Product Description
Improve front-end protection and airflow on your Duramax truck with the WEHRLI CUSTOM FAB WCF100291 BUMPER GRILLE designed specifically for the 2015-2019 GMC Sierra 2500HD and 3500HD equipped with the 6.6L Duramax LML or L5P engine. This precision laser-cut grille insert is engineered to protect critical cooling components like the intercooler and radiator while maintaining maximum airflow for towing, daily driving, or performance applications.
Manufactured by Wehrli Custom Fabrication, the WCF100291 bumper grille is built from high-quality aluminum and finished for durability in harsh diesel truck environments. The grille integrates cleanly into the lower bumper opening and helps prevent rocks, debris, and road hazards from damaging intercoolers and cooling systems without restricting airflow.
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Key Features
- Laser-cut aluminum grille insert
- Protects intercooler and radiator from road debris
- Maintains optimal airflow to cooling components
- Designed specifically for 2015-2019 GMC Sierra HD trucks
- Durable corrosion-resistant finish
- Simple bolt-on installation
- Engineered by Wehrli Custom Fabrication
Fitment
- 2015 GMC Sierra 2500HD 6.6L Duramax LML
- 2016 GMC Sierra 2500HD 6.6L Duramax LML
- 2017 GMC Sierra 2500HD 6.6L Duramax L5P
- 2018 GMC Sierra 2500HD 6.6L Duramax L5P
- 2019 GMC Sierra 2500HD 6.6L Duramax L5P
- 2015-2019 GMC Sierra 3500HD 6.6L Duramax LML/L5P
Installation Note: Designed as a direct bolt-in bumper grille insert using factory mounting locations for quick installation and a clean factory-style appearance.
Frequently Asked Questions
What does the bumper grille protect?
This grille protects the intercooler, radiator, and other front-mounted cooling components from rocks, road debris, and other hazards.
Does this reduce airflow to the radiator or intercooler?
No. The laser-cut design maintains excellent airflow while still providing protection from debris.
Is drilling required for installation?
No. The grille is designed to use factory mounting points for a straightforward installation.
Will this fit Denali models?
This grille is designed for 2015-2019 GMC Sierra HD trucks and generally fits most trim levels including Denali, but verifying bumper configuration is recommended.
Is this grille powder coated?
Yes, the grille features a durable finish designed to resist corrosion and maintain appearance in harsh environments.
Specifications for WEHRLI CUSTOM FAB WCF100291
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100291 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Material | Laser Cut Aluminum |
| Shipping Weight | Approximately 5 lbs |
| Package Dimensions | 30 x 12 x 4 inches |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
