Hella 012806181 ABS Wheel Speed Sensor - Front Left or Front Right

Hella ABS Wheel Speed Sensor for Audi A4 and S4

Restore accurate wheel speed signal input with this Hella ABS wheel speed sensor, part number 012806181. Built for 12-volt systems and supplied with a 950 mm cable length, it supports precise ABS monitoring on select Audi A4, Audi A4 Quattro, and Audi S4 front axle applications.

Key Features

• ABS wheel speed sensor for front left and front right positions
• 950 mm cable length for proper routing on the vehicle
• 12 V rated electrical specification
• Direct-fit application coverage for select 2002-2003 Audi A4 and A4 Quattro, plus 2002 Audi S4
• Hella part number 012806181 for easy identification

Product Details

This Hella ABS wheel speed sensor is built for vehicles that rely on consistent wheel speed data for anti-lock brake system operation. It fits 2002-2003 Audi A4, front right and front left; fits 2002-2003 Audi A4 Quattro, front right and front left; and fits 2002 Audi S4, front right and front left. The 950 mm cable length supports correct harness routing, while the 12-volt rating matches the vehicle electrical system. This part cross-references Delphi SS20037 and Febi-Bilstein 23820 for the same application.

What It Helps Address

• ABS warning light caused by a failing wheel speed sensor
• Erratic or missing wheel speed signal input
• ABS system faults related to damaged sensor wiring
• Brake control issues tied to inaccurate front wheel speed data
• Intermittent sensor communication on Audi A4, A4 Quattro, or S4 front axle locations

Installation Notes and Tips

Confirm the vehicle position before ordering, since this sensor is listed for front left and front right applications only. Inspect the connector, harness routing, and mounting points before installation, and compare the original sensor length to the 950 mm cable specification. Verify fitment against the vehicle year, model, and position for 2002-2003 Audi A4 and A4 Quattro, and 2002 Audi S4.

Quality Assurance

Hella is a recognized automotive parts brand with OE-focused engineering standards. Part number 012806181 is cataloged for the specified Audi applications and is identified for front axle ABS wheel speed sensor service.