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Porsche > 993 (911) (1994-1998) > 993 (911) GT2 1994-97 > Electrical & Relays >

Electronic Control Units

Electronic Control Units

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DISPLAYING 1 to 7 (of 7 products)
ABS Hydraulic Unit. Porsche 993 - 99335595550
2
ABS Hydraulic Unit. Porsche 993
Special Order item
99335595550
Product Information
Product Information
ABS Hydraulic Unit.
porsche

Fits:
Porsche 993 C4 / C4S / Turbo
M224 - for cars with Automatic limited slip differential

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Related, superseded, cross reference or alternative numbers for comparison.

99335595550
99335595550

The product you are viewing cross references to these numbers
Air bag control unit. Porsche 986 Boxster / 996 / 993 - 996618217BX, 996618217BU, 99661821701, 99661821702
1
Air bag control unit. Porsche 986 Boxster / 996 / 993
Special Order item
996618217BX
Product Information
Product Information
exchange
Reconditioned Air bag control unit.

porsche

Fits:
For cars with M562 (Air bag, driver's side and front passenger's side)
Porsche 986 Boxster 1997-04
Porsche 993 1994-98
Porsche 996 Carrera 1997-05
Porsche 996 GT3 1999-05

Please note there is surcharge which is refundable upon return of old unit to us.


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




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Related, superseded, cross reference or alternative numbers for comparison.

996618217BX
996618217BX
996618217BU
99661821701
99661821702

The product you are viewing cross references to these numbers
Cabrio Folding Top Control Unit. Porsche 993 Cabrio *Exchange Unit - 993618313X, 99361831300, 993618313XSC
2
Cabrio Folding Top Control Unit. Porsche 993 Cabrio *Exchange Unit
Special Order item
993618313X
Product Information
Product Information
exchange
Reconditioned Cabrio Folding Top Control Unit.
This item is sold on an exchange basis.

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £418.53 will be held and then refunded when the old one is returned.

Genuine porsche

Fits:
Porsche 993 1995-98

    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




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

993618313X
993618313X
99361831300
993618313XSC

The product you are viewing cross references to these numbers
Electronic control module, Tiptronic. Porsche 993 >>95 - 99361811500
3
Electronic control module, Tiptronic. Porsche 993 >>95
Special Order item
99361811500
Product Information
Product Information
Electronic control module, Tiptronic.

porsche

Fits:
Porsche 993 >>1995 Tiptronic transmissnion

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

99361811500
99361811500

The product you are viewing cross references to these numbers
Immobiliser Control Unit (433MHz) - Unused, Genuine Old Stock - For Porsche 993 Carrera / Turbo 1994-1998 - 99361815901, 993618159BX
4
Immobiliser Control Unit (433MHz) - Unused, Genuine Old Stock - For Porsche 993 Carrera / Turbo 1994-1998
Special Order item
99361815901
Product Information
Product Information
Immobiliser Control Unit / ECU (433 MHz). 

This Part Is Not An Exchange Unit; It Is Unused Old Stock From When Porsche Sold It As A Standalone Part. 

Fits:
Vehicles Equipped With 433 MHz Immobiliser (PR 530)*
Porsche 993 Carrera 1994>>1998
Porsche 993 Turbo 1995>>1998
Porsche 993 Carrera RS 1995>>1996

Diagram Ref No 10A

*NOTE: This Control Unit Is Compatible Only With Vehicles Equipped With A 433 MHz Immobiliser. It Will Not Work With 315 MHz Immobilisers, Which Are Fitted In Some Regions Like North America. Due To Potential Regional Differences, We Strongly Recommend Checking Your Existing Unit For The Printed Frequency To Confirm Compatibility.

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

99361815901
99361815901
993618159BX

The product you are viewing cross references to these numbers
Rear spoiler control unit. Porsche 964 / 993 96461821200 / 964618212AX - 96461821200, 964618212X, 964618212AX
1
Rear spoiler control unit. Porsche 964 / 993 96461821200 / 964618212AX
Special Order item
964618212AX
Product Information
Product Information
exchange
Reconditioned rear spoiler control unit.
porsche

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £358.17 will be held and then refunded when the old one is returned.

Fits:
Porsche 964 1989-94
Porsche 993 1994-98

Please note there is surcharge which is refundable upon return of old unit to us.


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




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

964618212AX
96461821200
964618212X
964618212AX

The product you are viewing cross references to these numbers
T-SPOILER Advanced spoiler control unit. Porsche 964 / 993 - 96461821200, 964618212, 964618212AX
5
T-SPOILER Advanced spoiler control unit. Porsche 964 / 993
96461821200/1
Product Information
Product Information
T-SPOILER Advanced spoiler control unit.

bergvillfx

Fits:
Porsche 964 1989-94
Porsche 993 1994-98

The BERGVILL F/X T-SPOILER Advanced Spoiler Control Unit is a direct replacement for the original spoiler control unit used in all Porsche 964 and 993 models. By default, it operates in the same way as the original module, but with several enhancements. The unit offers the possibility to change the spoiler rise and lower trigger speeds, as well as a very convenient One-Click feature for easy manual operation. It has also a fault code LED that will tell you what is wrong if the spoiler warning light is triggered. Porsche part # 96461821200, 964 618 212 00 or similar

Download installation manual here

Basic features, similar to the original unit

• Manual control by using the spoiler switch
• At start, the warning light extinguish at 5 km/h
• Spoiler rise at 80 km/h (50 MPH)
• Spoiler lowering at 5 km/h (3 MPH)
• Timer control in rise and lower movement
• No manual or One-Click lowering of spoiler if above rise speed
• T-SPOILER enhanced features

• Microprocessor control
• Solid-state MOSFET motor driver
• Spoiler motor current monitor and automatic shutoff with fault warning
• User programmable One-Click operation, no need to hold switch at manual operation
• User programmable rise and lower trigger speeds
• Safety raising of spoiler at 150 km/h (93 MPH)
• Internal LED fault readout monitor
• Dimensions: 57x27x16mm, weight 19g (Porsche unit 105x49x28mm, 80g)

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

96461821200
96461821200
964618212
964618212AX

The product you are viewing cross references to these numbers
DISPLAYING 1 to 7 (of 7 products)
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About Electronic Control Units

Electronic Control Units (ECUs) – Precision Performance and Reliability for Porsche Vehicles

Electronic Control Units (ECUs) are the brains of your Porsche’s electronic systems, managing and monitoring everything from engine performance to fuel delivery, ignition timing, transmission response, and emissions control. These highly sophisticated modules communicate with multiple sensors and actuators to ensure your car runs efficiently, safely, and smoothly under all driving conditions.

At Design911, we supply a wide range of genuine and high quality ECUs for Porsche models - including engine control units, transmission control modules, body control units, and more. Each ECU is manufactured to the highest standards, ensuring exact compatibility and seamless communication with your vehicle’s electronic architecture.

What Do Electronic Control Units Do?

An ECU acts as the central processor of a vehicle’s system, interpreting data from sensors and adjusting performance parameters in real-time. Depending on the application, ECUs can control:

  • Engine management: fuel injection, ignition timing, turbo boost, and air-fuel ratios.
  • Transmission systems: shift points, torque converter lock-up, and gear selection.
  • ABS and traction control: maintaining grip and stability.
  • Body systems: lighting, climate control, and interior functions.

Modern Porsche vehicles often contain multiple ECUs working together across a CAN bus network, ensuring optimal efficiency, emissions compliance, and driver comfort.

Why Do ECUs Fail?
Electronic Control Units are robust, but can fail due to age, environmental factors, or electrical faults. Common causes include:

  • Water ingress or corrosion: damaging internal circuits.
  • Voltage spikes or short circuits: caused by battery or alternator issues.
  • Thermal stress: from prolonged engine heat cycles.
  • Software corruption or data errors: due to low voltage or improper programming.
  • Connector and harness faults: causing poor communication with sensors.

Symptoms of ECU failure may include engine misfires, warning lights, poor performance, stalling, or failure to start.

Why replace your ECU?
A faulty ECU can cause unpredictable performance, poor fuel economy, and safety concerns. Replacing a malfunctioning unit restores the precision and reliability your Porsche was built to deliver.

Benefits of replacing with a quality ECU include:

  • Full compatibility with vehicle systems.
  • Restored factory performance and efficiency.
  • Elimination of warning lights and diagnostic faults.
  • Improved reliability and drivability.

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