Product Description
The WEHRLI CUSTOM FAB WCF100421 BATTERY TRAY RELOCATION KIT is designed to relocate the passenger-side battery in 2011-2016 Duramax trucks to create additional engine bay space for high-performance turbo systems, intake upgrades, and custom fabrication projects. Built with precision laser-cut components and heavy-duty mounting hardware, this relocation kit allows Duramax owners to maintain dual battery functionality while opening up critical space in the engine compartment.
This kit is especially popular for LML Duramax turbo upgrades and large intake systems where factory battery placement interferes with aftermarket components. Wehrli Custom Fabrication engineered this kit to install cleanly while maintaining OEM-level reliability and battery security.
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Key Features
- Relocates passenger-side battery for improved engine bay clearance
- Essential for large turbo or intake upgrades
- Heavy-duty laser-cut steel mounting brackets
- Maintains dual battery functionality
- Durable corrosion-resistant finish
- Complete installation hardware included
- Designed and manufactured by Wehrli Custom Fabrication
Fitment
- 2011 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2012 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2013 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2014 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2015 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2016 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
- 2011-2016 GMC Sierra 2500HD / 3500HD 6.6L Duramax LML
Frequently Asked Questions
Why relocate the battery on an LML Duramax?
Relocating the battery creates critical space in the engine bay for larger turbochargers, custom intake piping, and other performance upgrades.
Does this kit remove the dual battery system?
No. The Wehrli WCF100421 kit allows you to retain dual batteries while relocating one of them to a more convenient position.
Is this required for large turbo kits?
Many large turbo kits and aftermarket intake systems require additional clearance that the factory battery location interferes with.
Is installation difficult?
This kit is designed for straightforward installation with basic tools. Professional installation is recommended when installing with turbo upgrades.
Does this kit include battery cables?
This kit focuses on relocating the battery tray and mounting hardware. Cable routing modifications may be required depending on your setup.
Specifications for WEHRLI CUSTOM FAB WCF100421
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100421 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 6 lbs |
| Package Dimensions | 16 x 10 x 6 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 |
