435-10124B
435-10124B
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GM 10.5" 14-Bolt 4.10 Ratio | 2019–2025 Chevy Express 3500 / 2019–2021 GMC Savana 3500

SKU
435-10124B
Price
$3,745.00
Core Charge
$1,500.00
Base Add-Ons
Differential Add-Ons
Warranty (Select One)
Features and Benefits
Direct-fit GM 10.5" 4.10 ratio configuration matches OE specs exactly for the 2019–2025 Chevrolet Express 3500 and 2019–2021 GMC Savana 3500 — no modifications required.
Housing is fully inspected, cleaned, and media-blasted to OEM finish before assembly — ensuring the foundation is structurally sound before any internal components are installed.
100% new internal components replace anything that fails to meet OE specification — this is a true remanufacture, not a clean-and-reseal rebuild.
Premium bearings from Timken and Koyo — OE-quality brands trusted by professional drivetrain technicians — are installed new in every unit for long-term reliability.
Differential cover included with every unit — eliminates the need to source a separate cover and ensures a complete, properly sealed installation from day one.
Engineered OEM design improvements are applied where original equipment weaknesses are identified — delivering a unit that performs beyond the original specification, not just to it.
Manufacturer warranty coverage provides post-installation confidence for fleet operators, commercial shops, and owner-operators who cannot afford drivetrain downtime.
Brand: US Powertrain

2019 GMC Savana 3500
2019-2021 Chevrolet Express 3500
Differential
Remanufactured Rear Differential 2019-2021 GM Express/Savanna with DRW
Direct Replacement for Proper Fit
100% Replacement of parts that do not meet OE specifications
100% new gaskets, OE quaility seals and OE quality bearings from TIMKEN and KOYO
100% Inspection of housing and cleaned/blasted to OEM finish
Up to 3 year warranty!
Axle Type: GM 10.5"
Gear Ratio: 4.10
Housing Bolt Quantity: 14
Mounting Hardware Included: No

Interchange:

  • General Motors: 84482111

Applications:

  • 2019-2021 Chevrolet Express 3500 - PartType: Differential - Position: Rear
  • 2019-2019 GMC Savana 3500 - PartType: Differential - Position: Rear
Installation Instructions
INS_FORM.docx (171.9 KB)
Warranty
US POWERTRAIN standard warranty for cars and light truck up to and including 1 ton is 36 months/36,000 miles. All commercial, farm and larger than 1-ton trucks is 12 months/18,000 miles from original date of purchase. This is a general warranty statement and not to be construed as a complete warranty. There is NO warranty on vehicles modified from stock.
Core Charge
$1,500.00
Dimensions
60 × 40 × 24 in
Weight
375 lb
Vehicle Fitment
2021 Chevrolet Express 3500
2019 GMC Savana 3500
2020 Chevrolet Express 3500
2019 Chevrolet Express 3500
2022 Chevrolet Express 3500
2023 Chevrolet Express 3500
2024 Chevrolet Express 3500
2020 GMC Savana 3500
2021 GMC Savana 3500
2025 Chevrolet Express 3500
Fitment Qualifiers
with 10.5in Ring Gear
with Dual Rear Wheels (DRW)
with Posi-Traction
with 4.10 Gear Ratio
Application Summary
2019-2025 Chevrolet Express 3500 - Rear Differential
2019-2021 GMC Savana 3500 - Rear Differential
Category
Driveline and Axles
Differential
Part Type
Differential
Brand
US Powertrain
Color
Black
Finish
Black Painted
Material
Steel/Iron
Axle Type
GM 10.5"
Position
Rear
Cover Included
Yes
Gear Ratio
4.10
Grade Type
Remanufactured
Housing Bolt Quantity
14
Mounting Hardware Included
No
Mounting Hole Quantity
10
Prop 65 - Long Label
This product may contain a chemical known to the state of California to cause cancer or birth defects. www.p65warnings.ca.gov
Prop 65 - Short Label
WARNING: Cancer – www.p65warnings.ca.gov
Prop 65 Y/N
Yes