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Speed / Reference / Knock Sensors

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DISPLAYING 1 to 12 (of 12 products)
Special Order item
94410132107
Product Information
Product Information
Bracket for impulse / speed reference sensor.

porsche

Fits:
Porsche 924S 1986-88
Porsche 944 1985-91

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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94410132107
94410132107

The product you are viewing cross references to these numbers
91160610800/1
Product Information
Product Information
Dead centre sensor.
Sensor for upper dead centre

oematch

Fits:
Porsche 911 1984-89
Porsche 924S 1986-88
Porsche 944 1984-91

Click 'Zoom in' for large parts diagram.
Diagram ref no 24

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91160610800
91160610800

The product you are viewing cross references to these numbers
Special Order item
99965291640
Product Information
Product Information

Electrical plug housing - multiple applications (see below).

Porsche 986 Boxster 1997-04
- Camshaft position sensor
- Throttle valve
- Ignition coil

Porsche 996 Carrera & GT3 1998-05

- Ignition coil

Porsche 964/993 Carrera & Turbo 1994-98
- Crankshaft position sensor



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Related, superseded, cross reference or alternative numbers for comparison.

99965291640
99965291640

The product you are viewing cross references to these numbers
99965291640/1
Product Information
Product Information

Electrical plug housing - multiple applications (see below).

Porsche 986 Boxster 1997-04
- Camshaft position sensor
- Throttle valve
- Ignition coil

Porsche 996 Carrera & GT3 1998-05

- Ignition coil

Porsche 964/993 Carrera & Turbo 1994-98
- Crankshaft position sensor



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Related, superseded, cross reference or alternative numbers for comparison.

99965291640
99965291640

The product you are viewing cross references to these numbers
Special Order item
94460617002
Product Information
Product Information
Hall Sender Cylinders 1-4.
Maintain accurate engine timing and reliable ignition performance with this Genuine Porsche Hall Sender for Cylinders 1–4, manufactured to Porsche's original equipment specification and supplied under part number 94460617002. This Hall sender is an essential component of the engine management system, providing the control unit with precise position and timing signals required for ignition and fuel injection on cylinders 1–4.


Fits:

  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944S2 3.0L 16V 1989-91
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95  

Diagram Ref No 23

Over time, the original Hall sender can deteriorate due to heat, vibration, and age, leading to intermittent or complete signal loss. This can result in ignition timing faults, poor engine performance, difficult starting, or engine stalling. Replacing a faulty Hall sender restores reliable communication between the engine and management system, making this Genuine Porsche component ideal for routine maintenance, engine repairs, concours restorations, and Porsche restoration projects.  

What This Product Does:
  • Monitors engine position for cylinders 1–4.
  • Provides precise timing signals to the engine management system.
  • Supports accurate ignition timing.
  • Assists correct fuel injection sequencing.
  • Restores reliable engine management performance.
  • Replaces worn or faulty original Hall senders.
  • Manufactured to Porsche's original equipment specification.

Symptoms Of Wear Or Failure:
  • Engine cranks but fails to start.
  • Intermittent engine stalling.
  • Misfiring or rough engine operation.
  • Loss of engine power.
  • Poor throttle response.
  • Engine management fault codes relating to ignition timing or position sensing.
  • Intermittent ignition system faults.

Why Replacement Matters:
  • The Hall sender is a critical sensor within the ignition and engine management system, supplying the precise timing information required for correct ignition and fuel delivery. A failing sensor can cause inaccurate timing signals, leading to poor engine performance, increased emissions, starting difficulties, or complete engine shutdown.
  • Replacing the Hall sender with a Genuine Porsche component restores accurate engine timing and dependable engine management performance while maintaining the factory specification of the ignition system. Manufactured to Porsche's original equipment specification and supplied under part number 94460617002, this genuine component delivers the fit, reliability, and durability expected for Porsche maintenance, repairs, concours restorations, and long-term vehicle preservation.



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

94460617002
94460617001
94460617002

The product you are viewing cross references to these numbers
94460617002/1
Product Information
Product Information
Hall Sender Cylinders 1-4.

Maintain accurate engine timing and reliable ignition performance with this OE Match Hall Sender for Cylinders 1–4, manufactured as a direct replacement. Produced to OE-style specifications, this Hall sender is an essential component of the engine management system, providing the control unit with precise position and timing signals required for ignition and fuel injection on cylinders 1–4.

Fits:

  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944S2 3.0L 16V 1989-91
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95  

Diagram Ref No 23

Over time, the original Hall sender can deteriorate due to heat, vibration, and age, leading to intermittent or complete signal loss. This can result in ignition timing faults, poor engine performance, difficult starting, or engine stalling. Replacing a faulty Hall sender restores reliable communication between the engine and management system, making this OE Match component ideal for routine maintenance, engine repairs, and Porsche restoration projects.  

What This Product Does:
  • Monitors engine position for cylinders 1–4.
  • Provides precise timing signals to the engine management system.
  • Supports accurate ignition timing.
  • Assists correct fuel injection sequencing.
  • Restores reliable engine management performance.
  • Replaces worn or faulty original Hall senders.
  • Provides an OE-style fit and dependable quality.

Symptoms Of Wear Or Failure:
  • Engine cranks but fails to start.
  • Intermittent engine stalling.
  • Misfiring or rough engine operation.
  • Loss of engine power.
  • Poor throttle response.
  • Engine management fault codes relating to ignition timing or position sensing.
  • Intermittent ignition system faults.

Why Replacement Matters:
  • The Hall sender is a critical sensor within the ignition and engine management system, supplying the precise timing information required for correct ignition and fuel delivery. A failing sensor can cause inaccurate timing signals, leading to poor engine performance, increased emissions, starting difficulties, or complete engine shutdown.
  • Replacing the Hall sender restores accurate engine timing and dependable engine management performance while maintaining the correct operation of the ignition system. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Hall sender provides the correct fit, dependable quality, and long-lasting durability, making it an excellent choice for Porsche maintenance, engine repairs, and restoration projects.



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

94460617002
94460617001
94460617002

The product you are viewing cross references to these numbers
Special Order item
94460611500
Product Information
Product Information
Impulse / speed reference sensor.

porsche

Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968

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

94460611500
94460611500
0261210003

The product you are viewing cross references to these numbers
94460611500/1
Product Information
Product Information
Impulse / speed reference sensor.

bosch

Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968

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

94460611500
94460611500
0261210003

The product you are viewing cross references to these numbers
94460611500/2
Product Information
Product Information
Impulse / speed reference sensor.

oematch

Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968

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

94460611500
94460611500
0261210003
18889

The product you are viewing cross references to these numbers
Special Order item
94460614500
Product Information
Product Information
Knock sensor.

porsche

Fits:
Porsche 944 S2 1987-91
Porsche 944 Turbo / Turbo S 2.5L 1986-91
Porsche 968 1992-95

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

94460614500
94460614500
0261231006
6PG009108971

The product you are viewing cross references to these numbers
94460614500/2
Product Information
Product Information
Knock sensor.

oematch

Fits:
Porsche 944 S2 1987-91
Porsche 944 Turbo / Turbo S 2.5L 1986-91
Porsche 968 1992-95

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

94460614500
94460614500
0-261-231-006
0261231006
6PG 009 108-971
6PG009108971

The product you are viewing cross references to these numbers
94460614500/1
Product Information
Product Information
Knock sensor.

bosch

Fits:
Porsche 944 S2 1987-91
Porsche 944 Turbo / Turbo S 2.5L 1986-91
Porsche 968 1992-95

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

94460614500
94460614500
0-261-231-006
0261231006
6PG 009 108-971
6PG009108971

The product you are viewing cross references to these numbers
DISPLAYING 1 to 12 (of 12 products)
About Speed / Reference / Knock Sensors

Speed, Reference & Knock Sensors – Precision Monitoring for Porsche Engine Performance

Speed, reference, and knock sensors are crucial components in your Porsche’s engine management system. They work together to provide the engine control unit (ECU) with accurate data about crankshaft position, engine speed, and vibration — allowing the system to adjust timing, fueling, and ignition for maximum performance and protection.

At Design911, we supply a comprehensive selection of genuine and high-quality sensors for all Porsche Models, including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each sensor is engineered for precise signal output, reliability, and durability, ensuring consistent performance and optimal engine operation.

What Do Speed, Reference & Knock Sensors Do?

These sensors play distinct yet complementary roles in your Porsche’s electronic control system:

  • Speed Sensors: Measure rotational speed of the wheels or crankshaft to optimise traction, stability, and engine timing.
  • Reference Sensors: Provide accurate engine position data to control ignition timing and fuel injection.
  • Knock Sensors: Detect engine detonation (pinging) and send signals to the ECU to adjust ignition timing, preventing engine damage.

Together, they ensure your Porsche runs smoothly, efficiently, and safely under all driving conditions.

Why Do These Sensors Fail?

Due to exposure to heat, vibration, and contamination, these sensors can degrade over time. Common causes of failure include:

  • Heat damage from proximity to engine or exhaust components.
  • Wiring corrosion or connector oxidation reducing signal accuracy.
  • Mechanical wear on sensor tips or mounting points.
  • Contamination from oil, dirt, or debris interfering with readings.
  • Electrical interference or internal circuitry failure.

Typical symptoms of sensor failure include poor acceleration, engine misfires, erratic idle, loss of power, increased fuel consumption, or a check engine light.

Why Replace Faulty Sensors?

A failing sensor can lead to poor performance, reduced fuel efficiency, and even engine damage if left unchecked. Replacing worn or damaged sensors ensures the ECU receives accurate data, maintaining safe and efficient operation.

Benefits of replacement include:

  • Restored ignition timing and fuel efficiency.
  • Improved throttle response and smooth acceleration.
  • Protection against detonation and engine wear.
  • Reliable performance with manufacturer-quality precision.

All sensors in our range are designed with high-quality materials, advanced shielding, and precision calibration to deliver consistent readings and long-term reliability in demanding conditions.

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