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Dorman 946-591 Drive Shaft - Rear
Durable Drive Shaft for Chevrolet Blazer, Tahoe, and GMC Yukon
The Dorman 946-591 drive shaft is engineered to provide reliable driveline performance for select Chevrolet and GMC models. Designed with steel construction and adjustable length, this drive shaft meets the demands of regular grade applications.
Key Features of the Dorman 946-591 Drive Shaft
- Constructed from durable steel for strength and longevity
- Adjustable overall length to accommodate precise fitment
- Includes slip yoke for smooth driveline connection
- 43.04 inches in length with a 2.75-inch shaft diameter
- Wall thickness of 0.065 inches for balanced rigidity
- Compatible with Chevrolet Blazer, Tahoe, and GMC Yukon models
- Does not include CV joints or axle nut
- Package contains one drive shaft
Detailed Description of the Dorman 946-591 Drive Shaft
This drive shaft is crafted from steel, providing the necessary strength to handle the torque and rotational forces in your vehicle's driveline system. The 2.75-inch diameter shaft and 0.065-inch wall thickness offer a balance between durability and weight. Featuring an adjustable overall length of 43.04 inches, the Dorman 946-591 allows for precise installation and alignment, reducing vibration and wear. The included slip yoke facilitates proper connection to the transmission or transfer case, ensuring smooth power transfer. This drive shaft is designed for regular grade use and does not come with CV joints or axle nuts, so it is intended for applications where those components are either already present or not required.
Applications and Common Issues Addressed
- Replacement for worn or damaged drive shafts on Chevrolet Blazer, Tahoe, and GMC Yukon
- Resolves driveline vibrations caused by incorrect shaft length or wear
- Addresses issues with slipping or binding in the driveline due to faulty slip yokes
- Restores proper power transfer from transmission to axle
- Suitable for vehicles requiring a steel, adjustable-length drive shaft
Installation Notes and Tips
Ensure the drive shaft length is properly adjusted to match your vehicle’s specifications before installation. Verify compatibility with your Chevrolet Blazer, Tahoe, or GMC Yukon model year and drivetrain configuration. Since this drive shaft does not include CV joints or axle nuts, reuse existing hardware or source replacements as needed. Proper lubrication of slip yoke splines is recommended to prevent premature wear.
Quality Assurance and Warranty
Dorman manufactures this drive shaft to meet industry standards for durability and performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Refer to Dorman’s official documentation for complete warranty information.
| Brand | Dorman |
| Part Number | 946-591 |
| Shaft Material | Steel |
| CV Joints Included | No |
| Grade Type | Regular |
| Shaft Diameter | 2.75 |
| Slip Yoke | Yes |
| Axle Nut Included | No |
| Drive Shaft Length (In) | 43.04 in |
| Drive Shaft Wall Thickness (In) | 0.065 in |
| Greaseable Drive Shaft | No |
| Overall Length Adjustable | Yes |
| Package Contents | 1 driveshaft |
This part fits 14 vehicles. Search below:
| Year | Make | Model | # Doors | Drive Type | Transmission | Fuel Type | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1999 | Chevrolet | Tahoe | 2 Door | 4WD | Automatic | 111.5" | Rear | wo/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case) | |
| 1998 | Chevrolet | Tahoe | 2 Door | 4WD | Automatic | 111.5" | Rear | wo/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case) | |
| 1997 | Chevrolet | Tahoe | 2 Door | 4WD | Automatic | 111.5" | Rear | wo/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case) | |
| 1997 | GMC | Yukon | 2 Door | 4WD | Automatic | 111.5" | Rear | ||
| 1996 | Chevrolet | Tahoe | 2 Door | 4WD | Automatic | 111.5" | Rear | wo/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case) | |
| 1996 | GMC | Yukon | 2 Door | 4WD | Automatic | 111.5" | Rear | ||
| 1995 | Chevrolet | Tahoe | 2 Door | 4WD | GAS | 111.5" | Rear | ||
| 1995 | GMC | Yukon | 2 Door | 4WD | GAS | 111.5" | Rear | ||
| 1994 | Chevrolet | Blazer | 2 Door | 4WD | GAS | 111.5" | Rear | ||
| 1994 | GMC | Yukon | 2 Door | 4WD | GAS | 111.5" | Rear | ||
| 1993 | Chevrolet | Blazer | 2 Door | 4WD | 111.5" | Rear | |||
| 1993 | GMC | Yukon | 2 Door | 4WD | 111.5" | Rear | |||
| 1992 | Chevrolet | Blazer | 2 Door | 4WD | 111.5" | Rear | |||
| 1992 | GMC | Yukon | 2 Door | 4WD | 111.5" | 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.