal design with female connector gender
• Direct-fit replacement for the original sensor on listed vehicles
• Package contents: 1 sensor
• Part number: 590-240

Detailed Description

This Dorman impact sensor is designed for vehicles that use a 2-terminal, female-connector door impact sensor in the supplemental restraint system. It matches the original sensor’s fit and function for select 2009-2012 Ford Escape, 2009-2011 Mercury Mariner, 2010 Ford Fusion, 2010 Lincoln MKZ, and 2010 Mercury Milan applications. The 590-240 is a practical replacement when servicing a door-side air bag impact sensor on the left or right side.

This part cross-references Ford OE part number 9L8Z14B345A for the same application. The 590-240 part number is also useful when searching for a replacement air bag impact sensor for Ford Escape, Mercury Mariner, Ford Fusion, Lincoln MKZ, and Mercury Milan door positions.

Vehicle Fitment

• Fits 2009-2012 Ford Escape, left side door.
• Fits 2009-2012 Ford Escape, right side door.
• Fits 2009-2011 Mercury Mariner, left side door.
• Fits 2009-2011 Mercury Mariner, right side door.
• Fits 2010 Ford Fusion, left side door.
• Fits 2010 Ford Fusion, right side door.
• Fits 2010 Lincoln MKZ, left side door.
• Fits 2010 Lincoln MKZ, right side door.
• Fits 2010 Mercury Milan, left side door.
• Fits 2010 Mercury Milan, right side door.

Common Issues This Part Can Address

• Failed door impact sensor diagnosis in the supplemental restraint system
• Air bag warning light related to a door-mounted impact sensor fault
• Replacement need after collision-related sensor damage
• Restoration of proper sensor signal from the left or right side door

Installation Notes and Tips

Verify the connector style, terminal count, and mounting location before installation. Because this is a safety-related component, confirm the vehicle’s exact year, make, model, and door position against the fitment list before ordering. After installation, clear any stored restraint system codes and verify proper system operation with the correct diagnostic procedure.

Quality Assurance

Dorman designs this sensor to match original fit and function and to deliver dependable performance in the specified applications. The part is built for durability and consistent operation in door impact sensor service.