Dorman 946-178 Drive Shaft
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$405.54
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
Replacing a drive shaft doesn't have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.
- Direct replacement - this drive shaft is made to the original equipment dimensions for dependable fit and performance
- 100% new - this drive shaft is made from all new components so there's no core charge or return hassle
- Ready to install - this drive shaft arrives pre-balanced to make installation quick and simple
- Serviceable construction - non-staked universal joints are designed for future serviceability
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2019 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2019 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2018 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2018 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2017 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2017 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2016 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2016 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2015 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2015 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2014 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2014 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2013 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2013 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2012 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2012 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2011 | Chevrolet | Silverado 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear | |
| 2011 | GMC | Sierra 2500 HD | 78.8 Inch BedLength; Crew Cab Pickup; RWD; Automatic Trans.; 6L90 Trans.; 6 Speed Trans.; 153.7 Inch Wheelbase | Rear |
Product Specifications
| Axle Nut Included: | No |
|---|---|
| CV Joints Included: | No |
| Drive Shaft Length (In): | 102.138 in |
| Drive Shaft Wall Thickness (In): | 0.083 in |
| Grade Type: | Regular |
| Greaseable Drive Shaft: | Yes |
| Overall Length Adjustable: | Yes |
| Package Contents: | 1 Driveshaft |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Shaft Diameter: | 3.5 in |
| Shaft Material: | Steel |
| Slip Yoke: | Yes |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 20914847 | GENERAL MOTORS |
| 22772391 | GENERAL MOTORS |
| 22790496 | GENERAL MOTORS |
| 22790506 | GENERAL MOTORS |
| 22886998 | GENERAL MOTORS |
| 23251128 | GENERAL MOTORS |
| 23396456 | GENERAL MOTORS |
| 25824501 | GENERAL MOTORS |
| 84346700 | GENERAL MOTORS |
| 84669672 | GENERAL MOTORS |