Dorman 934-301
Dorman 934-301 Drive Shaft Center Support Bearing User Manual
Model: 934-301 | Brand: Dorman
Product Overview
The Dorman 934-301 Drive Shaft Center Support Bearing is engineered to provide a direct replacement for the original bearing in specified Chrysler and Dodge models. This component is crucial for maintaining proper drivetrain alignment and reducing vibration, thereby restoring the vehicle's drivability.
Key Features:
- Direct Replacement: Designed to match the fit and function of the original bearing.
- Restores Functionality: Effectively eliminates drivetrain vibration and restores smooth operation.
- Durable Construction: Manufactured from quality materials for reliable performance and extended service life.
- Trustworthy Quality: Backed by over a century of automotive experience and product experts in the United States.
- Cost-Effective Solution: Allows for replacement of only the center support bearing, potentially saving costs compared to replacing the entire driveshaft.
Product Visuals

Image 1: Front view of the Dorman 934-301 Drive Shaft Center Support Bearing, showcasing its robust design and central bearing component.

Image 2: Rear view of the Dorman 934-301 Drive Shaft Center Support Bearing, highlighting the mounting points and overall structure.
Installation and Repair Considerations
Replacing a driveshaft component like the center support bearing requires specialized knowledge and tools. While general repair shops may not be fully equipped for complex driveshaft rebuilds, the Dorman 934-301 is designed as a direct replacement to simplify the process.
Unlike some aftermarket solutions that require returning the original part as a core, Dorman's driveshafts are 100% brand new, eliminating core charges and the need to ship old parts back. This streamlines the repair process for both professional technicians and do-it-yourself enthusiasts.
Key Advantages of Dorman Driveshafts (General):
- New Components: Built with new tubes, yokes, and universal joints.
- Balance-Checked: Each driveshaft is balance-checked to ensure smooth operation and prevent vibrations.
- Replaceable U-Joints: Features replaceable U-joints, making future service simpler, faster, and less expensive compared to non-serviceable staked joints found in some original equipment driveshafts.
- Pre-Balanced Multi-Piece Design: For extended length driveshafts, a unique "key" feature prevents incorrect assembly and maintains balance.
Video: This video provides an overview of Dorman's driveshaft solutions, highlighting the benefits of their new, balance-checked, and serviceable components compared to traditional repair methods and original equipment parts. It emphasizes the convenience and quality of Dorman's offerings for driveshaft repairs.
Maintenance
Regular inspection of your vehicle's driveshaft components, including the center support bearing, is recommended as part of routine vehicle maintenance. The Dorman 934-301 bearing is designed for long service life due to its durable construction.
For optimal performance and longevity, ensure that the bearing area is kept clean and free from excessive dirt or debris. The compatible lubricant for this bearing is Grease. If future service is required for the driveshaft, the replaceable U-joints featured in Dorman driveshafts simplify maintenance procedures.
Troubleshooting
A failing driveshaft center support bearing can manifest through several symptoms, primarily related to drivetrain performance and noise. If you experience any of the following, inspection of the center support bearing is advised:
- Drivetrain Vibration: A common symptom, often felt through the vehicle's floor or steering wheel, which may worsen with acceleration or at certain speeds.
- Clunking or Banging Noises: Particularly noticeable during acceleration, deceleration, or when shifting gears, indicating excessive play or failure in the bearing.
- Squeaking or Squealing Sounds: Can occur if the bearing is dry or worn, especially at lower speeds.
If these symptoms are present, it is recommended to have the vehicle inspected by a qualified technician to diagnose the issue and confirm if the center support bearing requires replacement.
Specifications
| Brand | Dorman |
| Model | 934-301 |
| Material | Rubber |
| Item Dimensions (L x W x H) | 7.9 x 7.2 x 3 inches |
| Item Weight | 0.01 Ounces |
| Bearing Number | 934 301 |
| Bearing Type | Housing Mounted Bearing |
| Compatible Lubricant | Grease |
| UPC | 019495374756 |
| Country of Origin | China |
| OEM Part Number | 5161435AA |
Warranty Information
Dorman driveshafts, including the 934-301 Center Support Bearing, are backed by a limited lifetime warranty. This warranty ensures confidence in the product's quality and durability, reflecting Dorman's commitment to providing reliable automotive solutions.
For specific terms and conditions of the warranty, please refer to the official Dorman warranty documentation or contact Dorman customer support.
Support and Additional Resources
For further assistance, detailed installation instructions, or to explore Dorman's full range of automotive parts, please utilize the following resources:
- Official Dorman Store: Visit the Dorman Store on Amazon
- Installation Manual (PDF): An official installation manual in PDF format is available for this product. While not directly embedded here, it can typically be found on the product's listing page or the manufacturer's website.
- Customer Service: For technical support or product inquiries, please contact Dorman customer service through their official channels.
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