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National HB-31 Drive Shaft Center Support
Overview of National HB-31 Drive Shaft Center Support
The National HB-31 drive shaft center support is engineered for Toyota Tacoma models requiring precise driveline stability. This component ensures proper alignment and support of the drive shaft, contributing to smooth power transfer and reduced vibration.
- Type: 4
- Bore Diameter: 1.1811 inches (30 mm)
- Outside Diameter: 4.3415 inches (110.274 mm)
- Width: 2.3125 inches (58.738 mm)
- Part Number: HB-31
Technical Specifications and Design Details
The HB-31 drive shaft center support features a bore size of 1.1811 inches (30 mm), designed to fit securely around the drive shaft for optimal support. Its outside diameter measures 4.3415 inches (110.274 mm), providing a robust housing that maintains shaft alignment under various driving conditions. The width of 2.3125 inches (58.738 mm) ensures adequate surface contact for stability without adding unnecessary bulk. This part is specifically manufactured to meet the dimensional requirements of Toyota Tacoma driveline systems.
Compatible Vehicles and Application
This drive shaft center support is compatible with Toyota Tacoma models, providing a direct replacement for worn or damaged center supports. The National HB-31 part number corresponds to OEM specifications, making it suitable for maintaining factory driveline performance and reliability.
- Reduces drive shaft vibration and noise
- Prevents misalignment and excessive wear
- Supports smooth rotational movement of the drive shaft
- Addresses issues related to center bearing failure
- Helps maintain driveline balance and vehicle stability
Installation Notes and Tips
When installing the National HB-31 drive shaft center support, ensure the bore diameter matches the drive shaft precisely to avoid play or binding. Proper alignment during installation is critical to prevent premature wear. It is recommended to inspect the drive shaft and surrounding components for damage or wear before fitting the new center support. Use appropriate torque specifications and verify that the support is securely mounted to the vehicle frame.
Quality Assurance and Warranty Information
National manufactures the HB-31 drive shaft center support to meet industry standards for durability and performance. While specific warranty details may vary, National parts typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the part’s reliability when installed on compatible Toyota Tacoma vehicles.
| Brand | National |
| Part Number | HB-31 |
| Bore (Inch) | 1.1811 |
| Bore (mm) | 30.0000 |
| Outside Diameter (Inch) | 4.3415 |
| Outside Diameter (mm) | 110.2740 |
| Part Description | Drive Shaft Center Support |
| Type | 4 |
| Width (Inch) | 2.3125 |
| Width (mm) | 58.7380 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2003 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2002 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2001 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2000 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1999 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1998 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1997 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1996 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1995 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
* 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.