Urea Return Pipe (National Vi)
Возвратная Трубка Мочевины
Tubo de Retorno de Urea
OEM Urea Return Pipe (National Vi) DZ96259740352 precision‑engineered for the Shacman X5000 heavy‑duty truck SCR system. This genuine DZ96259740352 fluid line carries excess diesel exhaust fluid from the dosing pump back to the storage tank.
Constructed with chemical‑resistant materials and integrated heating, the Urea Return Pipe (National Vi) DZ96259740352 ensures complete DEF system functionality in all climate conditions while meeting National Vi emissions standards.
Installing the genuine DZ96259740352 return pipe restores proper SCR system circulation and prevents the pressure buildup that can damage pump components and cause system fault codes.
| Parameter | Specification |
|---|---|
| OEM Part Number | DZ96259740352 |
| Product Name | Urea Return Pipe (National Vi) |
| Brand / Model | Shacman X5000 |
| Pipe Material | Multi‑layer Nylon with Integrated Heating Element |
| Inner Diameter | 6.00 mm |
| Outer Diameter | 10.00 mm |
| Overall Length | Approximately 820.00 mm |
| Connection Type | Quick‑connect fittings at both ends |
| Heating Voltage | 24 Volts DC, self‑regulating |
| Application | Shacman X5000 SCR system DEF return line |
The DZ96259740352 urea return pipe completes the SCR fluid circuit by carrying excess diesel exhaust fluid from the dosing pump back to the storage tank. This recirculation maintains system pressure stability.
During the pump’s purge cycle after engine shutdown, the return path allows DEF to flow back to the tank, clearing the dosing line. The Urea Return Pipe (National Vi) DZ96259740352 is essential for this freeze‑protection function.
A blocked or restricted return line causes excessive back pressure that can damage the pump diaphragm and internal valves. The integrated heating element prevents ice blockage during cold weather operation.
The DZ96259740352 pipe features a multi‑layer nylon construction that provides excellent resistance to the corrosive properties of urea solution while maintaining flexibility for chassis routing around other components.
An integrated self‑regulating heating element runs the full length of the pipe, automatically adjusting heat output based on ambient temperature. This ensures that any frozen DEF in the return line is quickly thawed.
The DZ96259740352 pipe connects to the pump return port and tank inlet using quick‑connect fittings that lock with an audible click. Each connection should be verified by gently pulling on the fitting after engagement.
The pipe must follow the original factory routing path, secured with appropriate clips to prevent contact with hot surfaces or moving components. The electrical connector for the heating element must be fully seated and latched.
Each production batch of DZ96259740352 pipes undergoes pressure integrity testing at 1.5 times the maximum system operating pressure. The pipe must maintain pressure without leakage or structural deformation.
The heating element is electrically tested for proper resistance and insulation. A functional thermal test confirms that the element reaches its design temperature within the specified time when energized.
Crystallized urea deposits around the DZ96259740352 pipe fittings or along its length indicate a leak. These white deposits form when DEF escapes and the water component evaporates, leaving solid urea residue.
A kinked or crushed return pipe restricts flow back to the tank, causing elevated system pressure and potential pump damage. The entire pipe length should be visually inspected during any SCR system service.
Heating element failure allows DEF to freeze in the return line during cold weather. A frozen return line prevents system purge and can cause pump damage when the engine is started. Heating circuit function should be verified.
The DZ96259740352 return pipe is specifically configured for the Shacman X5000 National Vi SCR system. Its length, fitting types, and heating specifications match this vehicle platform exactly.
Fleet operators should maintain spare return pipes in their SCR system parts inventory. Prompt replacement of damaged pipes restores proper system circulation and prevents pump‑related failures.
Aftermarket return pipes with inferior materials or incorrect fitting dimensions can leak and cause SCR system faults. We supply only the authentic Shacman X5000 Urea Return Pipe (National Vi) DZ96259740352.
Each pipe is individually packaged to protect the fittings and heating element connector during transit. The part number DZ96259740352 is clearly printed on the packaging label for immediate identification.
Our international logistics network ensures that genuine DZ96259740352 urea return pipes are available for immediate dispatch to dealerships and fleet maintenance facilities across all major continents.
Complete urea return pipe assembly with integrated heating element and quick‑connect fittings. Ready for installation with existing SCR system components.
Expert guidance on urea return pipe installation and SCR system diagnostics. We help ensure your DZ96259740352 pipe delivers reliable DEF recirculation.
For current stock availability and pricing on the genuine Urea Return Pipe (National Vi) DZ96259740352, please use the contact buttons above.
