aFe Power Differential Cover (MPN: 46-70370)

Enhance axle protection with advanced engineering and design.

aFe Power's rear differential cover is engineered to provide superior protection for GM 9.5 axles. Constructed from durable A356-T6 cast aluminum, this cover features reinforcing ribs and a raw finish with machined fins, ensuring maximum strength and a distinctive appearance. The design includes a calibration plug set to the factory fluid level, preventing overfilling and ensuring optimal performance.

This differential cover is equipped with a magnetic drain plug and a deep reach magnetic fill plug, which capture loose particles to enhance rear-end protection. With a 4 quart capacity, it offers increased fluid volume compared to factory covers, which typically hold about 3 quarts. The built-in external fins facilitate heat transfer from the fluid to the outside air, promoting effective cooling during operation.

Installation is straightforward with included mounting hardware, making it a practical choice for those looking to improve their vehicle's differential performance. This cover is designed for durability and efficiency, making it a valuable addition to any GM 9.5 axle setup.

Features

• Constructed Out Of Durable A356-T6 Cast Aluminum
• Reinforcing Ribs With A Raw Finish And Machined Fins
• Magnetic Drain And Fill Plug That Capture Loose Particles For Maximum Rear-End Protection
• Calibration Plug Set To The Factory Fluid Level To Eliminate Overfilling
• 4 Quart Gear Oil Capacity At The Factory Fill Level, Factory Cover Holds About 3 Quarts
• Built-In External Fins Transfer Heat From The Fluid To The Outside Air For Maximum Cooling
• Incorporates A Magnetic Drain And Deep Reach Fill Plug That Captures Loose Particles For Maximum Rear-End Protection

Specifications

• Manufacturer: Advanced FLOW Engineering
• Manufacturer Part Number: 46-70370
• Axle Model: GM 9.5 Inch
• Cover Bolts: 14
• Color: Silver
• Material: A356-T6 Cast Aluminum
• Type: Slotted
• Finish: Raw
• Carrier Main Cap Support/Girdle: No
• Includes Drain Plug: Yes
• Includes Filler Plug: Yes
• Includes Gaskets: No
• Includes Bolts/Studs: Yes

Compatibility / Fit

• 1999-2000 Chevrolet C2500
• 1999-2000 Chevrolet C3500
• 2001-2002 Chevrolet C3500HD
• 1999-2000 Chevrolet K2500
• 1999-2000 Chevrolet K3500
• 2001-2003 Chevrolet Silverado 1500 HD
• 2005-2006 Chevrolet Silverado 1500 HD
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 1999-2004 Chevrolet Silverado 2500
• 2001-2014 Chevrolet Silverado 2500 HD
• 2001-2006 Chevrolet Silverado 3500
• 2007-2007 Chevrolet Silverado 3500 Classic
• 2007-2014 Chevrolet Silverado 3500 HD
• 1999-2000 GMC C2500
• 1999-2000 GMC C3500
• 2001-2002 GMC C3500HD
• 1999-2000 GMC K2500
• 1999-2000 GMC K3500
• 2001-2003 GMC Sierra 1500 HD
• 2005-2006 GMC Sierra 1500 HD
• 2007-2007 GMC Sierra 1500 HD Classic
• 1999-2004 GMC Sierra 2500
• 2001-2014 GMC Sierra 2500 HD
• 2001-2006 GMC Sierra 3500
• 2007-2007 GMC Sierra 3500 Classic
• 2007-2014 GMC Sierra 3500 HD

Technical Documents

• 46-70370_INS.pdf