Standard Ignition YA143 Acceleration Sensor - Rear

Standard Ignition YA143 Rear Acceleration Sensor

Standard Ignition YA143 is a rear acceleration sensor built for specific Lexus applications that require accurate motion input for vehicle systems. With an oval female plug-in connector and 3 male blade terminals, this sensor is specified for direct-fit replacement use on select GS, LS, and hybrid models.

Key Features

• Acceleration sensor function for rear-mounted applications
• Oval female connector with plug-in design
• 3 male blade terminals for secure electrical connection
• Direct replacement part number: YA143
• Fits 2007-2011 Lexus GS350, rear
• Fits 2007-2011 Lexus GS450h, rear
• Fits 2008-2011 Lexus GS460, rear
• Fits 2007-2011 Lexus LS460, rear
• Fits 2008-2011 Lexus LS600h, rear

Detailed Description

Standard Ignition YA143 is an acceleration sensor designed for rear placement on select Lexus vehicles, including Lexus GS350, GS450h, GS460, LS460, and LS600h models. The sensor uses a female oval connector with a plug-in interface and three male blade terminals, helping ensure the electrical connection matches the original application. This part is also referenced under cross-reference numbers 8919030020 and YR343 for the same application.

For buyers searching for a rear acceleration sensor for 2007-2011 Lexus GS350, rear or a replacement acceleration sensor for 2007-2011 Lexus LS460, rear, YA143 provides a fitment-specific option. The part number YA143 is also useful when verifying the correct sensor against service information or an existing component label.

What This Part Helps Address

• Fault codes related to rear acceleration sensor signal loss
• Intermittent stability or motion-sensing system warnings
• Incorrect sensor readings from a damaged rear sensor
• Electrical connection issues at the sensor connector
• Replacement needs after collision or underbody component service

Installation Notes and Tips

Confirm the connector shape, terminal style, and rear position before installation. Match the vehicle application exactly to the listed fitment for 2007-2011 Lexus GS350, rear; 2007-2011 Lexus GS450h, rear; 2008-2011 Lexus GS460, rear; 2007-2011 Lexus LS460, rear; and 2008-2011 Lexus LS600h, rear. Inspect the harness connector and terminals for corrosion, bent blades, or damage before connecting the new sensor.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and YA143 is cataloged to match the specified connector and terminal configuration for the listed Lexus rear sensor applications. Verify the part number YA143 against the original unit and vehicle service data before installation.