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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Plastic Covers

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DISPLAYING 1 to 15 (of 15 products)
Special Order item
9965725670101C
Product Information
Product Information
Battery Cover. Black Plastic.
porsche

Fits:
Porsche 986 Boxster 1998-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo

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9965725670101C
9965725610101C
9965725620101C
9965725610201C

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Special Order item
9965725
Product Information
Product Information
Cover Cap For Plenum Chamber Cover, Black.
The Porsche Cover Cap for Plenum Chamber Cover is a genuine OEM finishing piece designed to secure and complete the plenum chamber area beneath the windshield. Finished in black, these caps neatly close off the ends of the plenum chamber cover, preventing debris and moisture from entering while preserving the clean, factory look of your Porsche.

Fits:
  • Porsche Boxster 986 2.7L 1999-02
  • Porsche Boxster S 986 3.2L 1999-02
  • Porsche Boxster 986 2.7L 2003-04
  • Porsche Boxster S 986 3.2L 2003-04
  • Porsche 996 C2 3.6L 09/01-2005
  • Porsche 996 C4 3.6L 09/01-2005
  • Porsche 996 C4S 3.6L 09/01-2005
  • Porsche 996 TURBO 2000-05
  • Porsche 996 GT2 2001-05
  • Porsche 996 GT3 MKI 1999-02
  • Porsche 996 GT3 MKII 2003>>

What This Product Does:

  • They act as end caps / cover caps on the cowl / plenum / windscreen base / vent grille area, covering the ends of the trim or grille to provide a finished look.
  • They help prevent water, debris or dirt ingress into the cowl / dash vent cavities by sealing off the open edges where grille meets body.
  • They provide aesthetic finish and protection to fasteners, edges or joints in the cowl / plenum area.

Signs / Symptoms Of Wear, Damage Or Missing Caps:
  • The cap is broken, cracked, faded, or missing, leaving the edge exposed.
  • You see visible fasteners, rough edges or openings at the cowl edge / grille.
  • You notice water ingress, dirt or debris entering behind the grille or cowl area (especially in rain or car washes).
  • The appearance is inconsistent (one side has cap, the other doesn’t) — visually unbalanced.

Why Replacement Matters:
  • Restores a clean, factory-finished appearance to the cowl / grille area.
  • Helps keep out water and debris, protecting the underside of the cowl, vent passages, and interior of the dash.
  • Prevents rust, corrosion or wear to components under the cowl that might be exposed if edges are open.
  • A small, low-cost part, but gives a big touch to visual completeness and protection.

Diagram Ref No 9



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9965725
9965725690101C
9965725700101C

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Special Order item
99950009200
Product Information
Product Information
Cover nut, for Pollen filter housing cover. 

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo    2001-05
Porsche 996 GT3 1999-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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99950009200
99950009200

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Special Order item
99757222100
Product Information
Product Information
Cover seal cowl panel.

porsche

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 996 - 1997 to 2005
Porsche 997 - 2005 to 2012

Click 'Zoom in' for large parts diagram.
Diagram ref no 3



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99757222100
99657222101
99657222102
99757222100

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Special Order item
9965725630701C
Product Information
Product Information
Cowl panel plastic cover for RHD cars. Black.

porsche

Fits:
For RHD Cars

Porsche 986 Boxster 2001-04
Porsche 996 Carrera 2001-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2001-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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9965725630701C
9965725630701C
99657256307

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Special Order item
9865513390001C
Product Information
Product Information
Engine Bay Trim Lock Catch, Satin Black.
The Porsche Engine Bay Trim Lock Catch is a genuine OEM fastener designed to secure the engine cover trim panels. Finished in satin black, this lock catch provides both durability and a factory-correct appearance, ensuring your engine bay remains tidy and properly assembled.
Sold Each.
x4 Required Per Car.

Fits:
  • Porsche Boxster 986 2.5L 1997-99
  • Porsche Boxster 986 2.7L 1999-02
  • Porsche Boxster S 986 3.2L 1999-02
  • Porsche Boxster 986 2.7L 2003-04
  • Porsche Boxster S 986 3.2L 2003-04
  • 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

What This Product Does:

It’s a fastener / clip / retainer that secures the engine cover panels / trim cover in place, locking them so the panels don’t come loose under vibration or movement.

Symptoms / Signs It May Need Replacement:

  • Loose or rattling engine cover trim — the panels or covers may not sit flush or may vibrate.
  • Trim shifting under movement or at speed — cover panels may lift slightly or shift.
  • Broken, cracked or missing catch / fastener — so the original clip no longer secures properly.
  • Misalignment of panels due to one side no longer being held securely.
  • Wear or plastic fatigue — the catch may have broken due to age, heat, or repeated removal.

Why Replacement Matters:
  • Restores firm, secure mounting of engine bay trim and cover panels — reduces rattles, vibration, and the risk of trim components coming loose.
  • Maintains factory look and finish — using a correct satin black OEM catch ensures the trim matches the rest of the engine bay aesthetic.
  • Protects trim edges and adjacent components — loose trim can rub on paint, hoses, wiring or other parts, causing wear or damage.
  • Prevents further failure / damage to other catches — when one clip fails, others can become overloaded and break too.
  • Because this is a small, inexpensive component, replacement is relatively simple but helps avoid bigger issues (lost trim, replacing panels, etc.).

Diagram Ref No 2



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9865513390001C
9865513390001C

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Special Order item
99959004540
Product Information
Product Information
Fastening plug. Black plastic.

porsche

Fits:
Porsche 986 Boxster 1998-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05

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

99959004540
9965725670101C
9965725610101C
9965725620101C
9965725610201C

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Special Order item
99657201902
Product Information
Product Information
Housing for dust-pollen filter, for LHD cars.

porsche

Fits:
For LHD cars
Porsche 996 1998-05
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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99657201902
99657201902

The product you are viewing cross references to these numbers
Special Order item
99657201903
Product Information
Product Information
Housing for dust-pollen filter, for RHD cars.
porsche

Fits:
For RHD cars
Porsche 996 1998-05
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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99657201903
99657201903

The product you are viewing cross references to these numbers
Special Order item
99657256
Product Information
Product Information
Pollen filter housing cover. Black.

porsche

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 1999-02
Porsche Boxster S 986 3.2L 1999-02
Porsche Boxster 986 2.7L 2003-04
Porsche Boxster S 986 3.2L 2003-04

Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01
Porsche 996 C2 3.6L 09/01-2005
Porsche 996 C4 3.6L 09/01-2005
Porsche 996 C4S 3.6L 09/01-2005
Porsche 996 TURBO 2000-05
Porsche 996 GT2 2001-05
Porsche 996 GT3 MKI 1999-02
Porsche 996 GT3 MKII 2003>>


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

99657256
9965725610201C
9965725620201C
9965725670101C
99907314301
99907314309
99950009200
99959004540

The product you are viewing cross references to these numbers
Special Order item
99657293100
Product Information
Product Information
Rubber seal scuttle panel wiper trim. 

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 997 - 1997 to 2005

Rubber seal for Diagram ref no 5

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99657293100
99657293100

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Special Order item
99950749740
Product Information
Product Information

Spreader rivet plastic 8x14. - Various applications

Sold each

porsche

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 996 - 1997 to 2005
Porsche 997 - 2006 to 2012
Porsche 991 - 2012 to 2018
Porsche 970 Panamera - 2009 to 2013

Click 'Zoom in' for large parts diagram.
Diagram ref no 2



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99950749740
99950749940

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Special Order item
9995900364001C
Product Information
Product Information
Trim clip front lock panel cover. 
Sold each

porsche

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 993 - 1994 to 1997
Porsche 996 - 1997 to 2005

Click 'Zoom in' for large parts diagram.
Diagram ref no 16





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

9995900364001C
9995900364001C

The product you are viewing cross references to these numbers
Special Order item
90161112120
Product Information
Product Information
Upper battery cover. Porsche 911 1965-68

Fits:
Porsche 911 / 912 - 1965 to 1968

Diagram ref no 2

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90161112120
90161112120

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90161112120/1
Product Information
Product Information
Upper battery cover.

Fits:
Porsche 911 / 912 - 1965 to 1968

Diagram ref no 2

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90161112120
90161112120

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DISPLAYING 1 to 15 (of 15 products)
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About Plastic Covers

Keep your Porsche looking and performing like new with genuine Porsche and aftermarket plastic covers from Design911. These precision-engineered components are designed to protect key vehicle parts — from engine bays and undertrays to interior trim and exterior panels - against dust, debris, and wear.

Manufactured to OEM specifications, each plastic cover ensures exact fitment, long-lasting durability, and seamless integration with your Porsche’s body or interior. Whether you’re restoring a classic model, replacing damaged trim, or upgrading to modern components, Design911 offers authentic Porsche plastic covers and high-quality aftermarket alternatives to match your car’s original finish and function.

Available in a wide variety of types — from underbody panels and engine covers to scuttle panel trims and clips — these covers provide structural protection and visual refinement across your vehicle.

Boot Lining Plastic Covers
Boot lining plastic covers are protective and finishing panels located within the luggage compartment (boot/trunk) of your Porsche. They serve both aesthetic and functional purposes, helping to shield internal metal surfaces, wiring, and components from wear, moisture, and cargo-related damage.

Engine Bay & Mechanical Covers
Durable plastic guards that protect engine components from dust, heat, and debris while enhancing under-bonnet presentation.

Underbody & Chassis Covers
High-strength undertrays and shields that protect the chassis, suspension, and drivetrain areas from corrosion and road debris.

Aftermarket & Performance Covers
Lightweight or reinforced aftermarket covers designed for improved heat resistance, protection, or motorsport use.

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