GM1904120 Body Panel Truck Box Tailgate Molding

GM1904120 Body Panel Truck Box Tailgate Molding

GMC Sierra 1500 2020 2021 2022 2023 2024 2025 – 84434830 – Rear Right Upper

Bring back proper visibility and a clean look on your 2020-2025 GMC Sierra 1500 with this direct-fit tailgate Molding.

Once a lamp housing cracks, condensation gets in and corrosion follows the sockets. Swapping the complete unit is faster and more reliable than chasing sealant repairs.

2020-2025 GMC Sierra 1500 Tailgate Molding Fitment

Fits GMC Sierra 1500 models across the 2020 2021 2022 2023 2024 2025 model years. This listing is for the rear right upper position — double-check the side and placement against your vehicle before ordering. Not sure it matches your build date or trim? Call your dealership with your VIN to get the OEM part number, then match it against the numbers listed here.

Industry Part ID Numbers:

• SKU Number: GM1904120
• OEM Number: 84434830

GM1904120 cross-references OEM 84434830. If the number on your old part matches any of these, this is the right replacement.

Fitment & Product Details:

• Fits: GMC Sierra 1500 2020-2025
• Location on Vehicle: Rear Right Upper
• Material: Plastic

Common Questions

Will this tailgate molding fit my 2020-2025 GMC Sierra 1500?
Yes — it's catalogued for 2020-2025 GMC Sierra 1500. Match your old part's number against the SKU, OEM or alternate numbers above — or call your dealership with your VIN to get the OEM part number and compare.

How fast can I get it?
We ship across Canada and offer free in-store pickup in Red Deer and Edmonton. If the job is booked and waiting, call ahead and we'll confirm availability before you order.

Order online for fast shipping across Canada, or pick it up at Central Alberta Paint & Supply in Red Deer or Edmonton. Serving Alberta body shops and DIY builders since 1964.

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Shipping: Canada-wide delivery on all paints, parts and supplies — or choose free in-store pickup in Red Deer or Edmonton at checkout. We’ll send delivery updates as your order moves. Have a preferred carrier? Get in touch.

Questions? Some items can go on back order due to supply chain delays, so for time-sensitive projects please confirm availability first. Call 1-800-223-8819 (Mon–Fri, 8AM–5PM MT) or use our contact form.