15-23 Ford Mustang (2.3, 5.0) Drive Axle Assembly - Rear - Zumbrota Drivetrain - RAA440-1557B-P

Rear Differential
RAA440-1557B-P
Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction
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Reman Rear Axle Assembly, 8.8" IRS, 2015-23 Ford Mustang, 3.31 Ratio, Posi
Remanufactured Rear Axle Assembly, 8.8" IRS, 2015-23 Ford Mustang, 3.31 Ratio, 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.
Remanufactured Rear Axle Assembly
8.8" IRS
2015-23 Ford Mustang
3.31 Ratio
Posi Differential
Units are shipped in high density plastic totes to help eliminate in-transit damage
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
Remanufactured Rear Axle Assembly
8.8" IRS
2015-23 Ford Mustang
3.31 Ratio
Posi Differential
Units are shipped in high density plastic totes to help eliminate in-transit damage
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
Axle Type: IRS
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: 1.6
Fluid Included: No
Fluid Type: Non-Synthetic 80w-90
Gear Ratio: 3.31
Grade Type: Regular
Mounting Hardware Included: No
Pre-Filled Oil: No
Ring Gear Diameter: 8.8

Detailed Fitment Results
Year Make Model Sub Model Body Type Drive Type Bed Length (in) Fitment Notes 2015 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium / GT 50 Years Limited Edition Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2016 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2017 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2018 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2019 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2020 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2021 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2022 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction 2023 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium Ratio: 3.31; Ford 8.8 Inch Ring Gear, IRS, With Posi Traction