US Powertrain Rear Remanufactured Dana M300 Differential — 11.8 IN Ring Gear 2017–2022 Ford F-450 & F-550 Super Duty
SKU
435.RM300-3
Price
$4,625.00
Core Charge
$1,500.00
Description
Features and Benefits
Remanufactured in the United States to meet or exceed original equipment specifications — restoring full Dana M300 differential performance without the cost of a new unit.
4.88 gear ratio precisely matched to OE spec for the 2017-2022 Ford F-450 and F-550 Super Duty — ensuring correct vehicle speed, power delivery, and drivetrain calibration.
11.8-inch ring gear and steel/iron housing construction deliver the load-bearing strength required for the towing, hauling, and payload demands of Class 4 and Class 5 Super Duty applications.
Differential cover is included with the unit — reducing parts sourcing complexity and enabling a more complete, one-order installation on the vehicle.
Black painted finish provides corrosion resistance suited for the under-vehicle environment on working trucks exposed to road salt, moisture, and harsh operating conditions.
US Powertrain engineering team evaluates and corrects known OEM design deficiencies during the remanufacturing process — not just restoring, but improving on the original where warranted.
Manufactured in the United States — supporting domestic production quality standards and ensuring traceability throughout the remanufacturing process.
Brand: US Powertrain
OEM Replacement Dana M300 4.88 Limited Slip Differential
2017-2022 Ford F-450/550 Super Duty
Differential
Dual wheel
Axle Type: Dual Wheel Rear Differential
Cover Bolt Quantity: 14
Gear Ratio: 4.88
Mounting Hardware Included: No
Ring Gear Outside Diameter: 11.8 Inch
Warranty Time: 1 Months
Applications:
OEM Replacement Dana M300 4.88 Limited Slip Differential
2017-2022 Ford F-450/550 Super Duty
Differential
Dual wheel
Axle Type: Dual Wheel Rear Differential
Cover Bolt Quantity: 14
Gear Ratio: 4.88
Mounting Hardware Included: No
Ring Gear Outside Diameter: 11.8 Inch
Warranty Time: 1 Months
Applications:
- 2017-2022 Ford F-450 Super Duty - PartType: Differential - Position: Rear
- 2017-2022 Ford F-550 Super Duty - PartType: Differential - Position: Rear
Installation
Installation Instructions
INS_FORM.docx
(171.9 KB)
Warranty
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
Core Charge
$1,500.00
Dimensions
Dimensions
60 × 40 × 24 in
Weight
375 lb
Fitment
Vehicle Fitment
2019 Ford F-450 Super Duty
2022 Ford F-550 Super Duty
2021 Ford F-450 Super Duty
2017 Ford F-550 Super Duty
2017 Ford F-450 Super Duty
2020 Ford F-450 Super Duty
2019 Ford F-550 Super Duty
2022 Ford F-450 Super Duty
2018 Ford F-450 Super Duty
2020 Ford F-550 Super Duty
2018 Ford F-550 Super Duty
2021 Ford F-550 Super Duty
Fitment Qualifiers
with Limited Slip Differential
with 41 Spline Shaft
with Dual Wheels
with 4.88 Gear Ratio
Application Summary
2017-2022 Ford F-450 Super Duty - Rear Differential
2017-2022 Ford F-550 Super Duty - Rear Differential
Specifications
Category
Driveline and Axles
Differential
Part Type
Brand
US Powertrain
Color
Finish
Material
Axle Type
Position
Cover Bolt Quantity
14
Cover Included
Yes
Gear Ratio
4.88
Grade Type
Remanufactured
Housing Bolt Quantity
12
Mounting Hardware Included
No
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
Ring Gear Outside Diameter
11.8
