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Sensors
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Tiptronic Pressure Regulator.
The Genuine Porsche Tiptronic Pressure Regulator 98632560300 is an electro-hydraulic control component installed inside the valve body of selected Porsche Tiptronic automatic transmissions.
Sold Each.
x3 Required Per Car.
Fits:
Diagram Ref No 8
Its job is to regulate hydraulic transmission-fluid pressure in response to electrical commands from the Tiptronic transmission control system.
Automatic transmissions depend on accurately controlled hydraulic pressure to operate their internal clutches and braking elements. By varying this pressure, the transmission can engage and release the appropriate internal components smoothly and at the correct time.
A worn, sticking or electrically defective pressure regulator can interfere with this process and may contribute to harsh gear changes, delayed engagement, slipping, irregular shift quality or transmission fault warnings.
Replacing a confirmed faulty regulator helps restore proper hydraulic pressure control and allows the Tiptronic transmission to perform gear changes as designed.
What This Product Does:
The Tiptronic Pressure Regulator converts an electrical control signal from the transmission-management system into controlled hydraulic pressure within the automatic transmission.
Its main functions include:
- Regulating automatic transmission fluid pressure.
- Controlling hydraulic pressure within the valve body.
- Supporting smooth clutch and brake-element engagement.
- Helping control gear-change quality.
- Supporting consistent transmission operation.
- Responding to commands from the Tiptronic control system.
- Helping maintain correct hydraulic operation under different loads.
- Replacing a sticking, electrically failed or mechanically worn regulator.
Symptoms Of Wear Or Failure:
Possible symptoms can include:
- Harsh gear changes.
- Jerking during shifts.
- Delayed gear engagement.
- Delayed selection of Drive.
- Delayed selection of Reverse.
- Transmission slipping.
- Engine speed flaring between gears.
- Irregular shift timing.
- Transmission remaining in one gear.
- Limp-home or emergency operating mode.
- Tiptronic warning indication.
- Transmission fault message.
- Stored transmission fault codes.
- Inconsistent shifts when hot.
- Inconsistent shifts when cold.
- Excessively firm engagement.
- Poor low-speed shift quality.
These symptoms are not unique to the pressure regulator and proper diagnosis is essential.
Why Replacement Matters:
Replacing a confirmed faulty Tiptronic Pressure Regulator helps restore:
- Correct hydraulic-pressure control.
- More consistent gear changes.
- Smoother clutch engagement.
- Correct transmission response.
- Reduced slipping.
- Reduced drivetrain shock.
- Proper Tiptronic control.
- Reliable automatic transmission operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98632560300
The product you are viewing cross references to these numbers
Porsche Gearbox & Transmission Sensors | Precision Monitoring for Smooth Shifting & Performance
Transmission sensors play a critical role in monitoring, controlling, and optimising your Porsche’s gearbox operation. They measure vital parameters such as gear position, speed, oil temperature, and pressure — ensuring the transmission control unit (TCU) delivers smooth, precise, and responsive gear changes.
At Design911, we supply high-quality gearbox and transmission sensors designed to meet or exceed original performance specifications. Each sensor is manufactured using advanced electronic components and durable housings to provide accurate readings, reliability, and long service life under all driving conditions.
Whether you’re diagnosing a shifting fault, replacing a worn sensor, or performing a transmission rebuild, our Porsche transmission sensors deliver the precision and dependability your performance car demands.
What Do Gearbox / Transmission Sensors Do?
Transmission sensors collect and relay real-time data to your Porsche’s control unit, which adjusts hydraulic pressure, shift timing, and clutch engagement based on driving conditions.
Core Functions:
- Monitor input and output shaft speeds for precise gear control.
- Detect gear position and selector status.
- Measure oil temperature and pressure to protect internal components.
- Enable adaptive gear shifting and torque distribution.
- Support transmission diagnostics and safety functions.
Without accurate sensor feedback, the gearbox cannot manage shifts efficiently, leading to jerky changes, fault codes, or even transmission limp mode.
Why Do Transmission Sensors Fail or Malfunction?
Over time, sensors are exposed to high heat, vibration, and contamination — conditions that can degrade their performance or cause complete failure.
Common Causes of Failure Include:
- Oil contamination or debris buildup on sensor contacts.
- Electrical short circuits or wiring damage.
- Internal corrosion from moisture ingress.
- Excessive heat or vibration weakening electronic components.
- Sensor misalignment or connector failure.
When gearbox sensors fail, symptoms may include erratic shifting, warning lights, transmission errors, or the vehicle entering limp mode to protect itself from damage.
Why Replace Your Porsche Gearbox / Transmission Sensors?
Replacing worn or faulty sensors restores precise gearbox communication, smooth shifting, and consistent performance. High-quality replacement sensors also improve diagnostic accuracy and ensure reliable integration with your vehicle’s control systems.
Key Benefits:
- Restores smooth, consistent gear shifting.
- Eliminates transmission error codes and warning lights.
- Improves fuel efficiency and torque delivery.
- Prevents transmission damage from incorrect data signals.
- Compatible with manual, Tiptronic, and PDK Porsche gearboxes.
- Easy-fit replacement for maintenance, servicing, or rebuilds.
Regular sensor maintenance and timely replacement are essential for maintaining transmission reliability, especially in performance or high-mileage Porsches.
Highlights
- Precision-engineered Porsche gearbox and transmission sensors.
- Accurate readings for pressure, speed, temperature, and position.
- Designed for durability under heat, vibration, and oil exposure.
- Suitable for Porsche 911, Cayman, Boxster, Panamera, and more.
- Direct-fit replacements to restore communication and performance.
- Essential for smooth, efficient, and adaptive gear control.