

The part is a critical drivetrain component that stores rotational energy and ensures smooth engine operation in the Sitrak C7H. This precision-machined flywheel provides the necessary inertia for consistent engine speed and serves as the mounting surface for the clutch assembly.
This comprehensive Flywheel kit includes The part Assembly and Flywheel Bolts. Every component of This part kit is engineered to OEM specifications for a perfect fit and reliable performance under the most demanding operating conditions.
The part is manufactured from high-strength ductile iron with a precision-ground friction surface that ensures smooth clutch engagement and consistent power delivery. Its dynamically balanced design reduces engine vibration, contributing to a smoother ride and extended drivetrain life.
For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models for The part.
Whether you are replacing a worn flywheel or performing a clutch overhaul, This part kit delivers factory-quality components and a straightforward installation. This part is the definitive choice for operators who demand smooth engine operation and long-term drivetrain reliability.
This is the main component of The part kit, a precision-machined ductile iron flywheel designed for the Sitrak C7H. It features a dynamically balanced design that reduces engine vibration and ensures smooth power delivery. The friction surface is precision-ground to provide a consistent clamping surface for the clutch disc, ensuring reliable engagement and release.
The part Assembly includes the starter ring gear, which is induction-hardened for wear resistance. Its outer diameter is matched to the engine’s starter motor, ensuring reliable starting in all conditions. This Flywheel is manufactured to exact OEM specifications, guaranteeing a perfect fit and long service life.
These high-strength bolts secure The part to the crankshaft flange. Manufactured from grade 12.9 alloy steel with a fine-pitch thread, they provide reliable clamping force and resistance to loosening under high-torque loads. The bolts are pre-coated with a thread-locking compound to ensure a permanent, vibration-resistant connection.
The part Bolts are precisely matched to The part’s mounting holes and are designed to withstand the high shear and tensile forces encountered during clutch engagement. Their zinc-nickel coating provides excellent corrosion resistance, ensuring long-term reliability in the harsh under-vehicle environment.
The part is dynamically balanced to exacting tolerances, minimizing engine vibration and ensuring smooth power delivery. This reduces stress on the crankshaft and bearings, contributing to longer engine life and improved driver comfort.
This Flywheel kit includes all the necessary high-strength bolts, pre-coated with thread locker for secure installation. The matched components eliminate the need to source separate hardware, simplifying replacement and ensuring proper torque retention.
The part is manufactured from high-strength ductile iron with a wear-resistant friction surface and an induction-hardened ring gear. This ensures reliable operation over millions of clutch cycles, reducing downtime and maintenance costs.
The part is manufactured to the exact OEM specifications, guaranteeing a perfect fit on the Sitrak C7H. The precision-machined mounting surface and correctly positioned ring gear ensure seamless integration with the clutch and starter motor, eliminating the risk of installation issues.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.