19-25 Ram 1500 Differential - Rear - Zumbrota Drivetrain - RAA435-10079A

Rear Axle Assembly
RAA435-10079A
Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts
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Reman Axle Assy, ZF 9.25 In., 19-25 Ram 1500 3.21 Ratio, w/ Clutch Style Posi
Reman Axle Assy, ZF 9.25 In., 19-25 Ram 1500 New Body Style w/ 6 Lug Wheels, 3.21 Ratio, w/o Electronic Locking Differential, w/ Clutch Style Posi
Remanufactured Rear Axle Assy, ZF 9.25 In., 19-25 Ram 1500 New Body Style w/ 6 Lug Wheels, 3.21 Ratio, w/o Electronic Locking Differential, w/ Clutch Style Posi
Zumbrota Drivetrain Axle Assemblies are rebuilt to the highest quality standards of precision and reliability. Each Axle assembly is thoroughly inspected for straightness, cracks and surface wear. All internal components are fully inspected and tested including ring and pinions, internal gears, clutches and carriers. All bearings and seals are replaced. Gears are fully inspected for optimal tooth contact patterns and correct rolling torque using inch pound measurements for precise setup and longevity. Correct gear backlash is set to ensure proper gear lubrication and quiet operation. Axle tubes are inspected to ensure OEM standards of straightness. Zumbrota uses an exclusive hydro-blast rinse and sandblasting procedure on internal and external parts, followed by a proprietary shot-enticed deep cleaning, setting the standard for Axle assembly remanufacturing.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
All housings are cleaned utilizing our state of the art hydro blasting and rinsing process. This process is what brings all cases back to the OEM finish.
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
100% inspection of all internal parts, including Ring and Pinion’s, Internal Gears, Clutch’s and Carrier’s
All housings are tested for surface wear and cracks.
All tubes are inspected to ensure they are straightened to OEM specifications.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
All housings are cleaned utilizing our state of the art hydro blasting and rinsing process. This process is what brings all cases back to the OEM finish.
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
100% inspection of all internal parts, including Ring & Pinion’s, Internal Gears, Clutch’s & Carrier’s
All housings are tested for surface wear and cracks.
All tubes are inspected to ensure they are straightened to OEM specifications.
Axle Type: Semi Floating
California Proposition 65: WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Cover Included: Yes
Fluid Capacity: 2.85
Fluid Included: No
Gear Ratio: 3.21
Grade Type: Regular
Housing Cover Bolt Quantity: 12
Ring Gear Diameter: 9.25

Detailed Fitment Results
Year Make Model Fitment Notes 2019 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2020 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2021 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2022 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2023 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2024 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts 2025 Ram 1500 Ratio: 3.21; ZF 9.25 Inch Ring Gear, 12 Bolt Hexagon Cover, 6 Lug Wheels, Without Electronic Posi Traction, With Trac Lock Posi, Does Not Include Hubs, Brakes, Backing Plates, Or Axle Shafts