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Porsche > 991 (911) MK1 2012-2016 > 991.1 Carrera C4 3.4L (350Bhp) 2012-16 > Suspension & Axle >

Coil Springs FRONT

Coil Springs FRONT

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DISPLAYING 1 to 7 (of 7 products)
Coil springs FRONT, SET OF 2. Porsche 991 C4 / C4S 2012-19 - 99134353125504, 99134353131504 - 102344
2
Coil springs FRONT, SET OF 2. Porsche 991 C4 / C4S 2012-19
99134353131504/1KIT
Product Information
Product Information
Standard replacement coil springs - suitable for models equipped with PASM / PDDC  (option codes: 352 / 475 / 477)

SET OF 2
We strongly recommend replacing coil springs in pairs. 

Fits:
Porsche 991.1 Carrera 4 / 4S 2012 - 2016
Porsche 991.1 Targa 4 / 4S 2012 - 2016
Porsche 991.2 Carrera 4 / 4S  2016 - 2019
Porsche 991.2 Targa 4 / 4S  2016 - 2019
* for cars Electronic damper control for PASM and PDCC (option code: 352)
* for cars "PASM" electronic damper control (option code: 475)
* for cars PASM w/o lowering (option code: 477)

Diagram ref no 7

This spring set supports the full front axle load and controls suspension movement during braking, acceleration, and cornering. Replacing both front springs together ensures even load distribution, symmetrical ride height, and predictable handling characteristics.

Installed between the lower control arms and front strut assemblies, the coil springs compress and rebound with suspension travel. Working together as a matched pair, they absorb road impacts, stabilise the vehicle body, and help maintain consistent tyre contact for confident steering response and ride comfort.

Coil springs weaken and sag over time due to constant load, mileage, and road conditions. Replacing only one spring can result in uneven ride height and compromised handling. Installing a pair restores correct suspension geometry, factory stance, and predictable driving dynamics

When to replace:
• Front ride height appears uneven or sagging
• Increased body roll or reduced handling precision
• Visible corrosion, cracks, or spring fatigue
• During front shock or strut replacement
• As part of a front suspension refresh

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Related, superseded, cross reference or alternative numbers for comparison.

99134353131504
99134353125504
99134353131504

The product you are viewing cross references to these numbers
Coil springs FRONT, SET OF 2. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029) - 99134353123504 - 102352
2
Coil springs FRONT, SET OF 2. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029)
99134353123504/1KIT
Product Information
Product Information
Standard replacement coil spring - suitable for models with Standard chassis  (option code: 029)

SET OF 2
We strongly recommend replacing coil springs in pairs. 

Fits:
Porsche 991.1 Carrera 4 / 4S / 4 GTS 2012 - 2016
Porsche 991.1 Targa 4 GTS 2012 - 2016
* For cars with Standard chassis (option code: 029)

Diagram ref no 10

This spring set supports the full front axle load and manages suspension movement during braking, acceleration, and cornering. Replacing both front springs together ensures even load distribution, symmetrical ride height, and predictable handling characteristics.

Installed between the lower control arms and front strut assemblies, the coil springs compress and rebound with suspension travel. Working together as a matched pair, they absorb road impacts, stabilise the vehicle body, and help maintain consistent tyre contact, steering accuracy, and ride comfort.

Coil springs weaken and sag over time due to constant load, mileage, and road conditions. Replacing only one spring can result in uneven ride height and compromised handling. Installing a pair restores correct suspension geometry, factory stance, and predictable driving dynamics.

Replace this part if you experience any of the following:
•  Uneven or sagging front ride height
•  Excessive body roll or unstable handling
•  Cracks, corrosion, or visible spring fatigue
•  Suspension overhaul, shock absorber replacement, or alignment work
•  After significant mileage or heavy track/road use

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

99134353123504
99134353123504

The product you are viewing cross references to these numbers
Coil spring FRONT. Porsche 991 C4 / C4S 2012-19 - 99134353125504, 99134353131504 - 102344
2
Coil spring FRONT. Porsche 991 C4 / C4S 2012-19
99134353131504/1
Product Information
Product Information
Standard replacement coil spring - suitable for models equipped with PASM / PDDC  (option codes: 352 / 475 / 477)

Sold individually – two springs are required per front axle.
We strongly recommend replacing coil springs in pairs. 

Fits:
Porsche 991.1 Carrera 4 / 4S 2012 - 2016
Porsche 991.1 Targa 4 / 4S 2012 - 2016
Porsche 991.2 Carrera 4 / 4S  2016 - 2019
Porsche 991.2 Targa 4 / 4S  2016 - 2019
* for cars Electronic damper control for PASM and PDCC (option code: 352)
* for cars "PASM" electronic damper control (option code: 475)
* for cars PASM w/o lowering (option code: 477)

Diagram ref no 7

This coil spring supports one front corner of the vehicle, managing suspension compression and rebound during braking, acceleration, and cornering. It helps maintain proper ride height and contributes to stable, predictable handling.

Installed between the lower control arm and the front strut assembly, the spring compresses and expands with suspension travel, absorbing road impacts and controlling body movement. Correct spring performance is essential for maintaining tyre contact, steering accuracy, and overall ride comfort.

Over time, coil springs can weaken or sag due to constant load, mileage, and road conditions. A worn spring can alter ride height and suspension geometry, affecting handling and tyre wear. Replacing tired springs restores factory-style suspension balance and driving confidence.

When to replace:
• Front ride height appears uneven or sagging
• Increased body roll or reduced handling precision
• Visible corrosion, cracks, or spring fatigue
• During front shock or strut replacement
• As part of a front suspension refresh

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

99134353131504
99134353125504
99134353131504

The product you are viewing cross references to these numbers
Coil spring FRONT. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029) - 99134353123504
2
Coil spring FRONT. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029)
99134353123504/1
Product Information
Product Information
Standard replacement coil spring - suitable for models with Standard chassis  (option code: 029)

Sold individually – two springs are required per front axle.
We strongly recommend replacing coil springs in pairs. 

Fits:
Porsche 991.1 Carrera 4 / 4S / 4 GTS 2012 - 2016
Porsche 991.1 Targa 4 GTS 2012 - 2016
* For cars with Standard chassis (option code: 029)

Diagram ref no 10

This coil spring supports one front corner of the vehicle, managing suspension compression and rebound during braking, acceleration, and cornering. It contributes to stable ride height, predictable handling, and balanced suspension response.

Installed between the lower control arm and the front strut assembly, the spring compresses and expands with suspension travel. It absorbs road impacts, controls body movement, and helps maintain proper tyre contact, steering accuracy, and ride comfort.

Over time, coil springs can weaken or sag due to constant load, mileage, and road conditions. A worn spring can alter ride height and suspension geometry, affecting handling, tyre wear, and comfort. Replacing tired springs with new components restores factory-style suspension balance and driving confidence.

Replace this part if you experience any of the following:
•  Uneven or sagging front ride height
•  Excessive body roll or unstable handling
•  Cracks, corrosion, or visible spring fatigue
•  Suspension overhaul, shock absorber replacement, or alignment work
•  After significant mileage or heavy track/road use

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

99134353123504
99134353123504

The product you are viewing cross references to these numbers
Coil springs FRONT PAIR. Porsche 991 C4 / C4S 2012-19 - 99134353125504, 99134353131504
2
Coil springs FRONT PAIR. Porsche 991 C4 / C4S 2012-19
Special Order item
99134353131504
Product Information
Product Information
Standard replacement coil springs.
The springs are priced / boxed as a pair.

Identification paint coloured marking Pure White / Zinc Yellow

Fits:
Porsche 991.1 Carrera 4 / 4S 2012 - 2016
Porsche 991.1 Targa 4 / 4S 2012 - 2016
Porsche 991.2 Carrera 4 / 4S  2016 - 2019
Porsche 991.2 Targa 4 / 4S  2016 - 2019
* for cars Electronic damper control for PASM and PDCC (option code: 352)
* for cars "PASM" electronic damper control (option code: 475)
* for cars PASM w/o lowering (option code: 477)

Diagram ref no 7

AA genuine Porsche front suspension coil spring, manufactured to OEM standards for material quality, dimensional accuracy, and durability. This spring is designed to integrate seamlessly with factory dampers and suspension components.

The coil spring supports the front axle load and controls vertical suspension movement during braking, acceleration, and cornering. It helps maintain correct ride height, balanced weight distribution, and predictable handling response.


Installed between the lower control arms and front strut assemblies, the coil springs compress and rebound with suspension travel. Their sport-tuned spring rates work in harmony with Porsche dampers to absorb road inputs while maintaining increased stability, steering precision, and performance-oriented ride characteristics.

Over time, constant load, aggressive driving, and road impacts can cause springs to weaken or sag, affecting suspension geometry and performance. Replacing worn springs restores factory ride height, handling balance, and the sharp driving characteristics Porsche intended.

When to replace:
• Front ride height appears lower or uneven
• Noticeable increase in body roll or reduced handling precision
• Springs show corrosion, cracks, or fatigue
• As part of a sports suspension refurbishment or alignment correction



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

99134353131504
99134353125504
99134353131504

The product you are viewing cross references to these numbers
Coil springs FRONT PAIR. Porsche 991.1 Carrera 4 / 4S - 99134353113504
1
Coil springs FRONT PAIR. Porsche 991.1 Carrera 4 / 4S
Special Order item
99134353113504
Product Information
Product Information
Standard replacement coil springs.
The springs are priced / boxed as a pair.

Identification paint coloured marking Yellow-green / Violet

Fits:
Porsche 991.1 Carrera 4 / 4S 2012-16
For cars with Sports suspension (option code: 030)
For cars with Sports chassis with PASM and PDCC (option code: 031)


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

99134353113504
99134353113504

The product you are viewing cross references to these numbers
Coil springs FRONT PAIR. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029) - 99134353123504
2
Coil springs FRONT PAIR. Porsche 991.1 Carrera 4 / 4S / GTS 2012-16 *Standard chassis (M029)
Special Order item
99134353123504
Product Information
Product Information
Standard replacement coil springs.
The springs are priced / boxed as a pair.

Identification paint coloured marking Zinc Yellow / Light blue

Fits:
Porsche 991.1 Carrera 4 / 4S / 4 GTS 2012 - 2016
Porsche 991.1 Targa 4 GTS 2012 - 2016
* For cars with Standard chassis (option code: 029)

Diagram ref no 10

A genuine Porsche front coil spring pair, manufactured to Porsche’s exact OEM standards for material quality, dimensional accuracy, and durability. This set includes two front springs, designed to be installed together on the front axle.

These springs support the full front axle load and regulate suspension movement during braking, acceleration, and cornering. Replacing both springs as a matched pair ensures even ride height, correct weight distribution, and consistent handling response.

Installed between the lower control arms and the front strut assemblies, the coil springs compress and rebound with suspension travel. Their precisely tuned spring rates work in harmony with Porsche dampers to absorb road impacts, stabilise the vehicle body, and maintain accurate steering and tyre contact.

Replace this part if you experience any of the following:
•  Uneven or sagging front ride height
•  Excessive body roll or unstable handling
•  Cracks, corrosion, or visible spring fatigue
•  Suspension overhaul, shock absorber replacement, or alignment work
•  After significant mileage or heavy track/road use

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

99134353123504
99134353123504

The product you are viewing cross references to these numbers
DISPLAYING 1 to 7 (of 7 products)
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About Coil Springs FRONT

Porsche Front Coil Springs | Design911 Suspension Components for Ride Height, Handling & Comfort

Front coil springs are a fundamental part of your Porsche’s suspension system, supporting the vehicle’s weight and absorbing road impact to provide balanced ride height, comfort, and stability. They work in conjunction with dampers (shock absorbers) to maintain consistent contact between the tyres and the road surface, ensuring precise handling, traction, and steering control. Whether on the road or track, strong and properly calibrated springs are essential for the performance and balance expected from a Porsche.

At Design911, we offer a complete range of front coil springs engineered for precision fitment, durability, and performance. Manufactured using high-tensile steel or performance alloys, each spring is tuned to deliver consistent compression rates and long-term reliability. Perfect for routine maintenance, suspension restoration, or performance upgrades, our springs help maintain correct ride height and restore the sharp, composed handling Porsche drivers demand.

What Do Front Coil Springs Do?

Front coil springs are designed to support the front axle, absorb shock, and stabilise the chassis during acceleration, braking, and cornering.

Core Functions:
• Absorb road impacts to maintain comfort and control.
• Support the front weight of the vehicle and maintain ride height.
• Ensure consistent wheel contact for maximum grip.
• Work with shock absorbers to improve handling precision.
• Balance suspension geometry for predictable steering response.

Healthy, well-balanced coil springs are crucial for safety, handling, and comfort — allowing your Porsche to perform with agility and confidence.

Why Do Front Coil Springs Fail or Degrade?

Coil springs are constantly under compression and exposed to harsh road conditions, moisture, and temperature fluctuations, leading to gradual wear or damage.

Common Causes of Failure Include:
• Metal fatigue from continuous compression cycles.
• Corrosion or rust leading to cracks and fractures.
• Uneven road conditions causing excessive stress on one side.
• Overloading or lowered ride height setup affecting spring rate.
• Age-related sagging or reduced tension.

When coil springs fail, symptoms may include uneven ride height, poor handling balance, clunking noises, and reduced steering stability — all signs it’s time for replacement.

Why Replace or Upgrade Your Porsche Front Coil Springs?

Replacing worn or damaged coil springs restores ride height, steering response, and chassis balance. Upgrading to performance-tuned or progressive-rate springs can also enhance cornering ability and reduce body roll.

Key Benefits:
• Restores original ride height and front-end stability.
• Improves handling and weight distribution.
• Reduces body roll and enhances suspension control.
• Constructed from high-tensile, corrosion-resistant materials.
• Available for Porsche 911, 944, 968, Boxster, Cayman, Cayenne, and Macan models.
• Ideal for performance upgrades, servicing, or restoration projects.

Design911’s Porsche front coil springs deliver durability, precision, and performance — ensuring your Porsche handles, rides, and feels exactly as intended.

Highlights

• Premium Porsche front coil springs for all models.
• High-strength steel or alloy construction.
• Restores ride height, handling, and suspension balance.
• Precision-engineered for comfort and control.
• Suitable for both classic and modern Porsche models.
• Perfect for servicing, restoration, or performance upgrades.

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