Porsche Cayman Boxster 981 982 Gearbox Undertray Cover Panel Guard 99150460300

Visual condition of the part

The product shows signs of use visible in the photos.

Porsche Cayman Boxster 981 982 Gearbox Undertray Cover Panel Guard is an original body component from the Mudflaps group, designed specifically for Porsche Cayman and Boxster series models. This used component provides functional protection for the lower part of the transmission, supporting aerodynamics and protecting the undercarriage from debris and water.

Specifications and technical data

• SKU: 99150460300
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99150460300
• Substitutable numbers: 99150460300, 991 504 603 00
• Part type: Splash Guard
• Category: Splash Guards & Mud Flaps

Purpose and function of the gearbox undertray

The presented gearbox undertray for the Porsche Cayman and Boxster 981 and 982 generations has been designed as a protective element mounted in the undercarriage area, directly beneath the transmission. Its purpose is to:

• limit direct contact of the transmission with water, mud, and small stones,
• stabilize airflow under the car, which promotes predictable vehicle behavior at higher speeds,
• protect sensitive mechanical components from mechanical damage from the road surface.

Thanks to its factory design, the cover works in harmony with other undercarriage elements, maintaining the structural consistency characteristic of Porsche.

Original origin and fitment for Porsche

As a Porsche brand product, this gearbox undertray complies with factory quality and geometry standards. This means:

• precise fitment to mounting points in Cayman and Boxster 981/982 models,
• maintenance of proper rigidity and shape, essential for the operation of the drivetrain,
• compatibility with other undercarriage components and factory mudflaps.

Choosing an original component allows you to maintain the consistency of the undercarriage structure and reduces the risk of installation problems typical of aftermarket replacements.

Condition of the component and service application

The cover is a used service component, suitable both as a replacement for a cover damaged by contact with an obstacle and for comprehensive post-collision repairs. It is useful in situations where:

• the original cover has been mechanically damaged or deformed,
• it is missing after previous body repairs,
• it is necessary to restore the completeness of the undercarriage covers to improve protection and aerodynamics.

Using an original cover helps maintain proper operating conditions for the transmission and limits the exposure of components to external factors.

Benefits of installing an original cover in a Porsche Cayman/Boxster

Installing such an element brings a number of practical operational benefits:

• Better undercarriage protection – reducing the risk of mechanical damage and accelerated corrosion of components in the transmission area.
• More stable aerodynamics – orderly airflow under the car, which promotes stability during dynamic driving.
• Consistency with factory design – maintaining the original Porsche engineering concept, without interfering with the undercarriage geometry.

For owners of Cayman and Boxster 981/982 models, this is a solution that allows for the technically correct restoration of the full functionality of the undercarriage area.

If you are planning a comprehensive repair or upgrade of the wheel arch and lower body area in your Porsche and need other elements from the same group, such as additional covers, protective panels, or edge protection profiles, check the available parts in the Porsche Mudflaps category.

For a broader perspective on the importance of original components in premium cars and the impact of used parts on preserving the brand's character, it is worth reading the article Audi and emotions in their purest form – how used parts help maintain the brand's DNA, which shows how properly selected elements can restore a vehicle's factory properties.