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DormanPart #: 946-344
Dorman 946-344 Drive Shaft - Rear
⚙️ 56 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,107.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, and Savana 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Drive Shaft options
Dorman 946-344 Drive Shaft - Rear
| Brand | Dorman |
| Part Number | 946-344 |
| Shaft Material | Steel |
| CV Joints Included | No |
| Grade Type | Regular |
| Shaft Diameter | 3.5 |
| Slip Yoke | Yes |
| Axle Nut Included | No |
| Drive Shaft Length (In) | 98.406 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 56 vehicles. Search below:
| Year | Make | Model | Drive Type | Fuel Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2017 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2017 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2017 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2016 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2015 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2014 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2013 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2012 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | Chevrolet | Express 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | Chevrolet | Express 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | GMC | Savana 2500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2011 | GMC | Savana 3500 | RWD | CNG | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2010 | Chevrolet | Express 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2010 | Chevrolet | Express 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2010 | GMC | Savana 2500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
| 2010 | GMC | Savana 3500 | RWD | FLEX | 155.0" | Rear | 2 Piece Shaft Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
20919637
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.