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Speed / Reference / Knock Sensors
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
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
The product you are viewing cross references to these numbers
- 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
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
The product you are viewing cross references to these numbers
- 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

Fits:
Porsche 928 1987-90
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160614100
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91

Fits:
Porsche 928 1987-90
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160614100
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460611500
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460611500
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 928
Porsche 924S
Porsche 944
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460611500
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- 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 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 911 1974-77 - Models with electronic speedometer.
Porsche 911 1978-89
Porsche 911 Turbo (930) 1975-77
Porsche 928 1078-91
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91566050901
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
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.