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Control Unit For Four-Wheel Drive. Porsche 997.1 Turbo / GT2 2007-09 ❭ 99761819504
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Ensure your Porsche 911 (997 generation Turbo / GT2 all-wheel-drive models) maintains its factory-spec AWD performance with this genuine OEM control module. This module governs the transfer case and AWD logic, managing front/rear torque distribution, sensor input and system actuation to deliver Porsche’s intended driving dynamics and safety.
Fits:
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Diagram Ref No 7
What This Product Does:
- This control unit monitors sensors (such as speed sensors, yaw, wheel slip) and drives actuators in the transfer case/all-wheel-drive system to engage/disengage or regulate power to the front axle, manage slip conditions, and ensure the AWD system works correctly under various driving conditions.
- It ensures the system behaves safely and according to Porsche’s tuning — when you accelerate, brake, corner or change surface grip, the module governs how the front/rear torque split is controlled, reducing slip, enhancing stability and performance.
- Without a properly functioning module, the mechanical AWD system cannot respond correctly to driver input or sensor feedback, which may lead to reduced performance, warning lights, or even drive-mode lock-out.
Symptoms & Signs Of A Faulty Module:
- The AWD/4WD warning light or malfunction indicator on the dash related to drive-system faults.
- The vehicle’s front axle or AWD system not engaging (or engaging incorrectly) — e.g., rear-wheel drive only when there should be full-time AWD, or unusual behaviour when cornering.
- Erratic behaviour from the AWD system: slipping, traction control light, inconsistent grip, or possible front-drive disengagement.
- Fault codes logged in the vehicle’s diagnostic system referencing the module part number or transfer case sensor/actuator circuits.
- Especially following replacement of differential, transfer case or front driveshaft components — if the module was disturbed, removed or failed, replacing it may restore proper operation.
Why Replacement Matters:
- System integrity: The AWD system is a core performance and safety component on Porsche 911 Turbo/GT2 models. A faulty module compromises stability, traction and the intended driving dynamics.
- Avoids further damage: If the module fails and the AWD system operates incorrectly (or remains locked/unlocked), mechanical parts (transfer case, driveshafts, clutches) may be overstressed or damaged over time.
- Simplified installation: A genuine module means plug-and-play compatibility, less risk of coding issues, fewer diagnostic headaches, and quicker return to correct AWD functionality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99761819504
The product you are viewing cross references to these numbers
- 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 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09

Fits:
Porsche 986 Boxster 1997-04 (Chassis no F 98XS6 00075>>)
Porsche 987 Boxster MKI 2005-08
Porsche 987C Cayman MKI 2005-08
Porsche 996 C2 / C4 / C4S 1999-05 (Chassis no F 99XS6 00295>> and F 99XS6 40109>>)
Porsche 996 Turbo 2001>>
Porsche 997 MKI C2 / C4 / C2S / C4S / Turbo 2005-08
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05

Reconditioned ABS Hydraulic Unit.
Reconditioned units are sold on an exchange basis, A surcharge of £3896.53 will be held and then refunded when the old one is returned.

Fits:
Porsche 996 C4S 3.6L 2001-2005
Porsche 996 TURBO 3.6L 2001-2005
This unit is sold on an exchange basis, A surcharge of £2500 will be held and then refunded when the old one is returned.
- 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.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
996355955CX
The product you are viewing cross references to these numbers
- 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 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 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
For cars with Theft security system (M534) and Anti-theft lock 315 MHz (M535)
Porsche 986 Boxster 1997-05
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661821002
The product you are viewing cross references to these numbers
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