The FAW 1005120-73D flywheel assembly is a critical driveline component built for FAW commercial heavy-duty trucks. Manufactured under original OEM specifications, this genuine flywheel ensures smooth starter motor engagement and provides a stable mounting surface for the clutch cover and disc, protecting your transmission and engine block from excessive vibration.
💪Reliable Power Transfer for Heavy-Duty Diesels
Maintaining a healthy flywheel is essential for smooth gear shifting and power delivery. The 1005120-73D flywheel assembly delivers dependable performance:
- Precision Balance: Dynamically balanced to eliminate engine vibration and protect crankshaft bearings during high-RPM operation.
- Seamless OEM Interchangeability: Perfectly replaces older material numbers like S1005120-73D and S1005121-73D without requiring any modifications.
- Durability Under Thermal Stress: Heavy-duty metallurgy resists heat cracking, warping, and premature ring gear wear under rigorous commercial fleet workloads.
🛠Technical Specifications & Keyword Reference
| Feature | Technical Details |
| Primary OEM Part Number | 1005120-73D |
| Legacy / Superseded Numbers | S1005120-73D, S1005121-73D, S1005121A73D |
| Focus Component | Flywheel Assembly |
| Vehicle Compatibility | FAW Commercial Trucks & Tractor Units |
| Product Function | Rotational Inertia, Clutch Mounting & Starter Engagement |
| Quality Level | Original Equipment Manufacturer (OEM) Standard |
| Wholesale Support | +86 186 7197 8898 |
| S/N PNG | Part number PNG | Part name PNG | Quantity PNG |
| 1 | 1005048K29D | Shock absorber bolt | 8 |
| 2 | Q1862040 | Hexagon flange bolts – increase series | 1 |
| 3 | 1005046-81D | Crankshaft ribbed belt wheel | 1 |
| 4 | 1005195-81D | Silicone oil shock absorber assembly | 1 |
| 5 | Q1841020 | Hexagon head flange bolt | 12 |
| 6 | 1005050-53D | Crankshaft front oil seal assembly | 1 |
| 7 | 1005039-81D | Oil pump driving gear | 1 |
| 8 | 1005014-81D | Crankshaft | 1 |
| 9 | 1005037-81D | Timing gear, crankshaft | 1 |
| 10 | 1005060-53D | Crankshaft rear oil seal assembly | 1 |
| 11 | 1005031-29D | Drive gear and flywheel locating pin | 1 |
| 12 | 1005120-73D | Flywheel assembly | 1 |
| 13 | GB/T 276-1994 | Ball bearing 60305 – 2RS | 1 |
| 14 | 1005071-81D | Bolt, flywheel | 12 |
💬Frequently Asked Questions (Technical & Buying Guide)
Q: What is the relation between part number 1005120-73D and older numbers like S1005120-73D?
A: Part numbers S1005120-73D, S1005121-73D, and S1005121A73D are discontinued or legacy material numbers. 1005120-73D is the updated, direct reference replacement part with identical specifications and fitment.
Q: What is the main function of the 1005120-73D flywheel assembly?
A: It stores rotational energy from the engine to smooth out power delivery, provides the gear teeth for the starter motor to crank the engine, and serves as the mounting surface for the clutch assembly.
Q: How do I verify that part number 1005120-73D fits my vehicle?
A: You can check your parts catalog or send your FAW truck chassis VIN and engine serial number to our technical support team via WhatsApp at +86 186 7197 8898 for instant confirmation.
📦Global Wholesale & Export Enquiries
We export genuine FAW heavy-duty engine, transmission, and chassis components to commercial fleet managers, maintenance hubs, and automotive spare parts distributors worldwide. Contact us today for competitive bulk pricing and fast international shipping.
