Rear Bumpers
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- Porsche 991 GT3 Cup 2018-2019
Fits:
Porsche 991.2 Turbo 2017>>
For cars with Park Assist, front & rear. Without reversing camera (I636)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150592300
The product you are viewing cross references to these numbers
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Fits:
Porsche 991.2 Carrera 2 - 2016 to 2019
Product Description
Rennline's carbon fiber rear diffuser is a great way to give the rear of your 991.2 an eye catching OEM+ upgrade by replacing the boring plastic unit. Made from hand-laid carbon fiber using the latest manufacturing technologies, our diffuser is sure to add a completely bespoke feel to the rear of your 991.2.
- Hand-laid carbon fiber construction
- High gloss finish with UV and heat protection
- Complete carbon fiber replacement for OEM diffuser
- Designed from the ground up using state of the art 3D scanning technology
- Installs in place of OEM unit with no adhesive
- OEM fit and finish
Fitment Guide:
For cars with standard exhaust system - non Sports Exhaust
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
E377
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19

Fits:
Porsche 991 GT3 2018>>
Porsche 991 Speedster
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581180OK1
The product you are viewing cross references to these numbers
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
.

Material: Polyethylene plastic (PP)
Please note: This item is special order only. Not stocked. Please allow approx 10-12 weeks for delivery.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991GT2RBP.2
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19

Fits:
Porsche 991.2 911 GT2 RS
The rear diffuser is designed to increase downforce to the rear end, creating increased stability and handling.
Made of pre-preg autoclave carbon fiber construction with a high glossy finish.
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
Fits
Porsche 991.2 Turbo 2017>>
NOT for cars with Turbo Aerokit.
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581103OK1
The product you are viewing cross references to these numbers
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19

Fits:
Porsche 991.2 GTS 2017-19
Porsche 991.2 C4 / C4S (for cars with factory PSE option 176)
Prepreg dry carbon fibre with high polished black finish
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991.2C4GTSCARBREARSPLIT
The product you are viewing cross references to these numbers
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
Fits:
Porsche 991.2 - 2019 to 2024
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581104
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Carrera S | 4S | GTS (PSE)
The 991.2 rear diffuser evo ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance. An important component for both cooling and aerodynamics. Ensuring the removal of hot air. Optimized exhaust system cooling like the GT models. (vented diffuser frame incl. mesh grills).
This rear diffuser is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.42.3042
The product you are viewing cross references to these numbers
- Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19

Fits:
Porsche 991.2 (for cars with factory PSE option 176)
Prepreg dry carbon fibre with high polished black finish
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991.2CARBREARDIFFPSE
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Carrera S | 4S | GTS (PSE)
The 991.2 rear diffuser ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance.
This rear diffuser is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.42.3040
The product you are viewing cross references to these numbers
- Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Turbo | Turbo S
The 991.2 Turbo rear diffuser ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your porsche a unique appearance.
Our rear diffuser ensures the highest possible downforce. An important component for both cooling and aerodynamics.
Ensuring the removal of hot air. Optimized exhaust system cooling like the GT models. (vented diffuser frame incl. mesh grills)
This rear diffuser is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.22.3040
The product you are viewing cross references to these numbers
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
For cars with Sport Exhaust Package

Fits:
Porsche 991.2 - 2016 to 2018
Product Description
Rennline's carbon fiber rear diffuser is a great way to give the rear of your 991.2 an eye catching OEM+ upgrade by replacing the boring plastic unit.
Made from hand-laid carbon fiber using the latest manufacturing technologies, our diffuser is sure to add a completely bespoke feel to the rear of your 991.2.
- Hand-laid carbon fiber construction
- High gloss finish with UV and heat protection
- Complete carbon fiber replacement for OEM diffuser
- Designed from the ground up using state of the art 3D scanning technology
- Installs in place of OEM unit with no adhesive
- OEM fit and finish
- Replaces OE Part Number - 99150581104OK1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
E378
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Fits Coupe and Cabriolet
Porsche 991.2 turbo
Porsche 991.2 turbo S
Available in gloss or matt carbon fibre finish
The Porsche 911 Turbo models make promises to performance, tradition and last but not least to technological leadership. A distinctive design as well as meaningful proportions and innovative aerodynamics express these attributes evidently.
The TECHART aerodynamic trims add another feature which is just as important: your personal character traits an individual styling highlights. It also copes with the characteristic design language of the basic vehicle in a technical, qualitative and stylistic way.
Please note:
This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
09112158700
The product you are viewing cross references to these numbers
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Fits Coupe and Cabriolet
Porsche 991.2 Carrera / Carrera S
Porsche 991.2 Carrera 4 / Carrera 4S
Porsche 991.2 Targa 4 /Targa 4S
Porsche 991.2 GTS / GT4S / Targa 4 GTS
Available in black PU material to be painted
The Porsche 911 models make promises to performance, tradition and last but not least to technological leadership. A distinctive design as well as meaningful proportions and innovative aerodynamics express these attributes evidently.
The TECHART aerodynamic trims add another feature which is just as important: your personal character traits an individual styling highlights. It also copes with the characteristic design language of the basic vehicle in a technical, qualitative and stylistic way.
Please note:
This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
091100552009
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 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
Porsche Rear Bumpers
At Design911, we supply a wide range of rear bumpers for Porsche models, helping you maintain, personalise and enjoy your car.
Why do Porsche Rear Bumpers matter?
Rear bumpers affect how the back of your Porsche looks and how it copes with everyday knocks. Over time they can suffer from impacts, scuffs, UV fading or cracking, or simply start to look tired compared with the rest of the car. Replacing tired or damaged bumpers helps your Porsche feel better cared for and can prevent small niggles turning into larger jobs later on.
- Keep your Porsche looking smart rather than tired or neglected
- Help protect the rear bodywork from minor impacts and corrosion
- Reduce niggles such as misalignment, rattles or mismatched paint
- Support long-term enjoyment, pride of ownership and potential resale value
Common options & kits
Individual replacement parts
Specific items to address a particular area or issue without changing everything at once.
- Ideal for targeted repairs after scratches, dents or cracks
- Lets you replace only what is needed (skin, carrier, trims, brackets)
- Helps keep initial repair costs under control
Matched sets or pairs
Components supplied together so both sides or related items are renewed at the same time.
- Consistent fit, finish and panel gaps across the rear end
- Helps avoid uneven wear, colour mismatch or ageing
- A sensible choice when refreshing the full rear bumper area
Complete kits
Grouped parts designed to refresh a whole system or area in one go, useful for upgrades and restorations.
- Everything specified in a single package for a given Porsche model or conversion
- Saves time compared with sourcing bumper, supports and trims individually
- Ideal when upgrading to sport, GT or widebody styles, or during restoration
Brands & quality options
At Design911, we stock genuine Porsche parts where available, plus OEM-equivalent and carefully selected aftermarket brands. This lets you choose between keeping things original, adding subtle upgrades or managing budgets on everyday maintenance.
DelaVilla
DesignTek
Fibre Glass
FibreTek
Jacquemond
When should you review or replace your Porsche rear bumpers?
Checking rear bumpers regularly helps you spot impact damage, warping or age-related deterioration before it affects appearance, alignment or leads to more expensive body repairs later on.
- Existing bumpers are scratched, cracked, distorted, poorly repaired or missing trims
- You notice poor alignment with the rear wings, lights or engine lid after bodywork
- The car has had a body conversion or widebody kit and the old bumper no longer fits correctly
- Paint is badly faded, peeling or weathered compared with the rest of the Porsche
- You want a sportier, GT or OEM-look bumper to improve appearance or originality
- You are preparing the Porsche for sale and want the rear end to present cleanly
If any of these apply, it is a good time to review your rear bumpers and replace anything that is past its best so your Porsche stays smart, structurally sound and enjoyable to own.
Explore Porsche rear bumpers with Design911
Browse rear bumpers for Porsche at Design911 — from individual parts to complete conversion kits — and find options to suit repairs, upgrades and full restoration projects.