GM Genuine Parts Roof Front Header Panel
OE
Pack of 1

GM Genuine Parts Roof Front Header Panel

GM Part #20985502

MSRP$236.35*

GM Genuine Parts Roof Header Panels are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps support the roof assembly
  • Provides a connecting point for the exterior roof panels
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Pack of 1

About this product

GM Genuine Parts Roof Header Panels are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These panels help support your vehicle's roof assembly, and provides a connecting point for the exterior roof panels. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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  • Helps support the roof assembly
  • Provides a connecting point for the exterior roof panels
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Collision parts are designed to help promote proper and safe repair

ColorBlack
Mounting Hardware IncludedNo
Drilling RequiredNo
MaterialGalvanized Steel
Thickness0.08 in / 2 mm
Width8.99 in / 228.32 mm
ClassificationOE
Length50.84 in / 1291.37 mm

Limited Lifetime Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Before the purchase and installation of a roof header panel, make sure it is the correct fit for your vehicle.
  • Have a trained service technician service the roof header panel assembly.
  • Regularly inspect roof header panels for signs of damage or wear, and replace them if signs of damage are found.
  • Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

Signs of wear or damage for roof header panels include but are not limited to:

  • Damaged roof panel
  • Corroded or damaged roof header panel

ModelBody StyleTrimYear(s)
Silverado 15002014, 2015, 2016, 2017, 2018
Silverado 1500 LD2019
Silverado 2500 HD2015, 2016, 2017, 2018, 2019
Silverado 3500 HD2015, 2016, 2017, 2018, 2019
Silverado 4500 HD2019, 2020, 2021, 2022, 2023, 2024, 2025

Frequently Asked Questions

No. This component is usually covered by an interior trim panel.