HomeDriveline and Axles > Drive ShaftNational HB-31 Drive Shaft Center Support
Part #: HB-31

National HB-31 Drive Shaft Center Support

⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Tacoma
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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.

BrandNational
Part NumberHB-31
Bore (Inch)1.1811
Bore (mm)30.0000
Outside Diameter (Inch)4.3415
Outside Diameter (mm)110.2740
Part DescriptionDrive Shaft Center Support
Type4
Width (Inch)2.3125
Width (mm)58.7380

This part fits 10 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2004ToyotaTacomaRWDN/AIncludes Bearing and Support
2003ToyotaTacomaRWDN/AIncludes Bearing and Support
2002ToyotaTacomaRWDN/AIncludes Bearing and Support
2001ToyotaTacomaRWDN/AIncludes Bearing and Support
2000ToyotaTacomaRWDN/AIncludes Bearing and Support
1999ToyotaTacomaRWDN/AIncludes Bearing and Support
1998ToyotaTacomaRWDN/AIncludes Bearing and Support
1997ToyotaTacomaRWDN/AIncludes Bearing and Support
1996ToyotaTacomaRWDN/AIncludes Bearing and Support
1995ToyotaTacomaRWDN/AIncludes 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:

37230-35130HB2380-40HB31

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.