Smart Fortwo 451 Rear Bumper Carrier Cross Member Support Bar A4516400022

The Smart Fortwo 451 Rear Bumper Reinforcement Bar is a structural component designed for the rear of the vehicle, responsible for stable bumper support and improving the rigidity of the impact zone. The original Smart construction ensures a precise fit to the body and compatibility with factory mounting points. A used part from the Bumpers and Reinforcements category is a sensible choice for professional post-accident repairs or restoring the rear geometry of the vehicle.

Specifications and technical data

• SKU: A4516400022
• Mark: Smart
• Condition: Used
• OEM Part Number: A4516400022
• Substitutable numbers: A4516400022, A 451 640 00 22
• Location on the vehicle: Rear
• Part type: Bumper Reinforcement Beam
• Category: Bumpers & Reinforcements

Purpose and Function in the Vehicle

The rear bumper reinforcement bar is designed for installation in the rear of the Smart Fortwo 451. Its functions include:

• absorbing some of the energy in the event of a rear impact,
• maintaining the correct geometry of the rear impact zone,
• providing stable support for the bumper cover, brackets, and mountings for additional elements.

Thanks to its factory design, compatibility with original mounting points is maintained, which simplifies servicing and reduces the need for additional bodywork modifications.

Benefits of Using an Original Smart Reinforcement Bar

Using an original bumper reinforcement bar in the Smart Fortwo 451 helps maintain the structural integrity of the body. Key benefits include:

• a secure fit to the rear of the body without the need for modifications,
• preservation of the manufacturer's designed deformation characteristics upon impact,
• easier installation of the bumper and associated components (brackets, covers, mountings).

Choosing a used OEM part is also a way to reduce repair costs while maintaining high quality and compliance with factory specifications.

Mounting Characteristics

The rear bumper reinforcement bar is designed for installation in the rear section of the vehicle, replacing the factory reinforcement. The manufacturer's intended design allows for:

• mounting at existing attachment points in the body,
• compatibility with the original Smart Fortwo 451 rear bumper,
• maintaining correct gaps and contact lines between the bumper and the bodywork.

This makes the repair predictable and ensures the final result is consistent with the vehicle's factory appearance.

Condition and Application in Repairs

The offered reinforcement bar is a used part, allowing for a combination of an attractive price with the preservation of the original manufacturer's construction. This type of component is particularly useful for:

• post-accident repairs of the rear of the vehicle,
• replacing a deformed reinforcement after a collision,
• restoring proper bumper support after previous, unprofessional repairs.

Selecting a reinforcement bar compatible with the Smart Fortwo 451 model reduces the risk of installation problems and ensures predictable body structure behavior.

Related Parts and Additional Information

If you are planning a comprehensive repair or upgrade of the rear section of your Smart and need other parts from the same group, such as rear bumpers, cross-reinforcements, or mounting brackets, check the available parts in the Smart Bumpers and Reinforcements category.

If you want to learn more about the used parts market, the differences between OEM parts and aftermarket alternatives, and practical tips for safely choosing such components, it is worth reading the guide: Used Parts – Key Benefits and Selection Principles.