Front Differential

Reconditioned units are sold on an exchange basis, A surcharge of £3543.67 will be held and then refunded when the old one is returned.

Fits:
Porsche 996 C4 1999-2005
Porsche 996 TURBO 2001-2005
Reconditioned Differential front axle final drive is sold on a exchange basis, A surcharge of £4157.20 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Related, superseded, cross reference or alternative numbers for comparison.
996349010CX
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
G96/30/50: G97/31
Our version is stronger and incorporates the ring gear thrust bolt to minimize deflection under load. To my knowledge the factory cover is not offered as a spare part.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634901003
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
Fits:
Porsche 996 (911) Carrera 4 (1999 - 2005)
Porsche 996 (911) Turbo (2001 - 2005)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1, 3, 4, 9, 10, 12, 13.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG34901002
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05

Fits:
Porsche 993 C4 1995-98
Porsche 993 Turbo 1996-98
Porsche 996 C4 1999-05
Porsche 996 Turbo 2001-05
Porsche 997.1 C4 2006-08
Porsche 997.1 Turbo 2007-10
Porsche 997.2 C4 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991.1 C4 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911345441
The product you are viewing cross references to these numbers
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16

Fits:
Porsche 993 C4 1995-98
Porsche 993 Turbo 1996-98
Porsche 996 C4 1999-05
Porsche 996 Turbo 2001-05
Porsche 997.1 C4 2006-08
Porsche 997.1 Turbo 2007-10
Porsche 997.2 C4 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 991.1 C4 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911345441
The product you are viewing cross references to these numbers
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16

Fits:
Porsche 996 C4 / C4S 1999-05
Porsche 996 Turbo 2001-05
Porsche 997.1 C4 2005-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99633902102
The product you are viewing cross references to these numbers
- 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 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Porsche Front Differential
At Design911, we supply a wide range of front differential parts and related components for Porsche models, helping you maintain, upgrade and enjoy your car’s traction and driveline performance.
Why do Porsche Front Differential matter?
Front differentials play a key role in how power is distributed between the front wheels of all-wheel drive Porsche models, directly affecting traction, refinement and stability. Over time they can suffer from wear, noise, leaks or internal damage, especially if lubrication is compromised or the car is driven hard. Replacing tired or faulty components helps keep your Porsche driving smoothly and protects other parts of the drivetrain.
- Keep your Porsche looking smart rather than tired or neglected
- Help protect the surrounding area from dirt and corrosion where relevant
- Reduce minor niggles such as looseness, rattles or mismatched parts
- Support long-term enjoyment, pride of ownership and potential resale value
Common options & kits
Individual replacement parts
Specific items to address a particular area or issue without changing everything at once.
- Ideal for targeted repairs
- Lets you replace only what is needed
- Helps keep initial costs under control
Matched sets or pairs
Components supplied together so both sides or related items are renewed at the same time.
- Consistent feel and performance
- Helps avoid uneven wear or behaviour
- A sensible choice for routine maintenance
Complete kits
Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.
- Everything specified in a single package
- Saves time compared with sourcing parts individually
- Ideal when upgrading or restoring your Porsche
Brands & quality options
At Design911, we stock genuine Porsche parts where available, plus OEM-equivalent and carefully selected aftermarket brands. This lets you choose between keeping things original, adding subtle upgrades or managing budgets on everyday maintenance.
CMS
We specialize in Porsche transmissions, manufacturing many components and upgrades. CMS have served the Porsche community for over 35 years and continue to do so.
Elring
The Elring aftermarket brand offers an all-embracing package with original equipment quality and functional reliability for Porsche applications.
Kits
Design911 offers an extensive selection of package deals for Porsche parts, providing curated component combinations to support maintenance or upgrades.
OE Match
OE Match provides a wide range of Porsche components across many systems, with catalogued OE cross-references to help select suitable parts.
Porsche
Genuine Porsche parts are designed and tested specifically for Porsche models, helping to maintain factory feel and compatibility.
When should you review or replace your Porsche front differential?
Checking front differential condition and related components regularly helps you spot wear, damage or lubrication issues before they affect comfort, traction or lead to more expensive drivetrain repairs later on.
- Existing parts are worn, cracked, noisy, leaking or showing signs of internal damage
- You notice whining, vibration or grinding noises from the front drivetrain area
- You feel instability, shuddering or inconsistent traction when accelerating or cornering
- You want the car to feel smarter and better cared for in daily use or before resale
If any of these apply, it is a good time to review your front differential and replace anything that is past its best, so your Porsche stays dependable and enjoyable to drive.
Explore Porsche front differential with Design911
Browse front differential parts and related components for Porsche at Design911 — from individual items to complete kits — and find options to suit everyday maintenance, upgrades and full projects.