Standard Ignition ALS321 rear ABS wheel speed sensor for the 1994-1996 Chevrolet Impala and other vehicles reads how fast the wheel turns and sends that signal to the ABS.
- Synthetic material made to withstand harsh operating conditions
- Sealed connector that protects the plug in harsh conditions
- Location grommets and wire clips on the harness for proper mounting and routing
- Tested on vehicles for proper fit and correct integration with electronic safety systems
Quick facts
- Part: Standard Ignition ALS321 ABS wheel speed sensor
- Fits: 1994-1996 Chevrolet Impala and other vehicles
- Position: Rear, differential
- Material: Synthetic
A lit ABS warning light, or ABS and traction control that stop working, can mean the sensor has failed. A damaged tone ring, a chafed harness or a corroded connector can be behind these signs too, so track down which one it is before you buy.
Fits
This wheel speed sensor is a direct-fit replacement for the 1994-1996 Chevrolet Impala, the 1994-1996 Chevrolet Caprice and the 1994-1996 Buick Commercial Chassis, among others. Owners of other models can look up their car in the "Vehicles it fits" section of this page. This listing is one sensor; the 1994-1996 Chevrolet Impala takes one, while the 1994-1996 Buick Commercial Chassis takes two.
Specifications
Fit and size
- Position: Rear, differential
- Quantity per vehicle: varies by model
- Harness length: 53.5 in (1359 mm)
- Number of bolt holes: 1
- Terminal quantity: 2
Build and materials
- Material: Synthetic
- Connector: round, female, 1 connector
- Terminal type: pin, female
- Country of origin: China
In the box
One ABS wheel speed sensor with its harness. Mounting hardware is not included, so plan on new fasteners rather than reusing the old ones.
Frequently Asked Questions
Is this the wheel speed sensor for a 1994-1996 Chevy Impala?
Yes. The Standard Ignition ALS321 fits the 1994-1996 Chevrolet Impala, which takes one sensor. Other models are listed in the "Vehicles it fits" section of the page.
Do the grommets and wire clips come with the Standard Ignition ALS321?
Yes. The Standard Ignition ALS321 has location grommets and wire clips on its harness for mounting and routing. Mounting hardware is not included.
How long is the harness on this rear ABS sensor?
The harness on this rear sensor is 53.5 in (1359 mm) long.
Can a lit ABS warning light mean the rear wheel speed sensor has failed?
Yes, it can. A shop can read the stored ABS codes, and a lit ABS light should be checked promptly.
Is the connector on this ABS sensor male or female?
It is a round female connector with 2 pin terminals.
