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Most Used

Aftertreatment Breakout Harness

Professional Harness for DPF/SCR/DEF Systems

4.9|Professional Grade
$ 180

About this item

  • Universal: DPF, SCR, DEF, DOC — all major brands
  • Standard 9-Pin diagnostic port connector
  • Critical for forced DPF regeneration
  • Professional breakout grade, 5ft cable
  • Our #1 most requested harness

Software Compatibility

Nexiq USB-Link 3, INSITE, DDDL, ServiceMaxx, JPRO

Product Description

The most frequently needed harness in our remote diagnostic arsenal. Essential for diagnosing DPF regeneration failures, SCR efficiency faults, DEF quality problems, and DOC performance issues — which account for over 60% of the diagnostic calls we receive. Universal compatibility across all major aftertreatment systems.

Technical Specifications

Compatible Systems DPF, SCR, DEF, DOC — all major brands
Connector 9-Pin Diagnostic Port
Cable Length 5 ft (1.5m)
Shielding Full EMI shielding
Grade Professional breakout
Use Case Aftertreatment diagnostics & forced regen

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Related Guide

DPF Regeneration Guide for Heavy-Duty Trucks

Read our free technical guide for diagnosis tips and common fault codes.