The WG1034121181+001/1 Filter Element is a specialized filter designed for the air-assisted SCR (Selective Catalytic Reduction) system used in modern heavy-duty diesel trucks, particularly SINOTRUK HOWO models. This filter cleans compressed air and/or urea solution (AdBlue) entering the SCR dosing unit, ensuring the injection system operates without blockages or contamination.

Its high-efficiency pleated media traps dust, rust, crystalized urea, and other fine particles, preventing damage to sensitive SCR components such as the dosing pump, injector nozzle, and catalyst. The element is typically installed inside a protective housing and works as part of the SCR’s emission control system, helping trucks meet stringent environmental regulations.

Function

• Filtration of Compressed Air & Urea Fluid – Removes fine impurities before they enter the dosing injector.

• System Protection – Prevents clogging and wear in the dosing pump and injector.

• Emission Compliance – Ensures optimal SCR performance, aiding in compliance with Euro IV/V/VI emission standards.

• Extended Component Life – Reduces maintenance frequency and prolongs system service intervals.

Compatible Vehicles

• SINOTRUK HOWO series trucks equipped with air-assisted SCR systems

• HOWO A7, HOWO T5G, HOWO TX, and similar CNHTC heavy-duty models

• May also be compatible with other brands using the same Weichai/SCR dosing system

Key Specs

• Part Number: WG1034121181+001/1

• Type: Air-Assisted SCR Filter Element

• Filtration Media: High-grade pleated paper with moisture resistance

• Installation: Fits into dedicated SCR filter housing

• Maintenance: Replace per manufacturer’s emission system service schedule