3.90 Rear Axle Limited-Slip Differential

The Mopar 68427798AA is a 3.90 ratio ZF Limited Slip Rear Differential, designed as a direct replacement or upgrade for specific Dodge vehicles. Constructed from production-grade materials, this component is built to withstand the rigors of daily driving while maintaining optimal gear engagement and alignment. It plays a crucial role in transferring engine power to the rear wheels, facilitating smooth rotation and controlled torque distribution for consistent performance across varied driving conditions. This differential is a standard feature on 6-speed manual Scat Pack and SRT models and is also compatible with other applications. It is a direct plug-and-play component for 2015-2023 Dodge Charger and Challenger models equipped with 230mm axles. It replaces several Mopar part numbers, including 05038703AD, 05038703AE, 05038703AF, 05038703AH, 5038703AC, 5038703AG, 5038703AI, and 5038703AJ. Specific fitment notes indicate compatibility with 5.7L V8 Hemi VVT engines and 6.4L V8 SRT Hemi engines, paired with a 6-speed manual Tremec transmission. Applications include R/T and 392 Hemi Shaker trims. Please be aware that due to its heavy weight, this item incurs a high shipping cost, with specific flat rates applied for lower 48 states shipping.