This black nylon hood insulation retainer is designed to secure the hood insulation pad or liner to the underside of the hood on select GM vehicles. The wide push-in single-head design provides a replacement for worn, broken, or missing clips encountered during hood insulation replacement, restoration, engine compartment service, or body repair.
This retainer features a 40mm head diameter, 8mm stem diameter, and 13mm stem length. It cross-references GM OEM numbers 15678493 and 21039141 for replacement when the original fastener matches the specified dimensions and design.
OEM Cross Reference
GM: 15678493
GM: 21039141
| Product Type | Hood Insulation Retainer |
| Application | GM |
| Type | Single Head |
| Head Diameter | 40mm |
| Stem Diameter | 8mm |
| Stem Length | 13mm |
| Material | Nylon |
| Color | Black |
| GM OEM Cross Reference | 15678493, 21039141 |
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