Standard Ignition ABS Wheel Speed Sensor P/N:ALS1878
Standard Ignition ALS920 rear left ABS wheel speed sensor for the 1993-1995 Mazda RX-7 reads wheel speed for the ABS. This Standard Ignition ABS wheel speed sensor is engineered specifically for Mazda vehicles and mounts at the wheel.
A lit ABS warning light or a cracked, chafed harness can be signs of a failed sensor. Before replacing it, look over the harness and connector with the engine off, since damaged wiring may be the problem rather than the sensor. This listing is one sensor for the rear left wheel; the rear right takes its own.
It is a direct-fit replacement for the 1993-1995 Mazda RX-7.
Fit and size
Build and materials
One ABS wheel speed sensor with its harness. Mounting hardware is not included, so plan on new fasteners.
Interchange: ABS1030 · ABSC20694 · 530327 · F1464372Y · FD044372Y · FD044372YB · FD044372YC
This part cross-references / interchanges with the following part numbers:
Is the Standard Ignition ALS920 the right sensor for the 1993-1995 Mazda RX-7?
Yes, Standard Ignition ALS920 is a rear left ABS wheel speed sensor for the 1993-1995 Mazda RX-7. The rear right wheel takes its own sensor.
Does the ALS920 ABS sensor come with mounting bolts?
No. This rear left sensor comes with its harness, which carries location grommets and wire clips, but mounting hardware is not included.
How long is the harness on this ABS wheel speed sensor?
The Standard Ignition ALS920 harness is 787 mm (31 in) long. It ends in one rectangular connector with two blade terminals.
What can a failing rear left wheel speed sensor look like?
The ABS warning light can come on, and a cracked or chafed harness or a damaged connector can be seen with the engine off. A shop can read the codes to confirm.
Does the Standard Ignition ALS920 replace number FD044372Y?
Yes, FD044372Y is one of the other numbers this ALS920 sensor replaces. The remaining cross-reference numbers are on the Interchange line.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.