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Original Porsche Part Genuine Porsche part 99660640703
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
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Related, superseded, cross reference or alternative numbers for comparison.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 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 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits: 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
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Related, superseded, cross reference or alternative numbers for comparison.
99660640600
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
(*on Porsche 996 Turbo there is also an additional of same the sensor used for Oil temperature)
Fits:
Porsche 986 Boxster 2.7L & 3.2L - for Coolant temperature
Porsche 996 Carrera 3.6L - for Coolant temperature
Porsche 996 Turbo - for Coolant & Oil temperature*
Porsche 996 GT3 - for Coolant temperature
Porsche 997 2005-08 -for Coolant temperature
Porsche 997 GT3 - for Coolant temperature
Porsche 955 Cayenne S & Turbo - Coolant temperature
Diagram Ref No 29.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660641000
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 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 2007-09
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>

Fits:
Porsche 986 Boxster 2.5L 1997-99
Porsche 996 >>2001
Click 'Zoom in' for large parts diagram.
Diagram Ref No 29.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660640501
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 TURBO 2000-05
- 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 2.5L 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
(*on Porsche 996 Turbo there is also an additional of same the sensor used for Oil temperature)
Fits:Porsche 986 Boxster 2.7L, 3.2L - for Coolant temperature
Porsche 996 Carrera 3.6L - for Coolant temperature
Porsche 996 Turbo - for Coolant & Oil temperature*
Porsche 996 GT3 - for Coolant temperature
Porsche 997 2005-08 -for Coolant temperature
Porsche 997 GT3 - for Coolant temperature
Porsche 955 Cayenne S & Turbo - Coolant temperature
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660641000
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 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 2007-09
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>

Fits: 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
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.
99660640600
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
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 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 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
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