The Sinotruk HOWO Front Leaf Spring Assembly (Part Number: WG9731520041) is a critical suspension component engineered for Sinotruk HOWO 6×4 and 8×4 heavy-duty trucks (including HOWO 371 and 336 models).Designed to withstand extreme loads and rough terrain, this leaf spring assembly ensures optimal vehicle stability, ride comfort, and load-bearing capacity.
As a leading supplier of Sinotruk spare parts, we provide OEM-quality suspension solutions that match original factory specifications. This assembly is manufactured from premium alloy spring steel, offering superior fatigue resistance and elasticity compared to standard aftermarket alternatives.
Technical Specifications
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Part Number: WG9731520041
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Product Name: Front Leaf Spring Assembly / Multi-Leaf Spring
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Applicable Vehicle: Sinotruk HOWO Heavy Dump Trucks, Tractor Trucks (336HP, 371HP, 420HP)
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Position: Front Axle (Left/Right compatible in standard configurations)
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Material: 60Si2Mn / 50CrV4 (High-grade Spring Steel)
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Number of Leaves: 11 Leaves (Standard Configuration)
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Dimensions:
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Width: 90 mm
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Thickness: 14 mm (Main Leaf)
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Arc Height: Precision cambered for standard ride height
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Hardness: HRC 42-49 (Heat treated for maximum durability)
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Surface Treatment: Shot peening (to reduce stress corrosion) and anti-rust painting
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Weight: Approx. 85kg – 95kg (varies by specific sub-model pack)
Why Choose Us:
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“We are your one-stop shop for all Sinotruk spare parts. From suspension systems like the WG9731520041 to engine components, we ensure global delivery and authentic quality.
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