1. Car/Truck Fenders Parts
  2. sku: 12091193594513663
  3. GM 21999314

GM 21999314 Quarter Panel Brace

fits year: 2003–2006.

21999314 Gm Genuine Quarter Panel Brace

( Brand: Gm ), ( Part Type: Quarter Panel ), ( Manufacturer Part Number: 21999314 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2003 2004 2005 2006 ), ( Parts Included: Only Part Reference 2 On The Diagram Is Included ), ( Replaces Part Number: 15183524, 88987654 )

Review GM Genuine Quarter Panel Brace fits 2003–2006

GM 21999314 Quarter Panel Brace

The GM 21999314 Quarter Panel Brace is an essential automotive part designed to provide additional support and stability to the quarter panel area of select General Motors vehicles. This brace is specifically engineered to fit and function optimally in vehicles with specific model years and body styles.

This quarter panel brace is made from high-strength steel, ensuring durability and the ability to withstand the rigors of daily driving. The brace is designed to be a direct replacement for the original equipment, ensuring a perfect fit and seamless integration with the vehicle.

The GM 21999314 Quarter Panel Brace features multiple mounting points that attach to the vehicle's existing structure. These mounting points are strategically placed to provide maximum support to the quarter panel area, helping to prevent twisting, warping, and other forms of damage that can occur due to the stresses placed on the vehicle's body.

Installing the GM 21999314 Quarter Panel Brace is a straightforward process that can be completed by most do-it-yourself enthusiasts. The brace comes with all necessary hardware, including bolts and nuts, making the installation process as convenient as possible. Additionally, clear and detailed instructions are provided to guide users through the installation process.

In summary, the GM 21999314 Quarter Panel Brace is an essential automotive part for select General Motors vehicles. It is made from high-strength steel, ensuring durability and providing additional support and stability to the quarter panel area. The brace is easy to install and comes with all necessary hardware, making it a worthwhile investment for anyone looking to enhance the structural integrity of their vehicle.

The GM 21999314 Quarter Panel Brace is a component designed to reinforce the structural integrity of the quarter panel on certain GM vehicles. Here are some potential pros and cons of purchasing this part:

Pros:

1. Improved Structural Integrity: This brace helps to prevent twisting and deformation of the quarter panel, which can be caused by various factors such as accidents or extreme weather conditions. By strengthening the quarter panel, the brace can help improve the overall safety and durability of the vehicle.

2. Potential Savings: In the event of an accident, the cost of repairing or replacing a damaged quarter panel can be significant. By investing in a quarter panel brace, you may be able to prevent the need for more expensive repairs down the line.

3. Easy Installation: According to customer reviews, the GM 21999314 Quarter Panel Brace is relatively easy to install. Most customers report that the installation process takes only a few hours and does not require any specialized tools.

Cons:

1. Cost: The cost of the GM 21999314 Quarter Panel Brace may be a deterrent for some consumers. While the brace may help prevent more expensive repairs in the future, the upfront cost can be significant.

2. Non-Universal Fitment: This particular brace is designed for specific GM vehicles, so it may not be a viable option for all car owners. Before making a purchase, it is important to ensure that the brace is compatible with your specific make and model.

3. Limited Visual Appeal: Some consumers may be put off by the appearance of the brace, as it is a visible addition to the underbody of the vehicle.

Conclusion:

The GM 21999314 Quarter Panel Brace is a worthwhile investment for consumers who are concerned about the structural integrity of their vehicle and are willing to pay the upfront cost. The brace can help prevent expensive repairs in the future and improve the overall safety and durability of the vehicle. However, it may not be a viable option for all car owners due to its non-universal fitment and limited visual appeal.

Recommendation:

If you own a compatible GM vehicle and are concerned about the structural integrity of the quarter panel, the GM 21999314 Quarter Panel Brace is a solid investment. However, it is important to weigh the potential benefits against the cost and consider other options, such as regular maintenance and inspections, to ensure the longevity and safety of your vehicle.

part # 21999314 price

  • $41.39

specifications fenderfolly:

  • for years: 2003-2006
  • brand: Gm
  • part type: Quarter Panel
  • manufacturer part number: 21999314
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Chevrolet
  • year: 2003 2004 2005 2006
  • parts included: Only Part Reference 2 On The Diagram Is Included
  • replaces part number: 15183524, 88987654

general fenderfolly:

  • condition: New
  • Exterior Parts Accessories > Panels > Body Side Quarter Panels

seller fenderfolly:

  • rating: 99.6%
  • # reviews: 7685

offer fenderfolly:

  • quantity: 1
  • started: March 30, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

returns fenderfolly:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

payments fenderfolly:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

shipping fenderfolly:

  • transit: 3-7 Days
  • type: Fixed
  • class: Standard
  • cost: $11.99
  • service: Standard
for years: 2003-2006, part type: quarter panel, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, year: 2003 2004 2005 2006, parts included: only part reference 2 on the diagram is included, replaces part number: 15183524, 88987654,
manufacturer: chevrolet, category: auto parts > exterior parts accessories > panels > body side quarter panels, sku: 12091193594513663,

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1 offer $41.39 USD
  • Offer #1: $41.39 price + $11.99 delivery = $53.38* total.+$11.99 shipping