GM Rear Driver Side Door Auxiliary Weatherstrip

Genuine GM · Part #23455369 · Body / Weatherstrip

Genuine GM rear driver-side door auxiliary weatherstrip that seals the door frame and reduces road noise.

Fitment note: The parts-catalog fitment shown above is confirmed, but the exact model years aren’t stated on the source listing. Confirm this part fits your specific vehicle with AutoNation Parts before ordering.

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Before you order

• Confirm it fits with your VIN before buying.
• The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.
• This part is side-specific — driver side vs. passenger side explained.

Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-rear-driver-side-door-rear-auxiliary-weatherstrip-23455369) on 2026-07-13. Prices and availability can change — confirm on the retailer’s page before purchase.