Standard Ignition ALS424 front ABS wheel speed sensor for the 1999-2003 Audi A6 Quattro and other vehicles reports wheel rotation speed to the ABS. The ABS control module uses that signal to tell when a wheel is about to lock.
- Synthetic material made to withstand harsh operating conditions
- Grommets and wire clips on the harness for mounting and routing
- Tested on vehicles for correct integration with electronic safety systems
- Sealed connectors for protection in harsh conditions
Quick facts
- Part: Standard Ignition ALS424 ABS wheel speed sensor
- Fits: 1999-2003 Audi A6 Quattro and other vehicles
- Position: Front, front left
- Condition: New
A lit ABS warning light, or ABS that engages at the wrong moment, can mean this sensor is worn, though a damaged wiring harness or a worn tone ring can be behind the same signs, so find the cause first.
Fits
It fits the 1999-2003 Audi A6 Quattro and the 1999-2001 Audi A6, and the quantity needed per vehicle varies by model year. The sensor is tested on vehicles for proper fit. This listing is one sensor for the front left; the right side is a separate part.
Specifications
Fit and size
- Position: front, front left
- Quantity per vehicle: varies by model year
- Harness length: 41 in (1041.4 mm)
- Connector quantity: 3
- Terminal quantity: 6
Build and materials
- Connector shape: rectangular
- Terminal type: blade
- Terminal gender: male and female
- Condition: new
- Country of origin: China
In the box
One ABS wheel speed sensor, with grommets and wire clips on the harness. Mounting hardware is not included, and the old hardware may not be reusable.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is the Standard Ignition ABS wheel speed sensor ALS424 right for the 1999-2001 Audi A6?
Yes. Standard Ignition ALS424 is listed for the 1999-2001 Audi A6 and the 1999-2003 Audi A6 Quattro.
Does this ABS wheel speed sensor come with wire clips?
Yes. The harness carries grommets and wire clips for mounting and routing. Mounting hardware is not included.
How long is the harness on the ALS424 ABS sensor?
The Standard Ignition ALS424 harness is 41 in (1041.4 mm) long. It ends in a rectangular connector with blade terminals.
What can a failing front ABS wheel speed sensor look like?
An ABS warning light, or ABS that engages at the wrong moment, can be a sign of a worn sensor. A shop can test the sensor and its circuit with a scan tool.
Are the connectors on the Standard Ignition ALS424 sealed?
Yes. The Standard Ignition ALS424 uses sealed connectors to protect against harsh conditions. The connector is rectangular with blade terminals.
