aFe Power Cover Diff Rear Machined GM Diesel Trucks 01-18 V8-6.6L / GM Gas Trucks 01-18 V8-8.1L/6.0L - 46-71060B

aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all necessary hardware for easy installation. Pro Series differential covers include an oil level sight glass and magnetic deep reach fill plug. This cover is finished with black powder-coating and machined fins for a distinctive look. 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: Calibration plug set to the factory oil level to eliminate overfilling. Oil Level Sight Glass: A pre-installed oil level sight glass allows quick and easy oil inspection. When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.

This Part Fits:

Year	Make	Model	Submodel
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

Please note image may vary from product. Also, some items are special order. If delivery time is a concern, please contact us prior to purchase. ​

AFE (Advanced Flow Engineering) is a leading name in the world of high-performance automotive parts, trusted by enthusiasts who demand nothing but the best for their vehicles. Specializing in cutting-edge cold air intake systems, high-flow exhaust systems, premium performance filters, and more, AFE is all about unlocking your vehicle's true potential.

Designed for drivers who crave power, efficiency, and performance, AFE products are engineered to maximize airflow, boosting horsepower, torque, and fuel economy. Whether you're upgrading your truck, SUV, or performance car, AFE offers precision-engineered solutions that deliver impressive gains under the hood.

Crafted from top-tier materials like high-quality aluminum, stainless steel, and advanced filtration media, AFE parts are built for durability, performance, and style. With a commitment to innovation and excellence, AFE continues to push the boundaries of automotive performance, offering complete performance packages that transform your vehicle into a powerhouse on the road.

When you choose AFE, you're choosing a brand that’s as passionate about performance as you are. Unleash your vehicle’s full potential and experience the AFE difference today!

​The aFe POWER Product Development center is where great ideas take shape. Our product development engineers utilize the most sophisticated tools available for data capture and reverse engineering of complex vehicle geometry such as floor surfaces, cargo areas, window openings or fenders. In the end, R&D, Engineering, Product Design, Tool Manufacture and Marketing all come together to create the finest automotive accessories available, from Concept to Consumer!

Nestled in Corona, California sits our company headquarters where all the manufacturing magic happens. Our modern headquarters is home to a variety of resources – from order fulfillment, to marketing, to shipping operations – in one location, right here in America! Just a few paces from the conveyor belts, you’ll find our very own publicly-accessible factory store, which features the best products in vehicle protection on display and available for purchase!​

​When you choose AFE, you're choosing a brand that’s as passionate about performance as you are. Unleash your vehicle’s full potential and experience the AFE difference today!

Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the SpeedParts4Less Marketplace which sells other manufacturers quality high performance parts!