aFe Power Cover Diff Rear Machined GM Diesel Trucks 01-18 V8-6.6L / GM Gas Trucks 01-18 V8-8.1L/6.0L
Increased Oil Capacity:
This cover has an increased oil capacity over stock for better performance over a longer duration.
Built-in Internal/External Fins:
Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling.
Magnetic Plugs:
This system incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection.
Calibration Plug:
A calibration plug set to the factory oil level to eliminate overfilling.
Oil Level Sight Glass:
A pre-installed oil level sight glass allows for quick and easy oil inspection.
When it comes to engineering for power, performance, protection, and value, aFe POWER is the only choice.
EMISSIONS DISCLAIMER
This product does not require a CARB EO#.
Product Details

- Constructed out of Durable Cast Aluminum
- Wrinkle-Black Powder-Coating with Machined Fins
- Dual Neodymium Magnetic Plugs are Used for Maximum Gear Protection
- Large Oil Level Sight Glass with Calibration Plug set to the Factory Oil Level to Eliminate Overfilling
- Fits AAM 11.5-14 Bolt Rear Axles
- Installation instructions
Fitment
Year | Make | Model | Sub-Model |
---|---|---|---|
2001-2004 | Chevrolet | Silverado 2500 | Base |
2001-2004 | Chevrolet | Silverado 2500 | LS |
2001-2004 | Chevrolet | Silverado 2500 | LT |
2004 | Chevrolet | Silverado 2500 | WT |
2001-2005 | Chevrolet | Silverado 2500 HD | Base |
2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
2001-2006 | Chevrolet | Silverado 2500 HD | LS |
2001-2019 | Chevrolet | Silverado 2500 HD | LT |
2007-2019 | Chevrolet | Silverado 2500 HD | LTZ |
2003-2019 | Chevrolet | Silverado 2500 HD | WT |
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 |
2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
2007-2019 | Chevrolet | Silverado 3500 HD | LT |
2007-2019 | Chevrolet | Silverado 3500 HD | LTZ |
2007-2019 | Chevrolet | Silverado 3500 HD | WT |
2002-2005,2015-2019 | GMC | Sierra 2500 HD | Base |
2011-2019 | GMC | Sierra 2500 HD | Denali |
2001-2002,2006 | GMC | Sierra 2500 HD | SL |
2001-2019 | GMC | Sierra 2500 HD | SLE |
2001-2019 | 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 |
2015-2019 | GMC | Sierra 3500 HD | Base |
2011-2019 | GMC | Sierra 3500 HD | Denali |
2007-2019 | GMC | Sierra 3500 HD | SLE |
2007-2019 | GMC | Sierra 3500 HD | SLT |
2007-2014 | GMC | Sierra 3500 HD | WT |
aFe's Warranty
For information on aFe's warranty terms and conditions, please click here.
Purchase Disclaimer: You are hereby informed and warned to check your local, state, and federal laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts. Bolt Motorsports does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Bolt Motorsports will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls. In accordance with local laws and regulations, Bolt Motorsports will not ship parts to locations where usage or installation of said part would be in violation of the aforementioned acts.