Zumbrota Drivetrain RAA440-1410 Remanufactured 210mm IRS Rear Axle Assembly RWD 2.82 Ratio

The Zumbrota Drivetrain RAA440-1410 is a remanufactured 210mm Independent Rear Suspension (IRS) rear axle assembly built for rear-wheel-drive applications with a 2.82 gear ratio. Engineered to meet or exceed original equipment specifications, this complete axle assembly delivers reliable, factory-level performance as a direct-fit replacement.

Zumbrota Drivetrain remanufactures each axle assembly to the highest standards of precision and quality. Every unit undergoes a rigorous multi-stage inspection and rebuilding process before leaving the facility.

Remanufacturing Process Includes:

• Full inspection of axle tubes for straightness, cracks, and surface wear to ensure OEM standards
• 100% replacement of all bearings and seals
• Complete inspection and testing of all internal components including ring & pinions, internal gears, clutches, and carriers
• Gear tooth contact patterns and rolling torque verified using inch-pound measurements for precise, long-lasting setup
• Correct gear backlash set to ensure proper lubrication and quiet operation
• Exclusive hydro-blast rinse and sandblasting procedure on all internal and external parts, followed by a proprietary deep-cleaning process
• All housings cleaned using state-of-the-art hydro-blasting and rinsing equipment

Key Specifications:

• Ring gear size: 210mm
• Axle type: Independent Rear Suspension (IRS)
• Drive type: Rear-Wheel Drive (RWD)
• Gear ratio: 2.82
• Part number: RAA440-1410

Backed by Zumbrota's standard 2-year/unlimited mileage warranty for 3/4-ton and lighter applications, this remanufactured axle assembly is the trusted choice for a lasting drivetrain repair.