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(888) 312-8812 Login SignupThe Freightliner Diesel Exhaust Fluid (DEF) Urea Line transfers DEF between system components as part of the emissions control process. Fluid is delivered through the line only when commanded by the aftertreatment system, allowing controlled dosing during vehicle operation. The hose follows a fixed routing path, accommodating temperature shifts and vibration encountered during driving. Internal flow occurs intermittently, synchronized with emissions requirements rather than continuous circulation. Visual inspection of the line is commonly included during emissions system diagnostics. Built for Freightliner platforms using DEF systems, the Freightliner 04-28841-180 supports proper fluid delivery within the SCR system.
| Brand | Part Number |
|---|---|
| 04-28841-180 | |
| GATES | DEF7006 |
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