Sinotruk Genuine VG1246050029 Valve Tappet for WD615618 Engine Series - Hydraulic Valve Lifter

The Sinotruk VG1246050029 valve tappet is a critical component in the valve train system of WD615 and WD618 series diesel engines. This hydraulic valve lifter automatically maintains zero valve clearance, ensuring quiet operation and reduced maintenance requirements.

Technical Specifications

• Material Composition:

  • Body: Case-hardened alloy steel (20CrMnTi equivalent)

  • Plunger: Precision-ground bearing steel (GCr15 equivalent)

  • Hardness: 58-62 HRC (body), 60-64 HRC (plunger)

• Dimensional Data:

  • Outer diameter: 35.00mm (±0.01mm)

  • Height: 54.50mm (±0.10mm)

  • Plunger diameter: 12.00mm (±0.005mm)

  • Oil hole diameter: 3.5mm

• Performance Characteristics:

  • Operating pressure range: 150-400 kPa

  • Temperature tolerance: -30°C to +180°C

  • Maximum lift: 10.5mm

  • Designed RPM range: 800-2,200 rpm

Compatibility Information

✔ Direct replacement for OEM part VG1246050029
✔ Compatible with:

• Sinotruk HOWO A7/T7 series trucks

• WD615.61, WD615.64, WD615.67 engines

• WD618.44, WD618.46 engine variants

• Steyr WD615-based engines

Quality Assurance

• 100% dimensional inspection with CMM verification
• Material composition certification
• Pressure testing at 1.5x operating pressure
• 12-month performance warranty

Package Contents

• 1× VG1246050029 Valve Tappet

• Installation guide

• Quality inspection certificate