GM Genuine Parts Underbody Rear Side Rail
OE
Pack of 1

GM Genuine Parts Underbody Rear Side Rail

GM Part #23380432

MSRP$65.45*

GM Genuine Parts Underbody Rails are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps strengthen and support your vehicle's underbody
  • 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.

Pack of 1

About this product

GM Genuine Parts Underbody Rails are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These rails help strengthen and support your vehicle's underbody. 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).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Helps strengthen and support your vehicle's underbody
  • 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

Product Specifications

MaterialSteel
Mounting Hardware IncludedNo
Width4.02 in / 102.21 mm
Height3.29 in / 83.57 mm
ClassificationOE
Length19.9 in / 505.56 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 an underbody rail, make sure it is the correct fit for your vehicle.
  • Regularly inspect underbody rails 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 underbody rails include but are not limited to:

  • Corrosion
  • Bent side rail

ModelBody StyleTrimYear(s)
Sierra 1500Standard Cab Pickup2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Sierra 1500 LimitedStandard Cab Pickup2022
Sierra 2500 HDStandard Cab Pickup2020, 2021, 2022, 2023, 2024, 2025, 2026
Sierra 3500 HDCab & Chassis2020, 2021, 2022, 2023, 2024, 2025, 2026
Sierra 3500 HDStandard Cab Pickup2020, 2021, 2022, 2023, 2024, 2025, 2026