Mercedes W203 Rear Door Seal Frame Gasket Left Right N/O/S Black A2036972451

The Mercedes W203 Rear Door Seal A2036972451 is a precisely fitted body part from the Doors and Door Panels category, designed for installation on the rear axle of the vehicle. The seal, in Black color, ensures a tight closure of the door leaf, reducing noise, moisture ingress, and unwanted contaminants from entering the cabin.

Specifications and technical data

• SKU: A2036972451-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036972451
• Substitutable numbers: A2036972451, A 203 697 24 51, BG
• Location on the vehicle: Rear, Right, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and Fitment for Mercedes W203

The presented seal has been specifically designed for the Mercedes C-Class W203 model, taking into account the geometry of the rear doors and the characteristic body line. The part can be used on the Rear, Right, Left side, allowing for flexible use on both the right and left sides of the rear of the vehicle, depending on service needs.

The black color of the seal is consistent with the factory finish of the door edges, ensuring a uniform, aesthetic body line after installation without visual differences between individual components.

Technical and Functional Characteristics

The rear door seal is responsible for maintaining the correct pressure of the door leaf against the body frame, which translates to:

• reduction of air drafts at higher speeds,
• reduction of road noise and wind noise,
• increased protection against water, mud, and road salt,
• stable door operation during closing.

As a component from the Doors and Door Panels category, the seal works with the panel structure, hinges, and lock, contributing to the comfort of vehicle use and the durability of adjacent components.

Product Condition and Benefits of Choosing a Used Part

The offered seal is a Used item, meaning it comes from a dismantled vehicle and has been verified for its continued suitability for installation. In practice, this allows for combining an attractive purchase price with the preservation of original geometry and fit characteristic of genuine vehicle manufacturer parts.

Choosing a used rear door seal is a beneficial solution for drivers who want to restore proper body sealing without the need to invest in more expensive aftermarket replacements. An additional advantage is the ecological aspect – the reuse of functional components reduces waste and raw material consumption.

If you are interested in a broader context of using second-hand parts in automotive and want to better understand their benefits, it is worth reading the guide: Used Parts – Benefits, Savings, and Practical Tips for Choosing.

Color and Body Integration

The neutral black shade of the seal allows for harmonious integration with most body and interior color configurations. This ensures that after installation, the part does not visually stand out from the factory components, and the line where the door meets the body remains consistent and aesthetically pleasing.

The seal has been designed to work with the factory mounting points on the door edge, which facilitates installation and minimizes the risk of improper profile placement around the perimeter of the door leaf.

Summary and Other Mercedes Body Parts

The Mercedes W203 Rear Door Seal A2036972451 is a practical choice for users who want to restore proper sealing of the rear doors, improve acoustic comfort inside the cabin, and protect it from moisture. Using a dedicated part from the Doors and Door Panels category ensures the preservation of factory fit and functionality of the door system.

If, during body renovation or repair, you also need other parts related to the door structure and equipment for your Mercedes, check the available parts in the Mercedes Doors and Door Panels category.