Sinotruk OEM VG1246040021 Cylinder Head Gasket (3-Layer Steel Fire Ring, For WD615 Engines)

Technical Specifications‌:

• ‌Construction‌:
  • 1.5mm 301 stainless steel core
  • 0.3mm graphite facing (both sides)
  • Laser-cut fire rings around cylinders
• ‌Performance‌:
  • Compression recovery: 92% after 5,000 thermal cycles
  • Max pressure: 180bar @ 550°C (SAE J2645)
  • Bore tolerance: ±0.05mm
• ‌Compatibility‌:
  • Sinotruk WD615 Euro IV/V Engines
  • Replaces #ZZ5305010033

‌Installation Notes‌:

1. Pre-Installation:
   • Check block/head flatness (<0.03mm/m)
   • Remove old gasket with plastic scraper only
2. Torque Procedure:
   • Initial: 30Nm in OEM sequence
   • Final: 90Nm + 90° turn
3. Run-In:
   • Avoid >75% load for first 500km
   • Retorque after 3 heat cycles