Hella 012806831 ABS Wheel Speed Sensor - Rear, Rear Left or Rear Right

HELLA ABS Wheel Speed Sensor 012806831

Restore accurate wheel speed monitoring with this HELLA ABS wheel speed sensor, part number 012806831. Built for the rear axle on select Audi applications, it supports consistent ABS operation by sending precise wheel movement data to the braking system.

Compatible with select 2002-2006 Audi A4, Audi A4 Quattro, and Audi S4 rear positions, this sensor is a direct-fit style replacement for vehicles that require a 2-pin inductive rear wheel speed sensor with a 1340 mm cable.

Key Features

• ABS wheel speed sensor for rear axle left and right applications
• Inductive sensor design with 2 poles
• 1340 mm cable length for listed fitments
• Built for accurate wheel speed detection in ABS systems
• HELLa engineering for select Audi A4, Audi A4 Quattro, and Audi S4 models
• Part number 012806831 for easy identification

Product Details

HELLA 012806831 is an ABS wheel speed sensor engineered to monitor rear wheel rotation and relay that information to the ABS control system. Accurate signal input is essential for braking stability, traction control response, and proper anti-lock brake function. This sensor is listed for rear axle left and right positions on select Audi A4, Audi A4 Quattro, and Audi S4 vehicles from 2002 through 2006, with application notes that vary by chassis and equipment.

This part cross-references Delphi SS20286 for the same application.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Erratic or missing wheel speed signal at the rear axle
• ABS engagement issues during braking
• Traction control or stability system faults tied to wheel speed input
• Brake system performance concerns on listed Audi A4, Audi A4 Quattro, and Audi S4 models

Installation Notes

Verify the vehicle’s year, model, rear position, and chassis/VIN notes before ordering. This sensor is specified for rear axle left and right locations, uses a 2-pin connection, and includes a 1340 mm cable length. Compare the original sensor connector and routing before installation to confirm proper fitment on your Audi A4, Audi A4 Quattro, or Audi S4.

Quality Assurance

HELLA is a recognized automotive parts brand known for precision electrical and braking components. This ABS wheel speed sensor is built with durable materials for dependable operation in demanding road conditions.