OEM Replacment Stock ZF 3.21 Ratio 4WD Engineered for durability and peak performance, this part ensures reliability for your vehicle. Perfect for OEM replacement or upgrade needs 2012-2017 Ram 1500 Only OE grade bearings and seals US Powertrain remanufactured differentials are engineered to restore factory performance, reliability, and driveline confidence.

Designed as a direct replacement for worn or damaged original units, these differentials help eliminate noise, vibration, and inconsistent power delivery caused by internal wear. Each differential is professionally remanufactured using OE-grade components and strict quality control processes to ensure long-term durability.

Thorough inspection and testing help deliver smooth operation, proper gear engagement, and dependable torque transfer for daily driving, work applications, and light towing. This makes US Powertrain differentials a cost-effective alternative to New assemblies without sacrificing performance or reliability.

• Condition: Remanufactured
• Axle Type: Front differential
• Color: Gray
• Finish: Blasted aluminum
• Gear Ratio: 3.21 Ratio