Audi Q7 4M Under Rear Seat Middle Reinforcement Bar Underbody 4M0801387F

Audi Q7 4M Under Rear Seat Middle Reinforcement Bar Underbody is an original body component from the Bumpers and reinforcements group, designed for installation in the rear underbody section. Engineered as a central reinforcement profile under the rear seat, it stabilizes the floor structure and supports proper body geometry following bodywork repairs.

Specifications and technical data

• SKU: 4M0801387F
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0801387F
• Substitutable numbers: 4M0801387F, 4M0 801 387 F
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function of the component

The described element is the central floor reinforcement beam under the rear seat in the Audi Q7 4M generation, mounted in the rear body area. As a structural part of the chassis, it is responsible for stiffening the central zone under the seat, which is crucial for post-collision repairs, replacing corroded floor sections, or professional body restoration.

A properly selected floor reinforcement helps maintain factory structural rigidity, facilitates the correct alignment of seat mounting points and adjacent components, and reduces the risk of stress in the floor panels.

Construction and fitment for Audi Q7 4M

The beam has been designed specifically for the Audi Q7 4M platform, ensuring a precise fit to the floor shape and mounting points in the rear of the vehicle. The original geometry facilitates the work of a body technician or painter, minimizing the need for additional adjustments during installation.

Original Audi brand origin means compliance with factory dimensional tolerances, which is essential for repairs performed according to the manufacturer's technology – especially in vehicles equipped with advanced safety systems and extensive interior fittings.

Application in body repairs

The floor reinforcement under the rear seat is primarily used in:

• post-accident repairs of the rear body section,
• corrosion removal in the floor area under the rear seat,
• structural restoration following improper previous repairs,
• restoring chassis rigidity in heavily used vehicles.

By using an original element from the Bumpers and reinforcements group, it is possible to more effectively recreate the factory floor line, which facilitates the subsequent installation of upholstery, seats, and covers, and reduces the risk of unwanted body noise.

Characteristics of the used component

The offered component is in used condition, which allows for economical repair while maintaining the original Audi construction. This type of part is particularly attractive for larger bodywork projects, where both compliance with factory technology and cost control of the entire operation are important.

Before installation, it is recommended to perform a standard surface condition verification, prepare for painting, or apply anti-corrosion protection in accordance with procedures used in body and paint shops to fully utilize the potential of the original chassis reinforcement.

Expanding repairs within Audi body reinforcements

If you are planning a comprehensive repair or upgrade of the rear body structure in your Audi and need other elements from the same group, such as cross beams, additional floor reinforcements, or bumper support elements, check the available parts in the Audi Bumpers and reinforcements category.

Support in choosing used structural elements

When selecting used structural components, it is worth paying attention to their origin, compatibility with the model, and the method of preparation for re-installation. For those planning a larger repair project or vehicle modification, a guide discussing common mistakes when buying used parts may be helpful – you can find it in the article Buying used car parts • Most common mistakes when choosing tuning parts, which allows you to better plan your work and avoid unnecessary costs.