*item may differ from images
This Premium Duramax/Cummins Rear Differential Cover Bolt Kit is an optional upgrade for Wehrli Custom Fab Diff Covers comprised of 14 specially selected high strength Stainless Steel 12-point ARP fasteners and matched washers for use with WCFab Duramax/Cummins AAM 11.5" Rear Differential Covers (WCF100113) and 2020-2025 GM 2500/3500HD & 2019-2024 Ram 2500/3500 Rear Differential Covers (WCF100114). Replaces the Socket Head Cap Screws and washers which are supplied with our kits standard to help put the finishing touch your custom build.
- Fitment Note: This kit is for use specifically with WCFab products. We cannot guarantee fitment or cross compatibility with OEM or other aftermarket diff covers at this time.
- 14 Specially Selected High Strength Stainless Steel 12-point ARP fasteners
- 14 Matched ARP Stainless Steel Washers
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2021-2025 | Chevrolet | Silverado 2500 HD | Custom |
| 2015-2025 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2025 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2025 | Chevrolet | Silverado 2500 HD | LTZ |
| 2004-2025 | Chevrolet | Silverado 2500 HD | WT |
| 2024-2025 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015-2025 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2025 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2025 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2025 | Chevrolet | Silverado 3500 HD | WT |
| 2003,2005-2010 | Dodge | Ram 2500 | Laramie |
| 2003-2010 | Dodge | Ram 2500 | SLT |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2003-2010 | Dodge | Ram 2500 | ST |
| 2008-2010 | Dodge | Ram 2500 | SXT |
| 2010 | Dodge | Ram 2500 | TRX |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 2003-2010 | Dodge | Ram 3500 | Laramie |
| 2003-2010 | Dodge | Ram 3500 | SLT |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2003-2010 | Dodge | Ram 3500 | ST |
| 2008-2009 | Dodge | Ram 3500 | SXT |
| 2007 | Dodge | Ram 3500 | TRX4 |
| 2020-2025 | GMC | Sierra 2500 HD | AT4 |
| 2024-2025 | GMC | Sierra 2500 HD | AT4X |
| 2002-2005,2015-2021 | GMC | Sierra 2500 HD | Base |
| 2011-2025 | GMC | Sierra 2500 HD | Denali |
| 2024-2025 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2022-2025 | GMC | Sierra 2500 HD | Pro |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2025 | GMC | Sierra 2500 HD | SLE |
| 2001-2025 | GMC | Sierra 2500 HD | SLT |
| 2003-2014 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2020-2025 | GMC | Sierra 3500 HD | AT4 |
| 2015-2021 | GMC | Sierra 3500 HD | Base |
| 2011-2025 | GMC | Sierra 3500 HD | Denali |
| 2024-2025 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2022-2025 | GMC | Sierra 3500 HD | Pro |
| 2007-2025 | GMC | Sierra 3500 HD | SLE |
| 2007-2025 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
| 2013-2024 | Ram | 2500 | Big Horn |
| 2011-2024 | Ram | 2500 | Laramie |
| 2014-2015 | Ram | 2500 | Laramie Limited |
| 2011-2021 | Ram | 2500 | Laramie Longhorn |
| 2016-2024 | Ram | 2500 | Limited |
| 2021-2024 | Ram | 2500 | Limited Longhorn |
| 2013-2015,2019-2024 | Ram | 2500 | Lone Star |
| 2012-2016 | Ram | 2500 | Outdoorsman |
| 2023-2024 | Ram | 2500 | Rebel |
| 2011-2018 | Ram | 2500 | SLT |
| 2024 | Ram | 2500 | Special Service |
| 2011-2013 | Ram | 2500 | ST |
| 2013-2024 | Ram | 2500 | Tradesman |
| 2013-2024 | Ram | 3500 | Big Horn |
| 2011-2024 | Ram | 3500 | Laramie |
| 2014-2015 | Ram | 3500 | Laramie Limited |
| 2011-2020 | Ram | 3500 | Laramie Longhorn |
| 2016-2024 | Ram | 3500 | Limited |
| 2021-2024 | Ram | 3500 | Limited Longhorn |
| 2013-2015,2017,2019-2022 | Ram | 3500 | Lone Star |
| 2011-2024 | Ram | 3500 | SLT |
| 2024 | Ram | 3500 | Special Service |
| 2011-2013 | Ram | 3500 | ST |
| 2013-2024 | Ram | 3500 | Tradesman |