What is the plastic shell under the front of the car called?

[ChaseLynn]

The plastic shell under the front of the car is called the plastic bumper. Below are the specific details about the bumper: 1. Composition: The front and rear bumpers of a car are made of plastic. Generally, the plastic bumper of a car consists of three parts: the outer panel, the buffer material, and the crossbeam. The outer panel and buffer material are made of plastic, while the crossbeam is formed by stamping cold-rolled thin sheets into a U-shaped channel; the outer panel and buffer material are attached to the crossbeam. 2. Function: The car bumper is a safety device that absorbs and mitigates external impacts, protecting the front and rear parts of the car body. In addition to maintaining its original protective function, it also pursues harmony and unity with the car body design and strives for lightweight itself.

[DiArcher]

I often drive in the community, and that part is called the front bumper—basically a plastic protective layer under the front of the car. Last time I parked, I accidentally scraped it against a wall, leaving scratches and a crack. It cost me over 500 yuan to replace it at the repair shop. Why use plastic? Because it's lightweight, cost-effective, and easy to mold. In a collision, it’s less likely to seriously injure people or deform severely compared to metal, plus it resists rust. The design balances style and safety, with newer models featuring air vents or streamlined shapes to improve cooling and aerodynamics. For daily use, I recommend relying more on parking sensors when reversing to reduce collision risks. If you notice any damage, don’t ignore it—repair it promptly to avoid affecting other components. After all, it’s like a practical guardian for the front of your car.

[DiJeremiah]

After repairing cars for so many years, that plastic shell is definitely the front bumper. It's mostly made of PP plastic or similar composites, with lightweight being key, and it also absorbs energy during low-speed collisions to mitigate damage. Common issues during maintenance include scratches and cracks—don't take them lightly. Minor scratches can be fixed with a touch-up pen, but large cracks can compromise pedestrian safety or allow water into the engine bay. Many car owners overlook its importance; it's not just a cosmetic part but also protects the headlights and radiator. For routine maintenance, check if the bumper screws are loose, especially before and after the rainy season to prevent water accumulation. Replacing a new one is cost-effective, ranging from a few hundred to a thousand bucks, and DIY installation is possible, but make sure the parts match correctly.

[Peyton]

I've been driving to work for several years, and that plastic shell under the front of the car is called the front bumper. It mainly serves to block wind and prevent collisions, made of plastic because it's cheap, easy to repair, and lightweight. Once, I scraped and cracked it against a wall in a crowded parking lot, and replacing it cost a few hundred, much less hassle than metal parts. The design considers low wind resistance and safety cushioning—don't underestimate it; parking slowly can save you trouble. Just be careful not to let stones damage it, and repairs are simple and quick.

[VanAaliyah]

As an automotive blogger, I focus on the front bumper, the plastic shield at the very bottom of the car's front. The material is often polyethylene or polypropylene due to its lightweight, low cost, and eco-friendliness, making it easy to recycle during manufacturing. Historically, older cars used steel for greater hardness but were prone to rust, whereas modern plastics reduce weight, lower fuel consumption, and minimize safety risks, offering better cushioning in low-speed collisions to protect pedestrians. Styling incorporates many fashionable elements, such as modern designs featuring airflow ducts to enhance high-speed stability. I recommend car owners perform annual maintenance checks for signs of aging, as prolonged sun exposure can cause fading or brittleness. Applying a protective coating can extend its lifespan and prevent small cracks from turning into big holes.

[DelLily]

After driving various models, I've learned that the plastic shell is actually the front bumper. In the early days of driving, metal bumpers were used—heavy and expensive. Now plastic has become mainstream because it's economical and easy to repair. I've personally witnessed it cushioning and protecting the vehicle's interior in multiple minor accidents. Its function isn't just decorative; it prevents stones from hitting the hood or headlights and reduces pedestrian injuries in low-speed collisions. From personal experience, be mindful of ground level differences when parking, as they can easily scrape the bumper, especially in urban roadside parking spaces. Regularly wipe it with a soft cloth to maintain its appearance, and tighten any loose parts immediately—this small detail can save you from costly repairs.