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Sinotruk HOWO HPD Series Rocker Arm Assembly - 202V04201-600
Maintain precise valve timing and reduce engine wear in your HOWO trucks with this OEM-certified rocker arm assembly designed for high-pressure diesel (HPD) engines:
Technical Specifications
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Premium Materials
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Forged from 20CrMnTi alloy steel (GB/T 3077 standard)
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Surface hardness: HRC 58-62 after carburizing treatment
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Weight: 1.25kg ±0.05kg
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Precision Engineering
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CNC-machined pivot bore Ø16±0.01mm
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Laser-etched positioning marks for accurate installation
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0.002mm RA surface finish on contact pads
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Performance Features
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Withstands 12,000N cyclic loading (ISO 6621-3)
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Reduced valve lash adjustment frequency by 40%
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100% magnetic particle inspected for micro-cracks
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Compatibility
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Engines: WP10HPD/WP12HPD series
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Valve Systems: 4-valve per cylinder configurations
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Chassis: HOWO A7/ZQ4257S3247HPD
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Model Years: 2020-2024
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Quality Assurance
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50,000-cycle durability tested (SAE J1817)
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OEM-matched dimensional tolerances (±0.03mm)
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Includes M10x1.25 mounting bolts (Grade 12.9)
Why Choose This Part?
✔️ 100% Genuine Sinotruk Components
✔️ 12-Month Warranty
✔️ Global Express Shipping
✔️ Bulk Order Discounts
After-Sales Support:
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24/7 technical consultation via WhatsApp/email
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12-month warranty with free return policy
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Local service centers in 15+ countries