Exhaust Brake 3969392

positive OEM
Cummins
Part# 3969392
note
Auxiliary exhaust brake creating backpressure to assist vehicle deceleration.
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Extended Lead Time
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Description

The Cummins Exhaust Brake (3969392) is an auxiliary braking component that increases vehicle control by creating exhaust backpressure to slow engine speed. It supplements the primary braking system to reduce wear and improve safety during deceleration. This exhaust brake is engineered to integrate with heavy-duty truck exhaust systems for enhanced braking performance.

Key Specifications

  • Application: EPA02 8.9 liter ISC/ISL engines
  • Function: Creates exhaust backpressure to slow engine rotation
  • Compatibility: ISC CM850, ISL9 CM2150 SN engine series
  • Construction: Metal valve assembly with durable housing
  • Features: Compact valve mechanism, exhaust flow control
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3969392
Type OEM
Part# variations 3969392 CUM,
3969392CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty