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- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Restore the under-body protection and aerodynamic integrity of your Porsche with this genuine centre undertray. Designed for models such as the 911 (997) & Boxster/Cayman (987) 2005-13, this under-body panel covers the mid-section underside of the vehicle, providing enhanced acoustic suppression, improved airflow and vital protection for under-car components.
Fits:
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Diagram Ref No 3
What This Product Does:
- The centre undertray (or belly pan) is a large panel mounted underneath the vehicle, typically in the under-body centre section. Its functions include:
- Noise/Vibration/Harshness) reduction: by covering the underbody it helps reduce road noise and wind noise in the cabin.
- Aerodynamic improvement and underbody protection: providing a smoother underside, it helps reduce drag and aids airflow beneath the vehicle.
- Protection of vital components: the undertray shields components on the underside from road debris, water spray, and minor impacts (curbs, debris) that might otherwise damage suspension, exhaust, plumbing.
- In effect, it is a functional body-panel that sits beneath the car’s mid/centre section, helping the car perform better, stay quieter and better protected.
Symptoms & Signs You May Need Replacement:
- Visible damage, cracks, missing sections or broken fasteners — due to scuffs against curbs, underbody impacts, or age-related degradation.
- Underbody noise increase or vibration — if the undertray is loose, missing or damaged the underbody acoustic performance may suffer.
- Increased drag or wind noise — if the panel is warped or detached in spots, you may notice more wind howl or lowered top-speed performance (especially in performance cars).
- Exposure of components — if you see components normally covered (e.g., plumbing, wiring, underside of the engine/transmission) then the undertray may be missing or removed.
- Improves drivability & comfort: A sound underbody panel improves the feel inside the cabin, reducing wind/road noise and helping the car feel more refined.
- Maintains aerodynamic efficiency: Especially on high-performance Porsche models, having the underbody panel in place helps maintain the designed airflow and downforce characteristics.
- Protects underbody equipment: Without the undertray you risk stone strikes, water spray and debris hitting vulnerable components (fuel lines, oil lines, exhaust) directly.
- Avoids costly damage: A thrown stone or curb contact could damage a part that otherwise the undertray shielded; replacing soon means fewer downstream issues.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99750404300
The product you are viewing cross references to these numbers
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Underbody Protective Undertray Panel
High-quality, precision-fitting underbody protective panel designed for Porsche 928 models up to model year 1986.
This authentic undertray plays a crucial role in protecting
the underside of the vehicle while also improving aerodynamic airflow. Often
overlooked during maintenance, original panels are frequently missing or
damaged due to age or contact with road surfaces.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Diagram ref no 16
Manufactured from powder-coated aluminium, this replacement panel offers excellent durability, corrosion resistance, and long-term protection—making it ideal for restoration or replacement of worn or missing underbody components.
Key Features
• Direct replacement underbody panel
• Suitable for Porsche 928 (up to 1986)
• Precision fit for OEM-style installation
• Powder-coated aluminium construction
• Improves airflow under the vehicle
• Reduces wind noise and turbulence
• Durable and corrosion-resistant
Function and Purpose
This undertray is an essential part of the vehicle’s underbody system.
It helps to:
• Protect critical components from debris and damage
• Improve aerodynamic airflow beneath the car
• Reduce wind noise at speed
• Support overall vehicle efficiency and performance
Why Replace Your Undertray Panel
Underbody panels are often damaged or missing over time.
Common issues include:
• Cracks or deformation from road contact
• Missing panels due to previous repairs
• Increased wind noise
• Reduced aerodynamic efficiency
Replacing the panel restores both protection and original driving characteristics.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92850494104
The product you are viewing cross references to these numbers
Complete underbody trim. This genuine underbody lining replaces a damaged, distorted or missing factory panel.
Fits
- 958 Cayenne V6 3.6L Petrol (300Hp) 2010–17
- 958 Cayenne V6 3.0L Diesel (245Hp) 2010–17
- 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010–17
- 958 Cayenne S V8 4.8L Petrol (400Hp) 2010–17
- 958 Cayenne S V8 4.2L Diesel (382Hp) 2010–17
- 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010–17
- 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010–17
- 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010–17
Catalogue diagram position: 16
What This Product Does
The lining forms the complete section of the original underbody trim assembly. It covers the corresponding area beneath the vehicle, helping limit exposure of adjacent components to water, dirt and road debris while maintaining the intended arrangement of the factory underbody panels.
Functions
- Restores the section of the underbody lining
- Provides a barrier against dirt, water and road debris
- Supports the original underbody panel layout
- Replaces a cracked, distorted, loose or absent panel
Technical Details
- Catalogue description: underbody trim, complete
- Required quantity shown in the diagrams: 1
- Recorded weight: approximately 1.106 kg
Symptoms of Fault
- Visible cracking, splitting or sections missing from the lining
- Loose edges or broken attachment points
- Rattling or fluttering sounds when the vehicle is moving
- A warped panel sitting below the surrounding underbody
- Scraping caused by the trim contacting the road
- Absent or damaged retaining nuts, screws or clips
Why Replacement Matters
A broken or missing lining exposes the surrounding underside to increased contamination and stone impact. Renewing the panel restores the original coverage and helps prevent loose trim from moving or dragging. Check the mounting locations, expanding nuts and panel bolts during installation, replacing damaged fasteners where necessary so the new lining can be secured correctly.
FAQs
- Which side is this trim for?
It is the complete underbody lining identified in the Porsche parts diagrams. - Is it listed for both pre-facelift and facelift vehicles?
Yes. The supplied diagram data includes Cayenne 92A applications up to 2014 and from 2015 onwards within the stated 2010–17 coverage. - Are retaining clips and bolts supplied?
The inclusion of fixings is not specified. Inspect the existing expanding nuts, screws and mounting points before installation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9585042
The product you are viewing cross references to these numbers