Seat Parts
Seat position motor for comfort seats Porsche 986 Boxster / 996
- 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

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 1998-05
Cars with M537 / M538
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99662433200
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Switch seat adjustment LEFT. Porsche 986 Boxster / 996
- 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:
Porsche 986 Boxster RHD vehicles (1997 to 2004)
Porsche 996 (1998 to 2005)
with M437 (Comfort seat left, electronically adjustable)
and M586 (Lumbar Support, left seat)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661371701
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Switch seat adjustment RIGHT Comfort Seat. Porsche 986 Boxster / 996
- 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:
Porsche 986 Boxster RHD vehicles (1997 to 2004)
Porsche 996 (1998 to 2005)
with M438 (Comfort seat right, electronically adjustable)
and M538 (Seating position control for comfort seat, right)
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661372001
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Switch seat adjustment RIGHT. Porsche 986 Boxster / 996
- 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:
Porsche 986 Boxster - 1998 to 2004 Left Hand Drive (LHD)
Porsche 996 - 2000 to 2005
with M438 (Comfort seat right, electronically adjustable)
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661371601
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Switch seat adjustment RIGHT. Porsche 986 Boxster / 996
- 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:
Porsche 986 LHD vehicles (1997 to 2004)
with M010 (package "Classic"), or
M016 (package "Standard")
Porsche 996 (1998 to 2005)
with M438 (Comfort seat right, electronically adjustable) and
M513 (Lumbar Support, right seat)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661371801
The product you are viewing cross references to these numbers
Shop Securely
12 Month Warranty
Worldwide Delivery
Porsche Seat Parts | Design911 Components for Repair, Adjustment & Restoration
Seat parts are essential to maintaining the comfort, support, and functionality of your Porsche’s interior. Every element — from hinges and sliders to adjustment mechanisms and mounting hardware — plays a key role in providing a secure, ergonomic driving position. Whether you’re restoring a classic Porsche or maintaining a modern performance model, ensuring that all seat components operate smoothly is vital for safety, comfort, and overall driving experience.
At Design911, we supply an extensive range of seat parts and components, including runners, rails, recliner mechanisms, hinges, adjustment handles, brackets, and seat mounts. Each part is designed for accurate fitment, long-term durability, and precise operation. Ideal for interior restorations, seat repairs, or upgrades, our components are crafted from premium materials to maintain Porsche-level comfort and performance.
What Do Seat Parts Do?
Seat parts ensure stability, comfort, and adjustability, providing the perfect driving position while maintaining occupant safety.
Core Functions:
• Enable fore/aft, height, and recline adjustments for comfort and control.
• Secure the seat frame to the chassis for stability and safety.
• Allow smooth sliding and locking through precision-engineered rails.
• Support seat back and cushion structure under load.
• Ensure ergonomic posture for both everyday and performance driving.
Every part contributes to the seamless operation of your seat — ensuring your Porsche’s driving feel remains precise and comfortable.
Why Do Seat Parts Fail or Degrade?
Seat mechanisms and structural components are exposed to constant stress, movement, and environmental factors that can lead to wear or malfunction.
Common Causes of Failure Include:
• Metal fatigue or corrosion from moisture or use over time.
• Worn sliders or seized adjustment rails.
• Damaged recliner mechanisms or broken levers.
• Cracked plastic trims or deteriorated bushings.
• Loose or misaligned mounting hardware.
When seat parts fail, movement, noise, or misalignment can occur — compromising comfort, safety, and driving precision.
Why Replace or Upgrade Your Porsche Seat Parts?
Replacing worn seat components restores functionality, comfort, and structural integrity. Upgrading to enhanced materials or precision-engineered parts ensures long-term performance and perfect fitment.
Key Benefits:
• Restores seat adjustability, alignment, and comfort.
• Eliminates rattles, looseness, and mechanical play.
• Improves driving ergonomics and safety.
• Constructed from high-quality steel, alloy, or reinforced polymer.
• Designed to fit Porsche 911, 944, 968, Boxster, Cayman, and 718 models.
• Ideal for restorations, repairs, and performance interior upgrades.
Design911’s Porsche seat parts provide the reliability and precision that every Porsche driver expects — combining engineering excellence with comfort and durability.
Highlights
• Premium Porsche seat parts, runners, and adjustment
mechanisms.
• Precision-engineered for fitment and long-term reliability.
• Restores seat movement and alignment for comfort and safety.
• Resistant to wear, corrosion, and vibration.
• Compatible with both classic and modern Porsche models.
• Perfect for interior restoration, repair, or tuning projects.