American Axle & Manufacturing 40146894 Loaded Open Differential Case Assembly for 11.5" Rear Axle

The American Axle & Manufacturing 40146894 is an OE-quality loaded open differential case assembly designed for the AAM 11.5-inch rear axle found in heavy-duty GM and RAM trucks. This complete assembly includes the differential case, internal spider gears, and side gears, providing everything needed for a professional differential repair or replacement.

Key Features:

• Complete loaded differential case assembly with internal gears installed
• Fits 2001-2019 GM/Chevrolet 2500/3500 series trucks with 11.5" AAM rear axle
• Compatible with 2003-2018 Dodge/RAM 2500/3500 trucks with 11.5" rear axle
• Features set screw design for cross pin retention versus snap ring
• Genuine OE-approved design engineered and manufactured by American Axle & Manufacturing
• Supersedes previous part number 40101020
• Maintains same external dimensions and internal specifications as original equipment

This differential case is manufactured to OEM specifications and validated to provide proper fit, function, and durability. AAM's authentic OE components are designed to eliminate noise, vibration, and harshness issues while delivering reliable performance in demanding heavy-duty truck applications. The loaded assembly simplifies installation by including all internal differential gears pre-installed in the case.