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Coil Springs REAR
By OE Match
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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
SET OF 2
We strongly recommend replacing coil springs in pairs.
Fits:
Porsche 991.2 Carrera 2 / 2S 2017 - 2019
Porsche 991.2 Carrera 4 / 4S 2017 - 2019
* Cars with Sport suspension (option code: 030)
* Cars with Sport chassis with PASM and PDCC (option code: 031)
Diagram ref no 8
This spring set supports the axle load and manages suspension movement during braking, acceleration, and cornering. Replacing both springs together ensures even load distribution, symmetrical ride height, and predictable handling response.
Installed within the suspension assembly, the coil springs compress and rebound with suspension travel to absorb road impacts and stabilise the vehicle body. Working together as a matched pair, they 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 lead to uneven ride height and compromised handling. Installing a pair restores correct suspension geometry, factory stance, and predictable driving dynamics.
When to replace:
• Ride height appears uneven or sagging
• Increased body roll or reduced handling precision
• Visible corrosion, cracks, or spring fatigue
• During shock or strut replacement
• As part of a suspension refresh or alignment correction
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99133353115504
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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
Suitable for Coupe, Cabriolet & Targa models equipped with standard PASM (PR 352, 475, or 477).

Porsche 991-2 Carrera 2017-19
NOTE: These coil springs are not suitable for vehicles with PASM Sport (PR 030 / 031).
Diagram ref. 12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99133353105504
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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
Restore the intended rear ride height, suspension response and chassis balance of your Porsche with this OE Match Rear Coil Spring Kit for Sports Suspension (M030 / M031).
Kit Contents:
x2 Rear Coil Springs (99133353115504/1)
x2 Circlip (99915216300)
x2 Spring Disc (9P1512103A)
x2 Bellow (9P1512137A/1)
x2 Bump Stop (99133310501)
x2 Upper Base (99133350400/1)
x2 Spacer (99133351100/1)
x2 Top Mount Insert (99133369101)
x2 Washer (WHT008575/1)
x2 Nut (WHT008558)
Fits:
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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 equipped with the specified M030 / M031 Sports Suspension, this kit provides replacement components for the rear spring assembly and is suitable for repairing ageing, worn, damaged or corroded suspension components.
The rear coil springs support the vehicle's weight while allowing controlled vertical wheel movement over bumps and changing road surfaces. Working together with the rear shock absorbers and associated suspension components, they help establish ride height, control weight transfer and maintain predictable rear-axle behaviour during acceleration, braking and cornering.
Sports suspension systems depend on springs with the correct characteristics. A weakened, sagging, broken or incorrectly specified spring can alter ride height and suspension geometry, potentially affecting handling balance, traction, tyre wear and stability.
Replacing deteriorated components with this OE Match M030 / M031 Rear Coil Spring Kit helps restore the rear suspension closer to its intended operating condition.
What This Product Does:
- Support the weight carried by the rear suspension.
- Maintain the specified rear ride height.
- Allow controlled suspension movement over uneven surfaces.
- Work together with the rear shock absorbers.
- Maintain the intended M030 / M031 Sports Suspension characteristics.
- Support predictable rear-axle behaviour.
- Help control body movement during cornering.
- Manage weight transfer during acceleration and braking.
- Maintain appropriate rear suspension geometry.
- Support consistent tyre contact with the road.
- Help maintain chassis balance between the front and rear axles.
- Restore worn or damaged rear suspension components.
- Provide an OE Match replacement solution for compatible Porsche applications.
Symptoms Of Wear Or Failure:
- Broken or fractured spring coils.
- Rear of the vehicle sitting lower than normal.
- One rear corner sitting lower than the other.
- Uneven ride height.
- Excessive rear suspension sag.
- Reduced ground clearance.
- Knocking or clunking from the rear suspension.
- Metallic noises over bumps.
- Spring moving or sitting incorrectly in its seat.
- Suspension bottoming out more frequently.
- Excessive body movement.
- Rear of the vehicle feeling unsettled.
- Reduced handling precision.
- Unusual behaviour during acceleration or braking.
- Uneven or accelerated rear tyre wear.
- Visible corrosion on the springs.
- Damaged protective spring coating.
- Cracked or deteriorated spring mounting components.
Why Replacement Matters:
- Coil springs are fundamental load-bearing suspension components.
- They help determine vehicle ride height and maintain the designed relationship between the body, wheels and suspension geometry.
- A severely fractured spring may also become displaced from its intended seating position, potentially causing damage to surrounding components.
- Replacing defective springs helps restore controlled and predictable rear suspension operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SUSPENSIONKIT991.2.M030-RR
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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
Sold individually – two springs are required per front axle.
We strongly recommend replacing coil springs in pairs.
Fits:
Porsche 991.2 Carrera 2 / 2S 2017 - 2019
Porsche 991.2 Carrera 4 / 4S 2017 - 2019
* Cars with Sport suspension (option code: 030)
* Cars with Sport chassis with PASM and PDCC (option code: 031)
Diagram ref no 8
This coil spring supports one side of the vehicle’s suspension, managing compression and rebound during braking, acceleration, and cornering. It helps maintain correct ride height and contributes to stable, predictable handling characteristics.
Installed within the suspension assembly, the spring compresses and expands with suspension travel to absorb road impacts and control body movement. Proper 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, negatively affecting handling, tyre wear, and comfort. Replacing tired springs restores factory-style suspension balance and driving confidence.
When to replace:
• Ride height appears uneven or sagging
• Increased body roll or reduced handling precision
• Visible corrosion, cracks, or spring fatigue
• During shock or strut replacement
• As part of a suspension refresh or alignment correction
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99133353115504
The product you are viewing cross references to these numbers
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- 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 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / 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
Sold individually; two (x2) required per vehicle. We strongly recommend replacing coil springs in pairs.

Porsche 991-2 Carrera 2017-19
NOTE: These coil springs are not suitable for vehicles with PASM Sport (PR 030 / 031).
Diagram ref. 12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99133353105504
The product you are viewing cross references to these numbers
OEMatch Coil Springs REAR — Control, Stability, Comfort
Rear coil springs for Porsche models support the rear axle and help maintain ride height, traction and balance. They work with dampers to absorb road shocks, preserve suspension geometry and contribute to predictable handling under acceleration, braking and cornering. These springs suit service, restoration and sympathetic tuning.
Available Types
- Standard replacement rear coil springs for service and restoration
- Progressive-rate rear springs to reduce body roll during dynamic driving
- Lowering springs for reduced ride height where compatible with vehicle setup
Understanding OEMatch Coil Springs REAR
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original rear coil springs.
OE (Original Equipment) refers to parts matching original specifications for the rear coil springs and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM rear coil springs engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Rear coil springs are commonly formed from high-tensile steel and finished to resist corrosion. They provide the static support for the rear of the vehicle, define ride height, and determine how the suspension responds under load. OEMatch provides a wide range of Porsche suspension items, with thousands of part references catalogued to support servicing across many model years.
Benefits Include
- Restores correct rear ride height and suspension geometry
- Improves stability and traction under acceleration and cornering
- Reduces body roll and enhances predictable handling
Why Coil Springs REAR Wear and Fail
- Metal fatigue from repeated compression cycles leads to sag or breakage
- Corrosion and surface pitting weaken coils and can cause fractures
- Overloading, impacts or debris damage can deform or break springs
The Importance of Replacing with OEMatch Coil Springs REAR
Replacing worn or broken rear coil springs restores suspension balance and ride height, helping maintain Porsche-specific handling characteristics. Correct springs preserve alignment and load distribution, reduce unwanted body movements and support predictable braking and traction. Using springs matched to the vehicle’s specifications aids consistent chassis behaviour and supports other suspension components.
Advantages
- Made to original-spec dimensions where applicable to maintain geometry
- Available in standard and progressive rates for different priorities
- Finished to resist corrosion and designed for long service life