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OE Quality
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Dorman 924-5021 Exhaust Heat Shield
Dorman 924-5021 Exhaust Heat Shield
Restore underbody heat protection and eliminate a loose heat shield rattle with this Dorman direct replacement. The 924-5021 is built to replace a corroded or damaged original shield and help protect nearby components from exhaust heat on compatible Chevrolet and GMC applications.
Key Features
- Direct replacement exhaust heat shield for OE-style fitment
- Stainless steel and insulating fiber construction
- Glossy black, white, and black/white finish details
- Stainless steel band clamp attachment style
- Designed to address heat shield noise and deterioration
- Part number 924-5021 for catalog and search reference
Detailed Description
Dorman 924-5021 is an exhaust heat shield replacement made to restore the vehicle’s original heat management function after the factory shield becomes loose, rusted, or damaged. Its stainless steel and insulating fiber construction is intended to help shield surrounding underbody components from exhaust heat while reducing the rattling commonly associated with failing OE shields. This part is a practical choice for drivers searching for a Chevrolet Silverado heat shield replacement, GMC Sierra exhaust heat shield, or a direct-fit underbody heat shield solution identified by part number 924-5021.
This part cross-references GM OE numbers 21533402 and 22983867 for the same application.
What It Helps Solve
- Rattling or buzzing from a loose exhaust heat shield
- Corrosion-related failure of the original shield
- Heat exposure to nearby floorpan or underbody components
- Missing or damaged OE heat shield material
- Noise complaints tied to a deteriorated shield on Chevrolet Silverado and GMC Sierra trucks
Installation Notes and Tips
Inspect the surrounding exhaust, mounting points, and adjacent panels before installation. Remove any loose rust or debris from the attachment area so the replacement shield seats correctly. Verify the shield location against the original part before securing it with the stainless steel band clamp attachment style. For fitment-based searches, confirm the application by year, make, model, and position before ordering Dorman 924-5021.
Quality Assurance
Dorman manufactures direct replacement parts to match OE function and restore original vehicle performance where factory components have failed. This heat shield is built for replacement use on the specified Chevrolet and GMC applications and is identified in the catalog as part number 924-5021.
| Brand | Dorman |
|---|---|
| Part Number | 924-5021 |
| Material | Acero inoxidable |
| Material | Fibra aislante |
| Material | Insulating fiber |
| Material | Stainless steel |
| Length | 21.5 |
| Length | 29 |
| Color | Black |
| Color | Negro, blanco |
| Color | White |
| Thickness | 0.5 |
| Finish | Brillante |
| Finish | Glossy |
| Attachment Type | Grampa de banda de acero inoxidable |
| Attachment Type | Stainless steel band clamp |
| Width | 3.85 |
| Contenidos del paquete | 1 manta aislante |
| Contenidos del paquete | 2 grampas |
| Package Contents | 1 insulating blanket |
| Package Contents | 2 clamps |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.