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Plastic Covers
Ensure your Porsche cover panels are fastened correctly with this genuine OEM Porsche tapping screw. Designed specifically for Porsche 911 996 series and Boxster 986 models, this oval-head M5 × 29mm screw secures pollen filter housing cover with factory-specified fit and finish.
Sold Each.
x2 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 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>>
- Porsche 996 GT3 RS 2003-04
Diagram Ref No 12
What This Product Does:
- This screw secures the pollen filter housing cover.
- It ensures the cover remains firmly attached, aligns properly, prevents vibration or loosening, and maintains cosmetic appearance and protection from water/dirt ingress.
When Replacement Might Be Needed:
- The original screw is missing, damaged, or has the head stripped — this can happen during removal of the cover or during servicing
- The cover is loose, rattling or misaligned — sometimes a missing or incorrect screw is the cause of panel movement or cover vibration.
- The screw shows corrosion or wear — old screws may degrade.
Why Replacement Matters:
- Proper fit and torque: The correct length, head style and thread match ensures the cover is secured properly without risk of over-penetration, cross-threading or insufficient grip.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99907314301
The product you are viewing cross references to these numbers
- 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>>
- Porsche 996 GT3 RS 2003-04
Sold each

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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9995900364001C
The product you are viewing cross references to these numbers
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- 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>>
- Porsche 996 GT3 RS 2003-04
Fits:
Porsche 911 / 912 - 1965 to 1968
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161112120
The product you are viewing cross references to these numbers
- 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 GT3 MKI 1999-02
Fits:
Porsche 911 / 912 - 1965 to 1968
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161112120
The product you are viewing cross references to these numbers
- 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 GT3 MKI 1999-02
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.