Genuine SINOTRUK Exhaust Manifold Bolt (080V90490-0090) - High-Temperature Heavy-Duty Fastener for HOWO Trucks

Genuine SINOTRUK Exhaust Manifold Bolt (080V90490-0090)

✔ OEM Replacement – Direct fit for SINOTRUK HOWO A7/T7/T5G, D10/D12, WD615 engines
✔ High-Temperature Resistance – Grade 10.9 steel, withstands up to 750°C
✔ Corrosion Protection – Zinc-nickel plating for long-term durability
✔ Precision Torque Specs – 55-60 Nm tightening torque (follow factory service manual)
✔ Compatibility – Fits exhaust manifolds & turbocharger connections

Why Choose This Bolt?
Prevents exhaust leaks – Ensures secure sealing under extreme heat
 Reduces vibration loosening – Precision thread design
 ISO 9001-certified – Meets SINOTRUK OEM standards

Installation Notes:

• Always torque in crisscross sequence
• Apply high-temperature anti-seize compound (e.g., Permatex 77134)
• Replace all bolts as a set for even clamping force