Heavy Hexagon Nut 203131

positive OEM
Cummins
Part# 203131
note
Heavy hex nut securing critical engine and brake components in heavy-duty applications.
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Description

The Cummins Heavy Hexagon Nut (203131) is a hexagonal fastener designed to secure critical components in heavy-duty engine assemblies. It provides reliable fastening under high stress and vibration conditions, ensuring structural integrity in demanding mechanical environments.

Key Specifications

  • Application: Cummins 4B3.9, 6B5.9, 6C8.3, B3.9 G, B4.5, B4.5 RGT, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 G CMOH6.0 B125, B6.7S, G5.9, G5.9 CM558, G8.3, G8.3 CM558, G855, G855 CM558, GTA8.3 CM558, GTA855 CM558 (CM2358) G101, ISB (Chrysler)
  • Function: Secures engine and brake system components
  • Compatibility: Heavy-duty truck engines, Cummins engine series
  • Construction: Steel material, hexagonal shape
  • Features: 3/8 - 24 UNF thread, heavy hex profile, corrosion-resistant plating
  • Quality: OEM Cummins 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). 

 

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More Information

Current Part# 203131
Type OEM
Part# variations 203131 CUM,
203131CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty