A Pillar
Where is the A pillar, B pillar, C pillar and D pillar?
The A pillar in a vehicle supports the roof and supports the windshield. The B pillar is the support for the rear door hinges and supports the roof. The C pillar and D pillar support the roof and the the rear windows or rear hatch.
Sunroof drains route through the left and right A pillars and the left and right B pillars to drain water to the ground.

A pillar, B pillar, C pillar and D pillar
©, 2018 Rick Muscoplat
Posted on by Rick Muscoplat