do not press the back button…
-
Engine Parts
-
- Engine Cooling Coolant Hoses and Pipes (Front engine cars) Coolant Hoses and Pipes (Rear engine cars) Water / Coolant Radiators Track & Race Coolant Radiators Water / Coolant Pumps Coolant Bottles / Expansion Tanks Thermostat / Temperature Sensor Oil Radiators / Heat Exchangers Oil System & Pipes Engine Oil Coolant / Antifreeze
-
- Engine Rebuild Parts Oil System Parts Fuel System Parts Gaskets & Sets Radial Seal / RMS / Camshaft / Balance shaft Belts / Tensioners / Rollers Chains & Tensioners Timing covers and gaskets Engine Bearings / Shells Engine Valves / Guides / Springs Rocker Arms & Tappets Engine Bolts / Studs Engine Mounts Piston Rings Engine Cylinders / Liners / Pistons Connecting Rod Cylinder Head / Camshaft Carrier Camshaft covers / Gaskets Crankcase Parts Crankshaft & Parts Turbo Chargers / Intercoolers & Parts Air Intake & Injection Cylinder Liner All Categories
-
-
Brakes
-
- Brakes Brake Pads & Disc Package SPORTS Brake Pads & Disc Package Brake Disc Standard Brake Pads Standard SPORTS Brake Disc Brembo Standard brakes Brembo Racing brakes TEXTAR Brakes PAGID Racing Brakes Zimmermann Brakes Performance Friction Brakes SHW Performance Brakes EBC Brakes Black Diamond Performance Brakes Rotinger Graphite Line Replacement for Ceramic Disc Brake Pad Wear Sensors Brake Pad Anti-vibration shims Caliper Bolts / Disc Screws Pin Kit and Guide Plates Performance Brake Hoses Standard Brake Hoses All Categories
-
-
Suspension & Steering
-
Transmission
-
- Gearbox / Transmission Clutch Kits Clutch Release Bearings Clutch Guide Tube Clutch Forks & Levers Clutch Bolts Gearbox Parts Driveshafts & Parts Gasket Sets / Gaskets / Seals / Lock Nuts Gearbox Mounts Flywheel / Torque CV Joints Kits CV Boots and Kits Cardan Shaft / Prop Shaft Gearbox / Differential Oil Gearbox Sump / Oil Pan Front Differential Rear Differential Sensors Transmission Cooling Transfer Box & parts
-
- Cooling & Heating
-
Electrical & Lighting
-
- Electrical & Relays Fuel Pumps Brake Light Switch Brake & Clutch Switch Headlamp Switch Window Switch Window Motors Window Mechanism Wiper Motor Wiper Mechanism Electric Horn Ignition Switch Seat Switch Indicator / Wiper Stalk Switch Relays / Fuses Washer pumps / bottles / jets Alarms / Security / Central Locking Electronic Control Units Dashboard / Console Parts & Switches Door Mirror Switch Bonnet / Rear Lid / Spoiler Activators & Motors Air Bags & Parts Tracker All Categories
-
-
Body & Exhaust
-
- Chassis / Bodywork Front Lid Damper Rear Lid Damper Bonnets / Locks & Latches Boots / Rear Lid / Locks and Latches Rear lid / Tailgate Bumpers Front Bumpers Rear Door Handles | Locks | Keys Door Panels | Hinges | Striker Plates Window Lifters | Motors Wings Front & Parts Wings Rear & Parts Side Sill Panels Exterior Chassis Mouldings Mirrors & Parts Stone Chip Foils / Stickers Undertrays Chassis & Engine Front Wiper Arms & Blades Rear Wiper Arms & Blades Wheel Arch Liners & Covers Roof - Cabrio / Targa / Coupe / Speedster Plastic Covers All Categories
-
-
Lubricants & Fluids
-
- Service Parts Service Kits Oil Filters Air Filters Pollen/Particle Filters Belts All Types Spark Plugs IRIDIUM POWER Spark Plugs IRIDIUM RACING Spark Plugs Ignition Coils Front Wiper Arms & Blades Rear Wiper Arms & Blades Gearbox Service Parts Engine Oil & Lubricants - Mobil Engine Oil & Lubricants - Total Engine Oil & Lubricants - Castrol Engine Oil & Lubricants - Motul Engine Oil & Lubricants - Millers Oils NanoDrive Engine Oil & Lubricants - Millers Oils Fuel Additives Coolant / Antifreeze Power Steering Oil Garage PPE
-
-
All Parts
-
- Parts Accessories Chassis / Bodywork Brakes Clothing & Gifts Electrical & Relays Engine Cooling Engine Electrical Engine Rebuild Parts Engine Tuning Exhausts Exterior Styling / Spoilers Gearbox / Transmission Heating / Air Conditioning Hydraulics Interior & Accessories Incar / Multimedia Lighting Mats & Carpets Motorsport and Off-Road Parts for Other Cars Pedal Cluster Rubber Seals All Categories
-
- Back to main website
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Automatic Transmission Contact Sensor. Porsche 924 / 944 ❭ 171927145A
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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
Restore reliable automatic transmission operation with this Genuine Porsche Automatic Transmission Contact Sensor, manufactured to Porsche's original equipment specification and supplied under part number 171927145A. This precision-engineered sensor is designed to monitor and communicate the selector lever position to the transmission control system, ensuring accurate gear selection and the safe operation of the automatic transmission.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- 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
Diagram Ref No 2
The contact sensor is an essential component within the gear selector mechanism, allowing the vehicle's electrical systems to recognise the selected gear position. Over time, the sensor can wear, become contaminated, or suffer electrical failure, leading to incorrect gear indication, starting issues, or erratic transmission behaviour. Replacing the contact sensor restores dependable communication between the gear selector and transmission system, helping to maintain smooth and reliable operation.
What This Product Does:
- Detects the position of the automatic transmission selector.
- Communicates gear selection to the vehicle's electrical systems.
- Supports accurate transmission operation.
- Helps ensure the engine only starts in the correct selector positions.
- Maintains correct gear indication.
- Restores reliable communication between the selector and transmission.
- Provides Genuine Porsche fit, quality, and performance.
Symptoms Of Wear Or Failure:
- Incorrect gear position displayed.
- Difficulty starting the vehicle in Park or Neutral.
- Intermittent starting issues.
- Erratic or inconsistent transmission behaviour.
- Gear selector position not recognised correctly.
- Electrical faults relating to the transmission selector.
- Visible corrosion or damage to the sensor.
- Age-related deterioration of the original component.
Why Replacement Matters:
- The automatic transmission contact sensor is a vital component that ensures the transmission control system accurately identifies the selected gear. A faulty sensor can affect starting safety, gear indication, and overall transmission performance, potentially leading to unreliable vehicle operation.
- Replacing a worn or faulty contact sensor restores accurate gear position detection, reliable transmission communication, and dependable starting functionality. As a Genuine Porsche replacement part, it provides the correct fit, precise operation, and long-term durability required to maintain the safety, reliability, and original performance of your Porsche's automatic transmission system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
171927145A
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06

Fits:
Porsche 955 Cayenne S / Turbo 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560638101
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06

Fits:
Porsche 955 Cayenne S / Turbo 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560638101
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06

Fits:
Porsche 955 Cayenne S / Turbo 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560638101
The product you are viewing cross references to these numbers
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed