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Automotive glossary

C-Pillar

The C-pillar is the rearmost roof support on saloons and hatchbacks, beside the rear window.

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What is C-Pillar?

Its shape strongly influences the car’s styling. Wide C-pillars create large rear blind spots. Estates and SUVs also have a D-pillar further back. A camera or mirror-based rear view can help when the C-pillars are very wide.

How it works

It joins the roof to the rear quarter panel and carries loads from the rear of the roof.

Why it matters for your car

Use mirrors and a shoulder check because of the blind spot. Rust around the rear window seal is common on older cars.

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