Facet 21.2123 ABS Wheel Speed Sensor - Front Left or Front Right

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Facet 21.2123 ABS Wheel Speed Sensor - Front Left or Front Right

Brand	Facet 21.2123
Position	Front Left
Length Of Cable	1000 mm
Length Of Sensor	28 mm
Resistance Between Terminals	1650 Ohm
Fits	Audi · 32 vehicles

ABS wheel speed sensor. Monitors wheel speed for reliable anti-lock brake system performance.

1000 mm cable. Provides generous reach for flexible routing and installation.

28 mm sensor length. Compact design fits neatly into the assembly.

Cross-references Audi 8E0927803A and Volkswagen 8E0927803A for the same application. See all 2.

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ABS Wheel Speed Sensor for Audi A4 and S4

Facet 21.2123 is an ABS wheel speed sensor for select 2002-2003 Audi A4, Audi A4 Quattro, and 2002 Audi S4 front axle positions. It monitors wheel speed for the anti-lock braking system and uses a 1000 mm cable for the listed applications.

Key Features

ABS wheel speed sensor for front right and front left positions
1000 mm cable length for the specified Audi applications
28 mm sensor length
1650 Ohm resistance between terminals
Cross-references Audi and Volkswagen OE part number 8E0927803A
Facet part number 21.2123 for catalog lookup and ordering

Detailed Description

This Facet ABS wheel speed sensor is built for direct replacement on select Audi A4, Audi A4 Quattro, and Audi S4 models. The sensor measures wheel rotation data used by the ABS control system to help maintain braking stability during hard stops and low-traction conditions. With a 28 mm sensor length and 1650 Ohm resistance between terminals, this part matches the listed electrical and dimensional specifications for the application. Facet 21.2123 also cross-references OE part number 8E0927803A for Audi and Volkswagen applications.

What It Helps Address

ABS warning light caused by a failed wheel speed sensor
Erratic or missing wheel speed signal at the front axle
ABS system faults related to damaged sensor wiring
Brake control issues tied to incorrect wheel speed input
Replacement needs for worn OE-style front sensor assemblies

Installation Notes and Tips

Fits 2002-2003 Audi A4, front right. Fits 2002-2003 Audi A4, front left. Fits 2002-2003 Audi A4 Quattro, front right. Fits 2002-2003 Audi A4 Quattro, front left. Fits 2002 Audi S4, front right. Fits 2002 Audi S4, front left. Verify connector routing, mounting points, and sensor seating before installation. Compare the existing sensor length and cable routing to the replacement part to confirm proper fitment on your Audi A4 or Audi S4 application.

Quality Assurance

Facet manufactures automotive electrical and sensor components for replacement use, with OE-style specifications referenced for the listed applications. This part is identified by Facet 21.2123 and the OE cross-reference 8E0927803A.

This part fits 32 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Liters	Cylinders	Position	Notes
2003	Audi	A4	Base	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Base	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Base	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Cabriolet	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Cabriolet	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Cabriolet	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Base	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4	Cabriolet	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Base	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Avant	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Base	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Base	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Avant	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Avant	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Avant	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2003	Audi	A4 Quattro	Base	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4	Base	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4	Base	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4	Base	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4	Base	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Avant	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Avant	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Base	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Avant	3.0L	V6	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Base	3.0L	V6	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Base	1.8L	L4	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Base	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	A4 Quattro	Avant	1.8L	L4	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	S4	Avant	—	—	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	S4	Base	—	—	Front Right	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	S4	Avant	—	—	Front Left	ABS Wheel Speed Sensor includes wire harness.
2002	Audi	S4	Base	—	—	Front Left	ABS Wheel Speed Sensor includes wire harness.
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Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Audi — 8E0927803AVolkswagen — 8E0927803A