‌Genuine Sinotruk HOWO HPD Intake Rocker Arm Assembly 202V04201-600 High-Strength Valve Train Component for Heavy-Duty Engines

1. 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

   1. ‌Premium Materials‌

      • Forged from 20CrMnTi alloy steel (GB/T 3077 standard)
      • Surface hardness: HRC 58-62 after carburizing treatment
      • Weight: 1.25kg ±0.05kg

   2. ‌Precision Engineering‌

      • CNC-machined pivot bore Ø16±0.01mm
      • Laser-etched positioning marks for accurate installation
      • 0.002mm RA surface finish on contact pads

   3. ‌Performance Features‌

      • Withstands 12,000N cyclic loading (ISO 6621-3)
      • Reduced valve lash adjustment frequency by 40%
      • 100% magnetic particle inspected for micro-cracks

   4. ‌Compatibility‌

      • Engines: WP10HPD/WP12HPD series
      • Valve Systems: 4-valve per cylinder configurations
      • Chassis: HOWO A7/ZQ4257S3247HPD
      • Model Years: 2020-2024

   5. ‌Quality Assurance‌

      • 50,000-cycle durability tested (SAE J1817)
      • OEM-matched dimensional tolerances (±0.03mm)
      • Includes M10x1.25 mounting bolts (Grade 12.9)

‌Why Choose This Part?

After-Sales Support:

• 24/7 technical consultation via WhatsApp/email
• 12-month warranty with free return policy
• Local service centers in 15+ countries