Specifications

The Detroit Diesel DDE/A0029906650 Nut is a genuine/OEM-style fastener used in heavy-duty applications where secure clamping and vibration resistance are critical. This part is commonly described as a hexagon nut with collar, a design that helps spread load and improves locking stability compared with a standard nut. Several cross-reference catalogs also link this OEM number to air compressor hardware (WABCO/Mercedes references), supporting its use in high-demand service environments. For best results, confirm thread and application by VIN or system diagram before installation.
Weight
0.10 lbs.

Compatibility

Freightliner Cascadia – Multiple model years

Freightliner Columbia – Multiple model years

Freightliner Coronado – Multiple model years

Freightliner M2 Series – Multiple model years

Alternative Part Numbers

  • 002 990 66 50
  • 0029906650
  • 01.15.139
  • 01.957
  • 7800 850 001
  • 7800850001
  • 8103410034
  • B177800850001
  • PMC-14-0001
  • VADEN 7800 850 001

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