Ford (Power - Disc/Disc) Differential - Front - Zumbrota Drivetrain - RAA434-1351B

Front Axle Assembly
RAA434-1351B
Ratio: 3.73; Dana 50, 9 Inch Ring Gear, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole, From 3/15/99
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Reman Dana 50 Front Axle Assembly, 1999-01 F250/F350, SRW, Rear ABS, 3.73 Ratio
Remanufactured Dana 50 Front Axle Assembly, 1999-01 Ford F250/F350, SRW, Rear ABS, 3.73 Ratio
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.
All tubes are inspected to ensure they are straightened to OEM specifications.
All housings are tested for surface wear and cracks.
100% inspection of all internal parts, including Ring and Pinion’s, Internal Gears, Clutch’s and Carrier’s
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
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.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
All tubes are inspected to ensure they are straightened to OEM specifications.
All housings are tested for surface wear and cracks.
100% inspection of all internal parts, including Ring & Pinion’s, Internal Gears, Clutch’s & Carrier’s
100% replacement of bearings, seals, crush sleeves, pinion nuts and shims.
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.
Correct rolling torque established using inch pound measurement’s for precision setup and longevity
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.
Gear Ratio: 3.73

Detailed Fitment Results
Year Make Model Fitment Notes 1999 Ford F-250 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole, From 3 / 15 / 99 1999 Ford F-350 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, Single Rear Wheels, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole, From 3 / 15 / 99 2000 Ford F-250 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole 2000 Ford F-350 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, Single Rear Wheels, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole 2001 Ford F-250 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole 2001 Ford F-350 Super Duty Ratio: 3.73; Dana 50, 9 Inch Ring Gear, Single Rear Wheels, 13 mm Thick Hub Flanges, Rear Wheel ABS Only, 0.881" Track Bar Mount Hole