| Brand | GM Genuine Parts |
| FAQ - Answer 1 | No. Doubling the insulation will not increase the effectiveness of decreasing sound. |
| FAQ - Question 1 | Will doubling the insulation increase soundproofing? |
| Features & Benefits - Bullet 1 | Helps reduce road noise from entering vehicle interior |
| Features & Benefits - Bullet 2 | Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) |
| Features & Benefits - Bullet 3 | GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. |
| Features & Benefits - Bullet 4 | GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle |
| Features & Benefits - Bullet 5 | GM regularly updates production and service part designs to integrate new materials and technologies |
| Features & Benefits - Bullet 6 | Collision parts are designed to help promote proper and safe repair |
| Good Maintenance Practices - Section 1 - Bullet 1 | Before the purchase and installation of a fender insulator, make sure it is the correct size and fit for your vehicle. |
| Good Maintenance Practices - Section 1 - Bullet 2 | Replace any damaged pieces of the insulator. |
| Good Maintenance Practices - Section 1 - Bullet 3 | Regularly inspect your fender insulator for signs of damage or wear, and replace them if signs of damage are found. |
| Good Maintenance Practices - Section 1 - Bullet 4 | Refer to your Vehicle Owner's manual for additional vehicle maintenance practices. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Rattling or squeaking sound while vehicle is in motion |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Loose insulator |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear or damage for fender insulators include but are not limited to: |
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov 