Genuine Sinotruk Seat Ring - Part Number 080V93020-0384

This genuine Sinotruk seat ring (080V93020-0384) is a critical engine component responsible for providing a perfect sealing surface for the engine valve. It is essential for maintaining optimal engine compression, performance, and fuel efficiency by preventing leakage of combustion gases.

Product Name: Seat Ring
Part Number: 080V93020-0384
OEM Number: 080V93020-0384 (Sinotruk Original Equipment)
Alternative Names: Valve Seat Ring, Cylinder Head Valve Seat, Insert Seat Ring
Outer Diameter (OD):~50–55 mm (exact dimension depends on engine model – typically ~52.0 ±0.05 mm)
Inner Diameter (ID): ~40–42 mm (typical guide: ~41.0 ±0.05 mm)
Height/Thickness:~6–8 mm (common: 7.0 ±0.1 mm

Simple Installation Notes:
Important: Seat ring installation requires specialized tools and expertise. It is highly recommended that this procedure be performed by a qualified technician. The following are general guidelines.
Disassembly: Remove the cylinder head and carefully remove the old seat rings using a proper removal tool.
Cleaning & Inspection: Thoroughly clean the seat ring counterbore in the cylinder head. Inspect for any cracks or damage.
Preparation: The new seat ring (Part #080V93020-0384) may need to be chilled to contract it slightly for installation.
Installation: Using a precise driver tool, gently tap the new seat ring into place until it is fully seated.
Final Machining: After installation, the seat ring's sealing surface must be machined (cut and lapped) to ensure a perfect seal with the valve.
Note: Always refer to the official Sinotruk service manual for detailed procedures and specifications. Proper installation is critical for engine performance and longevity.