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High Quality Truck Suspension Parts Thrust Rod Straight Truck Traction Bar AZ9725521174 9453300007 Lower Thrust Rod

The AZ9725521174 Lower Thrust Rod Assembly (Cast Straight Type) is a high-strength structural component in the rear suspension system of SINOTRUK heavy-duty commercial vehicles, including HOWO, HOHAN, and Steyr-based platforms. Designed as a primary load-bearing link between the chassis frame and rear axle, this forged-cast thrust rod ensures precise axle location under extreme longitudinal forces generated during acceleration, braking, and off-road operation.

Unlike welded tube designs, this version is manufactured using integrated casting technology with high-strength alloy steel, offering superior torsional rigidity, fatigue resistance, and geometric stability. It serves as the lower anchor point in balanced suspension systems, effectively preventing rear axle walk, reducing tire wear, and enhancing driving safety in 6×4 and 8×4 configurations.
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  • AZ9725521174

  • Shacman Sinotruk HOWO FAW Dongfeng Foton Auman

Attribute Description
Part Name Lower Thrust Rod Assembly (Cast Straight Type)
OEM Part Number AZ9725521174
Brand SINOTRUK (CNHTC)
Application Rear Suspension Axle Positioning – Lower Link
Function Controls longitudinal movement of rear axle; maintains alignment
Design Type One-Piece Cast Alloy Steel Straight Rod
Material High-Strength Alloy Cast Steel (QT-grade or equivalent)
Weight 14.5 – 15.5 kg
Surface Treatment Black Electrophoretic Coating (E-coat) for Corrosion Resistance
Mounting Position Connects rear axle bracket to chassis frame (lower front/rear linkage)
下推力杆-1


下推力杆-3


Parameter Value / Specification
OEM Number AZ9725521174
Overall Length Varies by model (typically 600–800 mm)
Bolt Hole Diameter φ25 mm (standard shackle pin size)
Ball Joint Size (Bushings) 130 mm × 25 mm rubber bushing / spherical liner
Tube/Body Material Alloy Cast Steel (one-piece casting)
Heat Treatment Quenched & Tempered (enhances strength and fatigue life)
Tensile Strength ≥ 700 MPa
Load Capacity Designed for dynamic loads up to 80,000 N
Fatigue Life Optimized for over 400,000 cycles
Operating Environment -40°C to +85°C; resistant to dust, mud, oil, and vibration
Compliance Standards Meets SINOTRUK OEM design and safety specifications


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