Diaphragm 4090277

positive OEM
Cummins
Part# 4090277
note
Flexible diaphragm regulating air pressure in heavy-duty truck brakes.
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Description

The Cummins Diaphragm (4090277) is a flexible component used to regulate air pressure within heavy-duty truck braking systems. It expands and contracts in response to pressure changes, playing a critical role in controlling brake operation for safe vehicle deceleration under load.

Key Specifications

  • Application: Heavy-duty truck braking systems
  • Function: Air pressure regulation in brake system
  • Compatibility: Commercial heavy-duty trucks
  • Construction: Rubber-based flexible material
  • Features: Pressure-responsive expansion and contraction
  • 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# 4090277
Type OEM
Part# variations 4090277 CUM,
4090277CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty