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Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.

5257857 Genuine Cummins ECM Wiring Harness Assembly

P/N: 5257857 Manufactured by: Cummins
Original price $1,999.00 - Original price $1,999.00
Original price
$1,999.00
$1,999.00 - $1,999.00
Current price $1,999.00
1 in Stock
Condition: New
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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 5257857 is a genuine Cummins Electronic Control Module Wiring Harness designed for factory engine electrical system operation. This wiring harness provides electrical connections between the electronic control module and related engine components for power and signal routing within the engine management system.

Product Features

The 5257857 Electronic Control Module Wiring Harness is manufactured to Cummins factory specifications for engine electrical system connectivity.

  • Connects the engine control module to related engine electrical components.
  • Supports power and signal routing within the factory engine management system.
  • Designed to match the OEM harness layout used for control module connections.
  • Integrates with the factory electrical system through the required connector interfaces.
  • Built for service installation following Cummins electrical system procedures.
  • Supplied as a new wiring harness for OEM service use.

Technical Specifications

Condition New
Part Number 5257857
Brand Cummins
Part Type Electronic Control Module Wiring Harness
Weight 10.20 lb


Installation Notes

The 5257857 Electronic Control Module Wiring Harness should be installed following Cummins OEM service procedures. Inspect connector condition, harness routing, and retaining points before placing the electrical system back into service.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.