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3870838 Genuine Cummins Exhaust Brake Control

3870838 Genuine Cummins Exhaust Brake Control

P/N: 3870838 Manufactured by: Cummins
$349.00 - $349.00
$349.00
$349.00 - $349.00
$349.00
1 in Stock
Condition: New
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2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 3870838 is a genuine Cummins exhaust brake control designed for compatible Cummins engine applications equipped with an exhaust brake system. It controls exhaust brake operation by managing the required control signals to support engine braking during vehicle deceleration and downhill operation.

Product Features

The 3870838 exhaust brake control is manufactured to Cummins specifications for engine brake control system operation.

  • Controls exhaust brake activation through the factory control circuit.
  • Processes operating signals required for engine braking functions.
  • Supports proper exhaust brake engagement during vehicle deceleration.
  • Integrates with compatible Cummins engine control system components.
  • Maintains stable communication within the engine braking control network.
  • Assists consistent exhaust brake operation under varying driving conditions.

Technical Specifications

Condition New
Brand Cummins
Part Number 3870838
Part Type Exhaust Brake Control


Installation Notes

The 3870838 should be installed after inspecting the electrical connectors, mounting points, and control wiring for corrosion, loose terminals, or damaged insulation that could interfere with exhaust brake operation. After installation, verify proper communication with the engine control system and confirm correct exhaust brake engagement during functional testing.

Always verify the part number, engine model, exhaust brake configuration, and electrical connector type before installation.