
Dorman 946-072 Drive Shaft - Rear
Reliable Drive Shaft Replacement for Chevrolet and GMC Vans
The Dorman 946-072 drive shaft is engineered to provide dependable driveline performance for Chevrolet Express 3500 and GMC Savana 3500 models. Designed with adjustable length and greaseable features, this steel drive shaft ensures a precise fit and long-lasting operation.
- Constructed from durable steel for strength and reliability
- Regular grade type suitable for standard driveline applications
- 3-inch shaft diameter for optimal torque handling
- Overall length adjustable up to 99.875 inches for precise fitment
- Wall thickness of 0.083 inches balances strength and weight
- Greaseable design allows for easier maintenance and extended service life
- Includes one rear driveshaft compatible with Chevrolet Express 3500 and GMC Savana 3500
Detailed Drive Shaft Specifications and Features
The Dorman 946-072 drive shaft is crafted from steel, providing the necessary durability to withstand the demands of heavy-duty vans like the Chevrolet Express 3500 and GMC Savana 3500. Its 3-inch diameter shaft and 0.083-inch wall thickness offer a balance between strength and flexibility, ensuring smooth power transfer from the transmission to the rear axle. The adjustable overall length of 99.875 inches allows for precise installation, accommodating slight variations in vehicle setup. Additionally, the greaseable feature simplifies routine maintenance, helping to prevent premature wear and extend the life of the driveline component.
Applications and Common Issues Addressed
- Replacement for worn or damaged rear driveshafts on Chevrolet Express 3500 and GMC Savana 3500
- Resolves driveline vibrations caused by bent or imbalanced shafts
- Addresses issues with worn universal joints by providing a compatible shaft
- Corrects improper shaft length that can lead to driveline noise or failure
- Improves driveline reliability in vehicles used for heavy hauling or commercial purposes
Installation Notes and Tips
When installing the Dorman 946-072 drive shaft, ensure the adjustable length is set accurately to match the vehicle’s specifications. Proper lubrication of the greaseable fittings is essential to maintain smooth operation and prevent premature wear. It is recommended to inspect related driveline components such as universal joints and yokes during installation to ensure overall system integrity.
Quality Assurance and Warranty Information
Dorman manufactures this drive shaft to meet or exceed OEM standards for fit, form, and function. The steel construction and greaseable design contribute to its durability and service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Dorman |
| Part Number | 946-072 |
| Shaft Material | Steel |
| Grade Type | Regular |
| Shaft Diameter | 3 |
| Drive Shaft Length (In) | 99.875 in |
| Drive Shaft Wall Thickness (In) | 0.083 in |
| Greaseable Drive Shaft | Yes |
| Overall Length Adjustable | Yes |
| Package Contents | 1 rear driveshaft |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2009 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2008 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2008 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2007 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2007 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2006 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2006 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2005 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2005 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2004 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2004 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2003 | Chevrolet | Express 3500 | Cutaway Van | RWD | 159.0" | Rear | |
| 2003 | GMC | Savana 3500 | Cutaway Van | RWD | 159.0" | Rear |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.