Speed / Reference / Knock Sensors

Camshaft position sensor.



Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 987.1 Cayman 2005-08
Porsche 987.2 Cayman 2009-12
Porsche 981 Cayman 2014-16
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Porsche 991 2012-16

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Diagram ref no 15

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99760610603

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Camshaft position sensor.



Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 987.1 Cayman 2005-08
Porsche 987.2 Cayman 2009-12
Porsche 981 Cayman 2014-16
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Porsche 991 2012-16

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Diagram ref no 15

Related reference numbers
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99760610603

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Camshaft position sensor.



Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2013-16
Porsche 987.1 Cayman 2005-08
Porsche 987.2 Cayman 2009-12
Porsche 981 Cayman 2014-16
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Porsche 991 2012-16

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99760610603

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Crankcase knock sensor.

Fits:
Porsche 997 2005-08
Porsche 997 2009-11
Porsche 991 2012>>
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 981 Boxster 2012>>
Porsche 987C Cayman MKI & MKII 2005>>
Porsche 981C Cayman 2013>>
Porsche 957 Cayenne S / GTS / Turbo 2007-10
Porsche 958 Cayenne S / GTS / Turbo 2011>>
Porsche 970 Panamera 2010>>
Porsche Macan S / Turbo 2014>>

Diagram ref no 17

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0PB905377C

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Crankcase knock sensor.

Fits:
Porsche 997 2005-08
Porsche 997 2009-11
Porsche 991 2012>>
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 981 Boxster 2012>>
Porsche 987C Cayman MKI & MKII 2005>>
Porsche 981C Cayman 2013>>
Porsche 957 Cayenne S / GTS / Turbo 2007-10
Porsche 958 Cayenne S / GTS / Turbo 2011>>
Porsche 970 Panamera 2010>>
Porsche 95B Macan S / Turbo 2014>>

Diagram ref no 17

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0PB905377C

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Crankcase knock sensor.
This OE-Match knock (detonation) sensor is built to factory specifications for precise fit and performance. It detects engine knock or pinging and relays signals to the ECU, allowing it to adjust ignition timing for optimal operation.

Fits:
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2011
Porsche 991.1 2012 - 2016
Porsche 987.1 Boxster 2005 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 987C.1 Cayman 2005 - 2008
Porsche 987C.2 Cayman 2009 - 2012
Porsche 981C Cayman 2013 - 2016
Porsche 957 Cayenne S / GTS / Turbo 2007 - 2010
Porsche 958 Cayenne S / GTS / Turbo 2011 - 2018
Porsche 970 Panamera 2010 - 2016
Porsche 95B.1  Macan S / Turbo 2014 - 2018

Diagram ref no 17

Mounted directly into the engine block, typically on a cylinder bank or block surface.  Positioned to sense vibration from the combustion process (often near the pistons or cylinder heads).

•  Detects abnormal combustion (knock) by measuring vibration in the engine block.
•  Transmits voltage signals to the ECU so it can retard timing to avoid engine damage
•  Helps preserve engine health, efficiency, and performance by preventing detonation

A failing or degraded knock sensor can cause misfires, rough idle, reduced power, poor fuel efficiency, or illuminated check engine lights. Without accurate knock sensing, the ECU may not properly adjust timing, risking engine damage under load. Installing an OE-Match replacement restores correct sensitivity, supporting optimal combustion and engine reliability

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0PB905377C

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Crankshaft speed sensor shim.



Fits:
Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4 2016
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-19
Porsche 991 Turbo 2014-20
Porsche 991 GT3 >> 26.06.2016  with CG190, CG195 gearbox

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99160691200

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Gearbox speed sensor.
The gearbox speed sensor detects the rotational speed of the gearbox output shaft and provides the necessary data to the engine control module, gearbox electronics and dashboard gauges.

Fits:
Porsche 981 / 982 (718) Boxster / S 2012>> (Manual Models Only)
Porsche 981 / 982 (718) Cayman / S 2013>> (Manual Models Only) 
Porsche 981 Boxster Spyder 3.8L 2016 
Porsche 981 Cayman GT4 3.8L 2016 
Porsche 982 (718) Spyder / Cayman GT4 4.0L 2019>> (Only For Gearbox Code G8225) 

Diagram ref no 11

This sensor monitors how fast the gearbox is turning and sends that data to the vehicle’s control systems. It helps the transmission and engine computer decide shift points, rev matches, speedometer readings, and in some cases limits or safety functions. Without an accurate signal, many systems can’t function correctly.

A faulty speed sensor can lead to incorrect or delayed speed readings, inconsistent shifting behaviour, or misreported speed on the dashboard. Over time, wear, contamination, or mechanical damage can degrade sensor performance. Replacing it restores precise transmission control, safer driving, and prevents further damage to related components like the gearbox ECU, shift linkage, or drive train.

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9A7905381

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Gearbox speed sensor.



Fits:
Porsche 981 / 982 (718) Boxster / S 2012>> (Manual Models Only) 

Porsche 981 / 982 (718) Cayman / S 2013>> (Manual Models Only) 
Porsche 981 Boxster Spyder 3.8L 2016 
Porsche 981 Cayman GT4 3.8L 2016 
Porsche 982 (718) Spyder / Cayman GT4 4.0L 2019>> (Only For Gearbox Code G8225) 

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Diagram ref no 11

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9A7905381

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Gearbox speed sensor.



Fits:
Porsche 981 / 982 (718) Boxster / S 2012>> (Manual Models Only) 

Porsche 981 / 982 (718) Cayman / S 2013>> (Manual Models Only) 
Porsche 981 Boxster Spyder 3.8L 2016 
Porsche 981 Cayman GT4 3.8L 2016 
Porsche 982 (718) Spyder / Cayman GT4 4.0L 2019>> (Only For Gearbox Code G8225) 

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9A7905381

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Hexagon head bolt M8 x 35 - Various applications
Sold each



Fits:
Porsche 987.2 Cayman Boxster - 2009 to 2012
Porsche 718 Boxster Spyder / Cayman GT4 - 2019 to 2018
Porsche 996 - 2001 to 2005
Porsche 991 turbo - 2001 to 2005
Porsche 970 Panamera - 2010 to 2016

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90037810801

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Impulse / speed sensor. Crankshaft sensor.



Fits:
Porsche 986 Boxster 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 Carrera 2003>>
Porsche 996 Turbo (Tiptronic Transmission)
Porsche 997 Carrera 2005-08
Porsche 997 Turbo 2007>> (Tiptronic Transmission)

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98660611204

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Impulse / speed sensor. Crankshaft sensor.



Fits:
Porsche 986 Boxster 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 Carrera 2003>>
Porsche 996 Turbo (Tiptronic Transmission)
Porsche 997 Carrera 2005-08
Porsche 997 Turbo 2007>> (Tiptronic Transmission)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

98660611204

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Impulse / speed sensor. Crankshaft sensor.



Fits:
Porsche 986 Boxster 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 Carrera 2003>>
Porsche 996 Turbo (Tiptronic Transmission)
Porsche 997 Carrera 2005-08
Porsche 997 Turbo 2007>> (Tiptronic Transmission)

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98660611204

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