Nut-Lock 688-0738

Meritor
Part# 688-0738
note
Locking transmission nut securing drivetrain components under heavy loads.
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Description

The Meritor Transmission Nut-Lock (688-0738) is a locking fastener designed to secure transmission assemblies in heavy-duty vehicles. It provides reliable clamp force and maintains preload under vibration and thermal cycling, ensuring stable torque transfer in drivetrain connections.

Key Specifications

  • Application: Transmission assemblies, drivetrain attachments
  • Function: Secure fastening and preload retention
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Steel material, flange-backed design
  • Features: 1-3/4-12 in thread size, locking nut, vibration resistant
  • Quality: OEM Meritor part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 688-0738
Part# variations TDA 688-0738,
TDA688-0738
Manufacturer Meritor
Warranty Standard Manufactures