Front Coil Spring Kit With PASM. Porsche 991.2 C4 / C4S 2016-19  ❭  SUSPENSIONKIT991.2.C4.PASM-FR

Front Coil Spring Kit With PASM. 

Restore the correct front ride height, suspension control and chassis response of your Porsche with this OE Match Front Coil Spring Kit for vehicles equipped with PASM (Porsche Active Suspension Management).

Kit Contents:
x2 Front Coil Springs (99134353131504/1)
x2 Concave Washer (9P1412103/1)
x2 Bellow (9P1412137A/1)
x2 Bump Stop (99134330103/1)
x2 Top Mount Underlay (9P1412149/1)
x2 Compensation Washer (9P1412269/1)
x2 Mount Bearing (99134350103/1)
x2 Top Nut (PAF00855000)

Fits:

• Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19  

Designed for compatible Porsche applications with PASM, this kit provides replacement components for the front spring assembly, making it ideal for repairing worn, corroded or damaged suspension components as part of a comprehensive front suspension overhaul.

The front coil springs support the weight of the vehicle while allowing the wheels to move over bumps and uneven road surfaces. Working together with the PASM-controlled dampers and associated suspension components, the springs help maintain the correct ride height, suspension geometry, steering response and overall chassis balance.

PASM electronically adjusts damper characteristics according to driving conditions and the selected driving mode. However, the system still depends on mechanically sound springs and mounting components. A weakened, sagging or broken spring can compromise suspension geometry and prevent the chassis from performing as intended.

Replacing deteriorated components with this OE Match Front Coil Spring Kit with PASM helps restore controlled suspension movement, correct vehicle stance and predictable handling.

What This Product Does:

• Support the weight of the front of the vehicle.
• Maintain the specified front ride height.
• Allow controlled suspension movement.
• Work correctly alongside the PASM dampers.
• Maintain appropriate front suspension geometry.
• Support precise steering response.
• Help maintain front-end stability.
• Control body movement in conjunction with the dampers.
• Support stable braking and cornering.
• Maintain consistent tyre contact with the road.
• Replace worn or damaged front spring components.
• Restore the mechanical foundation required for effective PASM operation.
• Provide an OE Match replacement solution for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Broken or fractured spring coils.
• Front of the vehicle sitting lower than normal.
• One front corner sitting lower than the other.
• Uneven ride height.
• Excessive suspension sag.
• Reduced ground clearance.
• Knocking or clunking from the front suspension.
• Metallic noises when travelling over bumps.
• Noise during steering.
• Spring moving within its seat.
• Suspension bottoming out.
• Increased body movement.
• Reduced steering precision.
• Unsettled handling.
• Vehicle pulling or feeling unstable.
• Uneven or accelerated tyre wear.
• Visible corrosion on the springs.
• Damaged spring coating.
• Deteriorated spring seats or mounting components.  

Why Replacement Matters:

• Coil springs are structural suspension components responsible for supporting the vehicle's weight and maintaining the intended ride height.
• A severely fractured spring may also move from its intended seating position and potentially interfere with surrounding components.
• Replacing defective springs helps restore safe, controlled and predictable suspension behaviour.

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

SUSPENSIONKIT991.2.C4.PASM-FR

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