Rear Differential Assembly, 4.111 Viscous LSD

This genuine OEM component features a 4.111 gear ratio and is equipped with a viscous limited-slip differential (LSD) to provide improved traction across various driving conditions. It serves as a direct-fit replacement, ensuring compatibility with your vehicle's existing drivetrain architecture. This assembly is compatible with 2003-2008 Subaru Forester (including Sports, L.L.Bean, XS, and XT trims), as well as 2005-2006 Subaru Legacy and Outback models equipped with the 2.5L H4 Turbo engine. Please note that this part may have been superseded by newer part number 27011AA731. Installation requires standard automotive procedures, including securing the vehicle on jackstands, removing the inner CV joints by releasing the snap rings, and performing a full fluid service with the appropriate lubricant type and quantity. Proper torque specifications must be applied to all hardware during reassembly to ensure component longevity and safety.