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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits: Rear left or right side.
Fits:
Porsche 964 1989-94
The ABS Speed Sensor provides speed information to auxiliary systems ABS to help calculate the distance covered. A fault in the sensor causes failure of these systems. This has a considerable negative effect on safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96460640202
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
The product code ref no, 99660640600 or Bosch ref No 0 265 006 344 refers to a ABS wheel speed sensor. This is a key component of your vehicle’s anti-lock braking system (ABS). Its primary function is to monitor the rotational speed of each wheel, providing precise data to the ABS control module. Most vehicles equipped with ABS have four wheel speed sensors—one at each wheel. This product fits front or rear, left or right sides
These sensors not only help prevent wheel lock-up during braking but also supply essential data for systems such as traction control and electronic stability control (ESC).
Left or Right side
Porsche 996 1998-2001 without PSM
Porsche 996 2001-2004 with PSM
Porsche 986 Boxster 1997-2001 without PSM
Porsche 986 Boxster 2001-2004 with PSM
How the Wheel Speed Sensor Works
The wheel speed sensor detects wheel speed using a reluctor wheel or magnetic pickup located near the wheel hub. Depending on the vehicle’s design, the reluctor may be integrated into the wheel bearing, hub, or axle assembly.
Because of this integration, a faulty wheel bearing can sometimes trigger an ABS warning light or fault code. For this reason, it’s important to perform a complete diagnostic check of the ABS system and related components before carrying out repairs.
Replacement and Repair
On some vehicles, the ABS wheel speed sensor can be replaced individually as a standalone component. In other cases, it may be built into the wheel hub assembly, requiring replacement of the entire unit.
A failed wheel speed sensor will disable the ABS system and can also affect other safety features like traction control and stability control, potentially compromising overall vehicle safety.
ABS Wheel Speed Sensor Failure Symptoms
- ABS light illuminated on instrument cluster
- Stability and traction control not functional
- ABS non-functioning
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660640600
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Sold individually; x4 required per vehicle.
Fits Models Without PSM (Porsche Stability Management) - PR 476
Porsche 986 Boxster 2.7L 2002-04
Porsche 986 Boxster S 3.2L 2002-04
Porsche 996-2 Carrera 3.6L 2002-04
Porsche 996-2 Carrera 4 3.6L 2002-04
Porsche 996-2 Carrera 4S 3.6L 2002-05
Porsche 996-2 Targa 3.6L 2002-05
Porsche 996-2 GT3 3.6L 2004-05
Porsche 996-2 GT3 RS 3.6L 2004
Porsche 996 Turbo 2004-05
Porsche 996 GT2 2004-05
Diagram ref. 3.
NOTE: These wheel speed sensors are not compatible with vehicles equipped with Porsche Stability Management (PSM), option code 476. If you're unsure whether your vehicle has PSM, check your centre console—vehicles with this feature will have a button labelled “PSM OFF” located beneath the hazard light switch. Alternatively, feel free to contact us with your vehicle’s VIN, and we’ll be happy to confirm compatibility.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660640702
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
Keep your Porsche’s braking and stability systems performing at their best with these front ABS / speed sensor harness repair kits. Designed to repair the front left and front right harnesses, they fix faulty wiring and connector issues that can cause ABS and traction control warnings.
Over time, wiring can suffer from wear, corrosion, or cracking, leading to dashboard lights, false ABS activation, or complete system failure. These repair kits restore proper communication between the ABS sensors and control unit, ensuring accurate speed data for safe braking and stability control.
Fits:
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
The front ABS/speed sensor harness repair kit is designed to repair faulty wiring connections between the front wheel speed sensors and the ABS control unit. These repair kits are essential when the harness becomes damaged, corroded, or worn out.
Functions:
- Restores accurate wheel speed signal transmission.
- Ensures proper function of ABS, traction control, and Porsche Stability Management (PSM).
- Repairs worn wiring or connectors without needing a full loom replacement.
- Cost-effective repair solution.
- ABS warning light illuminated on the dash.
- Traction control or PSM light turning on or flashing.
- Erratic ABS function – brakes pulsing unnecessarily, or ABS not engaging when needed.
- Loss of stability or traction assistance during braking or acceleration.
- Fault codes logged for the affected wheel sensor.
- Visible damage such as frayed wires, cracked insulation, or corroded connectors.
The ABS and traction control systems are vital for safe braking and handling, especially in wet or slippery conditions. A faulty harness can disable these systems, increasing stopping distances and reducing stability. Repairing with these repair kits ensures the ABS system functions as intended, restoring safety and reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661295
The product you are viewing cross references to these numbers