Zumbrota Drivetrain RAA440-1491 Remanufactured 230mm IRS Rear Differential 3.70 Ratio Electronic Locking

The Zumbrota Drivetrain RAA440-1491 is a professionally remanufactured 230mm Independent Rear Suspension (IRS) rear differential assembly designed for high-performance Jeep Grand Cherokee and Dodge Durango vehicles equipped with 6.4L engines. This unit features a 3.70 gear ratio and an integrated electronic locking differential for enhanced traction control in demanding driving conditions.

Key Features:

• Remanufactured to OEM specifications with complete tear-down and inspection process
• 230mm ring gear size for heavy-duty performance applications
• 3.70 gear ratio optimized for balance between acceleration and fuel economy
• Electronic locking differential provides on-demand traction control
• IRS (Independent Rear Suspension) design for improved ride quality and handling
• Direct replacement for 2014-2021 Jeep Grand Cherokee 6.4L SRT models
• Compatible with 2018-2022 Dodge Durango 6.4L SRT applications
• All internal components cleaned, inspected, and replaced as needed
• New bearings, seals, and gaskets installed during remanufacturing process

Zumbrota Drivetrain specializes in remanufactured driveline components built to meet or exceed original equipment standards. This differential assembly undergoes rigorous quality control testing to ensure reliable performance and durability. The electronic locking feature allows the driver to lock the rear axle for maximum traction in off-road or low-traction situations, making this an ideal replacement for performance SUV applications.