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Where Is the A-Pillar On A Car Located?

Reviewed by

Richard McCuistian, ASE Certified Master Automobile Technician

Technical Reviewer at CarParts.com

Written by CarParts.com Research Team - Updated on October 17th, 2025

Reading Time: < 1 minute

Q: Where Is the A-Pillar Located?

A: The A-pillar is the structural frame found on either side of the front windshield. Most A-pillars have an upper section or windshield post and a lower section where the door hinge can be found.

diagram showing a b and c pillars and rocker panels on a car — Diagram showing the A, B, and C pillars and rocker panels on a car | Image Source: Richard McCuistian

Tips for Accessing the A-Pillar

To access the A-pillar on a car, start by opening the doors fully to give yourself plenty of working space. Carefully remove the pillar trim and gently pry the weatherstripping off. This will expose the metal underneath without damaging clips or fasteners.

Disconnect any wiring for airbags or sensors in the pillar area by following the manufacturer’s instructions to avoid accidental deployment.

Use masking tape to mark alignment points before removing parts so you can reinstall them accurately later.

Keep all screws, clips, and trim pieces organized so reassembly is smooth and nothing gets lost.

About The Authors

Written By

CarParts.com Research Team

Automotive and Tech Writers

The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by CarParts.com's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

Reviewed By

Richard McCuistian

Technical Reviewer at CarParts.com

Richard McCuistian has worked for nearly 50 years in the automotive field as a professional technician, an instructor, and a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others. Richard is ASE certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.