Sinotruk Genuine Cylinder Head Bolt VG1246010093 - OEM Engine Fastener for HOWO WD615/D12

Sinotruk OEM Cylinder Head Bolt (VG1246010093) - Critical Engine Fastening Component

Product Description:
This genuine Sinotruk cylinder head bolt (VG1246010093) is a torque-to-yield fastener designed to maintain optimal clamping force on cylinder heads in WD615 and D12 series engines. Manufactured to exact OEM specifications, it prevents head gasket failure and ensures long-term engine reliability.

Key Features:
✔ Precision Engineered - Exact OEM dimensions for perfect fitment
✔ High-Strength Material - Grade 12.9 alloy steel (1500 MPa tensile strength)
✔ TTY (Torque-To-Yield) Design - Requires one-time use for proper sealing
✔ Corrosion Resistant - Phosphate coated surface treatment

Technical Specifications:

• Part Number: VG1246010093

• Thread Size: M14×1.5

• Length: 180mm (under-head measurement)

• Head Style: Hex flange (17mm)

• Torque Specification:

  • First Pass: 90 N·m

  • Final Angle: 90° + 90° (two-stage tightening)

• Tensile Strength: 1500 MPa

• Yield Strength: 1100 MPa

• Surface Treatment: Zinc phosphate coating

• Weight: 0.38 kg

Compatible Engines:
• WD615 (Euro II/III/IV)
• D10/D12 Series
• WEVB engines

Installation Warning:
Always replace cylinder head bolts in complete sets and follow the factory tightening sequence. Never reuse TTY bolts.