Can a damaged reinforcement effect exterior body component alignment?

Yes. If the components do not align, locate your nearest service center for proper installment.

GM Genuine Parts Driver Side Front Compartment Side Rail Rear Reinforcement

About this product

Restore your Chevrolet, Buick, GMC, or Cadillac vehicle as close to its original condition as possible with a Genuine GM Parts Fender Rail Reinforcement. This rail reinforcement adds structural support to the vehicle's exterior body components. Only Genuine GM Parts are tested to meet GM Original Equipment standards and are designed specifically to fit your vehicle.

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

Helps add strength to fender
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation

MaterialSteel

Mounting Hardware IncludedNo

Universal Or Specific FitSpecific

Length8.6 in / 103.98 mm

Height6.55 in / 116.86 mm

ClassificationOE

Width7.6 in / 53.76 mm

MaterialSteel

Universal Or Specific FitSpecific

Height6.55 in / 116.86 mm

Width7.6 in / 53.76 mm

Mounting Hardware IncludedNo

Length8.6 in / 103.98 mm

ClassificationOE

24 Months/Unlimited Miles Limited 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 rail reinforcement, make sure it is the correct size and fit for your vehicle.
Be sure to keep reinforcements free of salt or other corrosive materials to prevent rusting.
Regularly inspect your rail reinforcement 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 fender rail reinforcements include but are not limited to:

Misaligned components
Corroded reinforcements or components

Model	Body Style	Trim	Year(s)
XT4			2019, 2020, 2021, 2022, 2023, 2024, 2025

About this product

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

Helps add strength to fender
For proper installation, locate your nearest GM dealer, independent service center, or body shop
Precise fit for ease of installation

MaterialSteel

Mounting Hardware IncludedNo

Universal Or Specific FitSpecific

Length8.6 in / 103.98 mm

Height6.55 in / 116.86 mm

ClassificationOE

Width7.6 in / 53.76 mm

MaterialSteel

Universal Or Specific FitSpecific

Height6.55 in / 116.86 mm

Width7.6 in / 53.76 mm

Mounting Hardware IncludedNo

Length8.6 in / 103.98 mm

ClassificationOE

24 Months/Unlimited Miles Limited 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 rail reinforcement, make sure it is the correct size and fit for your vehicle.
Be sure to keep reinforcements free of salt or other corrosive materials to prevent rusting.
Regularly inspect your rail reinforcement 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 fender rail reinforcements include but are not limited to:

Misaligned components
Corroded reinforcements or components

Model	Body Style	Trim	Year(s)
XT4			2019, 2020, 2021, 2022, 2023, 2024, 2025

About this product

Product details

Specifications

Warranty

Maintenance

Good Maintenance Practices:

Signs of wear or damage for fender rail reinforcements include but are not limited to:

Fits these vehicles

About this product

Product details

Specifications

Warranty

Maintenance

Good Maintenance Practices:

Signs of wear or damage for fender rail reinforcements include but are not limited to:

Fits these vehicles

Frequently Asked Questions