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C-pillar

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Lilit Farmazian August 20, 2022 ·
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The C-pillar is the structural support between the rear door and the back window of a vehicle. In a unibody construction, it is typically made from sheet metal. The C-pillar provides strength and stiffness to the vehicle body, and also helps to protect passengers in the event of a rear impact collision. In some vehicles, the C-pillar may also house features such as the rear wiper motor or speakers.

While the C-pillar is not as visible as other parts of the car body, it plays an important role in the strength and rigidity of the vehicle. In some cases, the C-pillar can also help to improve the aerodynamics of the car by redirecting air flow around the vehicle.

In many cars, especially older ones, the C-pillar is significantly wider than the A-pillar and B-pillar, giving the impression of a “third box” behind the passenger compartment.

While early cars had simple rectangular C-pillars, modern cars often have more complex shapes to improve aerodynamics and visibility. For instance, many sedans have “fastback” roofs that slope down towards the rear of the car, resulting in a narrower C-pillar. Some cars also have “split” C-pillars, with the rear window wrapping around to the side of the car instead of being located in the center.

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Lilit Farmazian
Lilit Farmazian
Lilit is a car enthusiast and writer who has been writing about cars for years in her spare time. She loves nothing more than taking on new projects involving all things automotive.
Lilit Farmazian
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