OE Match with PASM
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
This OE Match full suspension package provides all four replacement shock absorbers for PASM-equipped cars, featuring built-in cancellation resistors to prevent dashboard errors. Replacement for adaptive damping system on Porsche 991.1 Turbo / Turbo S (2014–2016), Not suitable for GT2 models.
The kit includes two front replacement PASM shocks (OE ref no: 991343045A5) and two rear replacement PASM shocks (OE ref no: 99133305326) These replacement shock absorbers are compatible with PASM-equipped cars and include built-in cancellation resistors to eliminate dashboard errors. They effectively bypass the Active Suspension Management system, allowing the vehicle to function as though it has standard suspension installed.
Fits:
Porsche 991.1 Turbo / Turbo S 2014 - 2016
Replacement for cars with option codes:
475 - "PASM" Electronic Damper Control
352 - Electronic Damper Control For PASM And PDCC
Diagram ref no 1
- These shock absorbers are not PASM dampers and do not offer PASM-adjustable damping.
- They are designed as standard replacement units with built-in electronics to cancel PASM fault warnings.
- For correct functionality and proper vehicle handling, they must be installed as a full set of four (2 × front shock absorbers + 2 × rear shock absorbers)
- Mixing PASM units with OEMatch replacement units is not permitted and may result in suspension imbalance or fault messages.
Each damper is manufactured to be a direct-fit replacement shocks for PASM vehicles, complete with integrated cancellation resistors so you can upgrade with zero dashboard errors or warning lights, ensuring seamless communication with the PASM control module.
This set is ideal for high-mileage cars, leaking or weakened PASM dampers, or anyone seeking to restore the driving precision, comfort, and stability of the 991 Turbo platform.
As PASM dampers wear, internal valves weaken, seals leak and electronic reaction time slows - reducing the system’s ability to adjust damping. This results in instability, harsh ride quality, reduced grip and unpredictable handling. Replacing all four shocks direct-fit replacement shocks for PASM vehicles, complete with integrated cancellation resistors so you can upgrade with zero dashboard errors or warning lights.
When to replace:
• PASM warning messages or inconsistent adaptive damping
• Excessive body movement, squat, dive or rolling
• Harsh, bouncy or unstable ride on bumps
• Fluid leakage from any shock absorber
• Rear instability or poor steering precision
• Uneven or accelerated tyre wear
• High-mileage suspension (>60k miles) or full chassis refresh
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SUSPENSIONKIT991T.1
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
These replacement shock absorbers are compatible with PASM-equipped cars and include built-in cancellation resistors to eliminate dashboard errors. They effectively bypass the Active Suspension Management system, allowing the vehicle to function as though it has standard suspension installed. Engineered for the Porsche 991.1 Turbo / Turbo S (2014-2016) fitted with the electronic damping system Porsche Active Suspension Management (PASM), not suitable for non-PASM or GT2/GT3 variants.
Fits:
Porsche 991.1 Turbo / Turbo S 2014 - 2016
Replacements for cars with option codes:
475 - "PASM" Electronic Damper Control
352 - Electronic Damper Control For PASM And PDCC
Diagram ref no 1
- These shock absorbers are not PASM dampers and do not offer PASM-adjustable damping.
- They are designed as standard replacement units with built-in electronics to cancel PASM fault warnings.
- For correct functionality and proper vehicle handling, they must be installed as a full set of four (2 × front shock absorbers + 2 × rear shock absorbers)
- Mixing PASM units with OEMatch replacement units is not permitted and may result in suspension imbalance or fault messages.
• Superseding earlier reference numbers: 99134304516, 99134304528, 99134304545, 99134304558
When to replace:
• Ride becomes harsh, bouncy or unstable over bumps
• Noticeable loss of front-end stability during braking or cornering
• PASM shows inconsistent or delayed damping response
• Visible oil leakage from the shock body
• Excessive nose-dive, squat or body roll
• Uneven or accelerated tyre wear
• High-mileage suspension or during a full suspension refresh.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991343045A5
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
These replacement FRONT shock absorbers are compatible with PASM-equipped cars and include built-in cancellation resistors to eliminate dashboard errors. They effectively bypass the Active Suspension Management system, allowing the vehicle to function as though it has standard suspension installed.
SET OF 2 - fits left and right (shock absorbers should only be replaced in pairs.
Fits:
Porsche 991 GT3 / GT3 RS / Speedster
Replacement For cars with Option Codes
474 - Front axle lift function
475 - PASM electronic damper control
- These shock absorbers are not PASM dampers and do not offer PASM-adjustable damping.
- They are designed as standard replacement units with built-in electronics to cancel PASM fault warnings.
- For correct functionality and proper vehicle handling, they must be installed as a full set of four (2 × front shock absorbers + 2 × rear shock absorbers)
- Mixing PASM units with OEMatch replacement units is not permitted and may result in suspension imbalance or fault messages.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991343045A2
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
These replacement shock absorbers are compatible with PASM-equipped cars and include built-in cancellation resistors to eliminate dashboard errors. They effectively bypass the Active Suspension Management system, allowing the vehicle to function as though it has standard suspension installed Engineered for the Porsche 991.1 Turbo / Turbo S (2014-2016) fitted with the electronic damping system Porsche Active Suspension Management (PASM), not suitable for non-PASM or GT2/GT3 variants.
Each shock absorber is supplied singly - so two units (left + right) are required for a complete front-axle refresh.
Sold each, Fits left and right.
Fits:
Porsche 991.1 Turbo / Turbo S 2014 - 2016
Replacements for cars with option codes:
475 - "PASM" Electronic Damper Control
352 - Electronic Damper Control For PASM And PDCC
Diagram ref no 1
- These shock absorbers are not PASM dampers and do not offer PASM-adjustable damping.
- They are designed as standard replacement units with built-in electronics to cancel PASM fault warnings.
- For correct functionality and proper vehicle handling, they must be installed as a full set of four (2 × front shock absorbers + 2 × rear shock absorbers)
- Mixing PASM units with OEMatch replacement units is not permitted and may result in suspension imbalance or fault messages.
• Superseding earlier reference numbers: 99134304516, 99134304528, 99134304545, 99134304558
When to replace:
• Ride becomes harsh, bouncy or unstable over bumps
• Noticeable loss of front-end stability during braking or cornering
• PASM shows inconsistent or delayed damping response
• Visible oil leakage from the shock body
• Excessive nose-dive, squat or body roll
• Uneven or accelerated tyre wear
• High-mileage suspension or during a full suspension refresh.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991343045A5
The product you are viewing cross references to these numbers
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
These replacement FRONT shock absorbers are compatible with PASM-equipped cars and include built-in cancellation resistors to eliminate dashboard errors. They effectively bypass the Active Suspension Management system, allowing the vehicle to function as though it has standard suspension installed.
Sold each - fits left and right (shock absorbers should only be replaced in pairs)
Fits:
Porsche 991 GT3 / GT3 RS / Speedster
Replacement For cars with Option Codes
474 - Front axle lift function
475 - PASM electronic damper control
- These shock absorbers are not PASM dampers and do not offer PASM-adjustable damping.
- They are designed as standard replacement units with built-in electronics to cancel PASM fault warnings.
- For correct functionality and proper vehicle handling, they must be installed as a full set of four (2 × front shock absorbers + 2 × rear shock absorbers)
- Mixing PASM units with OEMatch replacement units is not permitted and may result in suspension imbalance or fault messages.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991343045A2
The product you are viewing cross references to these numbers
Porsche Front Shock Absorbers for PASM | Design911 Adaptive Suspension Components for Precision & Comfort
Front shock absorbers for Porsche Active Suspension Management (PASM) are advanced components designed to dynamically adjust damping force in real time. Controlled electronically, these adaptive dampers continuously respond to road conditions, vehicle load, and driving style — balancing comfort, handling, and performance. Whether cruising smoothly or cornering aggressively, PASM front shock absorbers ensure your Porsche delivers its trademark agility and ride refinement.
At Design911, we supply a comprehensive range of PASM front shock absorbers, engineered for precision fitment, durability, and performance. Manufactured using advanced damping technology and high-strength materials, these components restore the exact responsiveness and comfort of Porsche’s adaptive suspension system. Perfect for maintenance, restoration, or high-performance upgrades, our range ensures your Porsche remains stable, composed, and connected to the road.
What Do Front PASM Shock Absorbers Do?
PASM (Porsche Active Suspension Management) front shock absorbers combine electronic control with hydraulic damping to deliver variable suspension stiffness depending on driving mode and conditions.
Core Functions:
• Adjust damping force electronically for comfort or sport modes.
• Maintain stability and traction on varying surfaces.
• Reduce body roll, pitch, and dive during cornering and braking.
• Enhance steering precision and ride comfort.
• Work with onboard sensors to optimise chassis performance in real time.
In peak condition, PASM shock absorbers provide exceptional handling control and ride comfort, maintaining the ideal balance between performance and luxury.
Why Do PASM Front Shock Absorbers Fail or Degrade?
Even with advanced design, PASM dampers are subject to wear over time from constant motion, fluid pressure, and environmental exposure.
Common Causes of Failure Include:
• Leaking hydraulic fluid reducing damping performance.
• Electronic actuator or solenoid failure.
• Corrosion or contamination of electrical connectors.
• Internal seal wear or piston damage.
• Software faults or sensor malfunctions affecting response.
When these components fail, drivers may notice a rough ride, uneven damping, warning lights, or poor handling — all signs that replacement is required to restore comfort and control.
Why Replace or Upgrade Your Porsche PASM Front Shock Absorbers?
Replacing worn or leaking PASM shock absorbers restores ride comfort, handling precision, and the adaptive system’s full functionality. Upgraded components offer enhanced durability and performance consistency under demanding conditions.
Key Benefits:
• Restores full PASM suspension performance and comfort.
• Improves chassis stability and responsiveness.
• Reduces vibration, noise, and uneven ride quality.
• Constructed from high-quality, corrosion-resistant materials.
• Fits Porsche 911, Panamera, Cayenne, and Macan models equipped with PASM.
• Ideal for adaptive suspension repair, maintenance, or tuning upgrades.
Design911’s Porsche PASM front shock absorbers combine innovation, quality, and precision — ensuring your Porsche handles, rides, and responds exactly as intended.
Highlights
• Premium Porsche PASM adaptive front shock absorbers.
• Precision-engineered for dynamic damping performance.
• Restores ride comfort, control, and system reliability.
• Compatible with Porsche’s Active Suspension Management system.
• High-strength materials ensure long-lasting performance.
• Perfect for servicing, restoration, or adaptive suspension tuning.