Sinotruk HOWO Power Steering Filter WG9925470033 – Hydraulic Oil Reservoir Element

Is your HOWO truck experiencing “heavy” steering or making a groaning noise when turning? Before you replace the expensive steering pump, check your hydraulic fluid filter. The WG9925470033 Power Steering Filter is the genuine maintenance part located inside the oil reservoir of Sinotruk HOWO trucks.

Over time, the hydraulic system accumulates metal shavings and rubber particles from seal wear. If not filtered out, this debris acts like sandpaper inside your steering pump and steering gear (steering box), leading to premature failure and leaks. This high-flow filter element is designed to trap contaminants without starving the pump of oil, ensuring your steering remains light and responsive even during low-speed maneuvering on construction sites.

Technical Specifications:

• Part Number: WG9925470033

• Part Type: Hydraulic Steering Filter Element

• Application: Sinotruk HOWO 336, 371, 420, A7 Series

• Installation Location: Inside the Power Steering Oil Tank (Reservoir)

• Material: Metal mesh reinforced paper / High-density fiber

• Function: Filters hydraulic fluid returning to the pump

• Dimensions: OEM Standard Fitment (Direct Drop-in)

• Maintenance: Inspect during every hydraulic fluid change.