9 Car Body Parts and Their Functions

What are the car body parts and their functions?

  1. Hood
  2. Grille
  3. Bumper
  4. Doors
  5. Roof 
  6. Trunk
  7. Lights

All drivers should be familiar with the basic of car body parts and their functions to help make informed decisions when it comes to vehicle maintenance and repairs, whether you decide to work on your car yourself or merely take it to the mechanic. The performance and appearance of your vehicle are greatly impacted by its parts. These components enhance the car’s airflow, structural stability, and overall aesthetic, in addition to protecting the people inside it. 



One of the most known car parts, the hood of a car covers the engine up front. It is sometimes called a “bonnet”. Hoods are often manufactured from metal such as steel or aluminum, and hinges at the front of the vehicle provide simple access to the engine for maintenance and repairs. They may sometimes have hood scoops or power bulges that allow for more engine space and airflow to boost the vehicle’s performance.


The decorative net known as the grille is located in front of the radiator. This part aids in cooling the engine by allowing air to pass through. Most vehicles have a grille in the front to protect the radiator and engine. 

A grille is a very distinctive feature of any vehicle and is most likely to be created to match the precise shape of the car’s front end. This means it’s crucial to be sure a grille will fit your car before you buy it.



The front and rear of the car’s bumpers serve as protective layers and aid in absorbing impacts during slow-speed crashes. This lessens harm to the car’s body and mechanical parts and safeguards the safety of the occupants of your car. 

Today’s standard passenger vehicle bumpers include a rigid reinforcing bar beneath the outer cover, as well as sections of compressible foam or plastic beneath. During impact, that material squishes down between the reinforcing bar and your car’s body.


The car door’s movable panels enable entry and exit for passengers. They not only provide security and comfort but are also typically constructed with metal and attached to the car via hinges on both sides. In addition, car doors have window glass, seals, and weatherstrips that keep the interior isolated from the exterior. The side windows on the doors usually give passengers a view and also secure the vehicle.



The uppermost portion of the car is called the roof. It protects the occupants and other items found inside the car. Additionally, it supports the automobile structurally and aids in keeping the interior dry during bad weather.

Some cars may have a roof rack with additional storage installed on the roof of a vehicle. This helps in transporting more oversized items such as kayaks, large holders, and so on. The roof rack is not a standard car accessory.


A car trunk is an enclosed lockable storage area separate from the passenger cabin. It is sometimes called the “boot” and is the storage area at the car’s rear. It is typically accessed via a liftgate or a trunk lid and is used to store items such as your groceries, luggage, and tools.

In cars with engines located in the middle or rear of the body, the trunk may be located in the front. Some models, especially newer electric vehicles, have two trunks. While car trunks are commonly used to transport cargo, they can also be used to store other accessories.


The lights on your car perform several tasks, including enhancing the driver’s vision, alerting other motorists to the car’s existence, and illuminating the road ahead. They can be seen on the sides, front, and back of the vehicle. 

Headlights are the most important car lights. On the other hand, low-beam and high-beam headlights allow drivers to see the road in the dark and make themselves visible to other drivers. Lastly, daytime running lamps, sidelights, and fog lights are examples of additional car lights.

Key Takeaway

Similar to how every part of our bodies completes us, there are also car body parts and their functions for a car to perform well. These are only a handful of the many parts that make up a car’s body and function as a whole to ensure safety and effective operation. These components can continue to perform correctly and keep you safe on the road with regular maintenance and inspections.

Contact Roberts today if you’re looking for replacements or upgrades for your parts. We are the largest and most reputable OEM auto parts supplier in the Philippines, and we can provide you with the right parts.