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OE Match with PASM

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DISPLAYING 1 to 4 (of 4 products)
99733305332KIT
Product Information
Product Information
Shock Absorbers Rear

oematch

Fits:
Porsche 997 C2 / C2S / C4 / C4S - Car with PASM electronic damper control (I475)




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Related, superseded, cross reference or alternative numbers for comparison.

99733305332KIT
99733305332
99733305330

The product you are viewing cross references to these numbers
99733304911/1KIT
Product Information
Product Information
Shock Absorbers (PAIR), Rear With PASM.
Left And Right.

Fits:
Porsche 997.1 Carrera 4 TARGA / Carrera 4S TARGA MKI 2005>>2008
Porsche 997.2 Carrera 4 TARGA / Carrera 4S TARGA MKII 2009>>2012
Cars With Option Codes:
475 - "PASM" Electronic Damper Control

Diagram Ref No 1

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Related, superseded, cross reference or alternative numbers for comparison.

99733304911
99733304911
99733304910
99733304903
99733304904

The product you are viewing cross references to these numbers
Special Offer
99733305332/1
Product Information
Product Information
Shock Absorber Rear

oematch

Fits:
Porsche 997 C2 / C2S / C4 / C4S - Car with PASM electronic damper control (I475)

Please Note:
Price is for each damper you will need to buy 2


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Related, superseded, cross reference or alternative numbers for comparison.

99733305332
99733304903
99733305320
99733305325
99733305330
99733305327
99733305337 26-147543
26147543
99733305324
99733305336
99733304910
99733305320
99733305322
99733305326
99733305331

The product you are viewing cross references to these numbers
99733304911/1
Product Information
Product Information
Shock Absorber, Rear With PASM.
Sold Each.
Fits Left And Right.

Fits:
Porsche 997.1 Carrera 4 TARGA / Carrera 4S TARGA MKI 2005>>2008
Porsche 997.2 Carrera 4 TARGA / Carrera 4S TARGA MKII 2009>>2012
Cars With Option Codes:
475 - "PASM" Electronic Damper Control

Diagram Ref No 1

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Related, superseded, cross reference or alternative numbers for comparison.

99733304911
99733304911
99733304910
99733304903
99733304904

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About OE Match with PASM

Porsche Rear Shock Absorbers for PASM | Design911 Adaptive Suspension Components for Ride Comfort & Precision Handling

Rear shock absorbers for Porsche Active Suspension Management (PASM) are sophisticated components that combine hydraulic damping with electronic control for adaptive performance. By automatically adjusting damping levels based on road conditions, speed, and driving mode, PASM rear shocks deliver exceptional comfort and agility — ensuring your Porsche maintains perfect composure and balance.

At Design911, we offer a comprehensive range of PASM rear shock absorbers, precision-engineered to meet the highest performance standards. Each unit is built using advanced materials, durable seals, and electronic actuators for consistent responsiveness. Ideal for servicing, suspension restoration, or performance upgrades, these components ensure your Porsche’s adaptive suspension continues to deliver maximum stability, traction, and control.

What Do Rear PASM Shock Absorbers Do?

Rear PASM shock absorbers form part of Porsche’s electronically controlled adaptive suspension system, automatically adjusting damping force in real time to maintain balance and ride comfort.

Core Functions:
• Electronically adjust damping stiffness for comfort or sport modes.
• Maintain rear-end stability under acceleration, braking, and cornering.
• Reduce vibration, pitch, and roll for smoother ride quality.
• Improve traction and control in variable road conditions.
• Work seamlessly with Porsche’s electronic control modules for precision handling.

In optimal condition, PASM rear shocks ensure the perfect blend of agility and comfort that defines Porsche’s suspension engineering.

Why Do Rear PASM Shock Absorbers Fail or Degrade?

Rear adaptive dampers operate under high pressure and constant motion, leading to gradual wear over time — particularly in performance or high-mileage vehicles.

Common Causes of Failure Include:
• Internal hydraulic fluid leaks reducing damping effectiveness.
• Electronic actuator or solenoid malfunction.
• Corrosion or contamination of electrical connectors.
• Seal deterioration from heat or moisture exposure.
• Sensor or control module communication faults.

When PASM shock absorbers begin to fail, drivers may experience harsh ride quality, warning lights, or reduced handling precision — clear indicators that inspection or replacement is necessary.

Why Replace or Upgrade Your Porsche Rear PASM Shock Absorbers?

Replacing worn or faulty adaptive dampers restores full PASM functionality and ensures your Porsche’s suspension delivers comfort and control as designed. Performance-tuned replacements can also enhance handling response and system reliability.

Key Benefits:
• Restores smooth ride quality and adaptive damping accuracy.
• Improves handling precision, traction, and rear-end stability.
• Eliminates suspension faults and uneven ride response.
• Engineered from corrosion-resistant, high-strength materials.
• Fits Porsche 911, Panamera, Cayenne, and Macan models with PASM.
• Perfect for adaptive suspension repairs, restorations, or upgrades.

Design911’s Porsche PASM rear shock absorbers combine engineering excellence with durability — ensuring your Porsche remains refined, balanced, and dynamic across all driving conditions.

Highlights

• Premium Porsche PASM adaptive rear shock absorbers.
• Precision-calibrated for comfort and sport damping modes.
• Restores performance, ride comfort, and suspension balance.
• Compatible with Porsche Active Suspension Management systems.
• High-quality materials for long-term reliability.
• Ideal for maintenance, performance tuning, or full restoration.

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