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Design911 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://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net Facebook Instagram

Wheel Arch Liners & Covers

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Special Order item
992810974J
Product Information
Product Information
Wheel Housing Liner, Rear Right Front.

The Porsche Wheel Housing Liner 992810974J is a genuine Porsche replacement rear right wheel-arch liner, front section, used on selected Porsche 911 models of the 992 generation.

Fits:

  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24  

Diagram Ref No 6

It fits inside the
right-hand rear wheel housing, covering the forward portion of the wheel arch and creating a protective barrier between the rotating rear wheel and the vehicle body, suspension area and surrounding components.

The liner helps protect the inside of the wheel housing from:

  • Stones
  • Gravel
  • Water spray
  • Mud
  • Road salt
  • Dirt and debris

As a genuine Porsche component, it is shaped to match the original mounting points and wheel-housing profile.

What This Product Does:
The wheel housing liner shields vulnerable areas behind the rear wheel from contamination and impact.

Its primary functions include:

  • Protecting painted inner body panels
  • Deflecting stones and road debris
  • Reducing direct water spray into the wheel housing
  • Helping protect wiring and nearby components
  • Reducing dirt accumulation around the suspension area
  • Helping maintain the intended aerodynamic airflow around the rear wheel
  • Reducing wheel-arch noise
  • Completing the factory inner wheel-arch structure

The liner does not carry suspension load, but it forms an important protective layer between the tyre and surrounding vehicle components.

Symptoms Of Wear Or Failure:
Wheel housing liners can become damaged through road impacts, tyre contact, accident damage or repeated removal.

Common symptoms include:

  • Cracked plastic
  • Split sections
  • Torn mounting holes
  • Missing pieces
  • Liner hanging down
  • Liner rubbing against the tyre
  • Rattling from the rear wheel arch
  • Flapping noises at speed
  • Loose or missing fasteners
  • Panel sitting out of alignment
  • Heavy abrasion marks
  • Damage from stones or road debris
  • Distortion following an impact
  • Excessive dirt behind the liner
  • Water and debris entering previously protected areas

A damaged liner may remain partly attached while still failing to provide full protection.

Why Replacement Matters:
A damaged or missing wheel housing liner leaves the inner wheel arch more exposed to road contamination and impact.

Continued use can contribute to:

  • Stone damage to bodywork
  • Moisture accumulation
  • Corrosion risk
  • Dirt contamination around suspension parts
  • Damage to wiring or mounting hardware
  • Increased road noise
  • Loose liner sections contacting the tyre
  • Further damage to adjacent underbody panels

Replacing the damaged liner restores the original protective barrier and helps maintain correct fitment within the wheel arch.



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

992810974J
992810974J
992810974A
992810974C
992810974F

The product you are viewing cross references to these numbers
DISPLAYING 1 to 1 (of 1 products)
About Wheel Arch Liners & Covers

Protect your Porsche’s bodywork and maintain factory performance with genuine Porsche and reproduction wheel arch liners & covers from Design911. These components are engineered to shield the wheel housings and underbody from road debris, water, and corrosion, ensuring your Porsche’s structure and paintwork remain in pristine condition.

Manufactured to OEM specifications, each liner fits perfectly within the wheel well, providing durable protection and improved airflow around the suspension and brake systems. Whether you’re restoring a classic Porsche, repairing accident damage, or replacing worn panels, Design911 offers a comprehensive range of genuine and reproduction arch liners and covers suitable for every Porsche model.

Crafted from high-quality plastic, composite, or metal materials, these liners help maintain aerodynamic efficiency, noise reduction, and long-term underbody integrity — just as Porsche intended.

Genuine Porsche Wheel Arch Liners
OEM factory liners that provide superior fitment, durability, and protection against debris and moisture for all Porsche models.

Reproduction Wheel Arch Covers
High-quality reproduction panels designed to match OEM standards. Ideal for restorations or affordable replacements without compromising fit or performance.

Front Wheel Arch Liner
Protective panels fitted inside the front wheel arches to prevent dirt, gravel, and water from damaging paint and suspension components.

Rear Wheel Arch Liners
Durable rear liners that safeguard the underbody, exhaust area, and brake components from corrosion and impact damage.

Mounting Clips, Screws & Fittings
OEM-quality hardware kits including screws, clips, and brackets for secure and vibration-free installation of Porsche arch liners and covers.

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