Oil Seal Description
The 4333170 oil seal (YNF09021) is a critical sealing component used in the hydraulic and engine systems of excavators. Crafted from high-grade materials, this oil seal is engineered to maintain reliable fluid containment and exclude contaminants such as dust and water. With proven resistance to abrasion, high temperature, and pressure fluctuations, it offers extended service life in tough working conditions. Whether applied in hydraulic cylinders, gearboxes, or crankshafts, this oil seal supports long-term operation with minimal maintenance. Ideal for B2B distributors and repair shops, excavator oil seal solutions from YNF Machinery offer a dependable aftermarket alternative.
Oil Seal Technical/Data Sheet
| Parameter |
Description |
| YNF No. |
YNF09021 |
| Part No. |
4333170 |
| Product Name |
Oil Seal |
| Category |
Hydraulic Sealing Component |
| Material |
NBR / FKM / PTFE (based on request) |
| Application Area |
Hydraulic Cylinder / Engine Crankshaft |
| Compatible Brands |
Hitachi, Komatsu, CAT, etc. |
| Temperature Range |
-40°C to +200°C |
| Pressure Resistance |
Up to 25MPa |
| Origin |
China |
| Brand |
YNF |
| MOQ |
10 Pieces |
| Freight |
Air, Express, Sea |
| Payment Terms |
TT, Western Union, PayPal |
Oil Seal Applications
| Application Area |
Details |
| Excavators |
Sealing solutions for hydraulic and rotating shafts |
| Hydraulic Systems |
Cylinders, pumps, control valves |
| Diesel Engines |
Crankshaft, camshaft, timing gear sealing |
| Agricultural Machinery |
Oil sealing in engine and transmission systems |
| Construction Equipment |
Prevents leakage in various mechanical units |
Excavator Oil Seal Detail Display
Related Knowledge: Oil seals are vital in preventing lubricant leakage and contamination in engines and hydraulics. A quality seal helps reduce component wear and extends system lifespan.
Related Products:
-
YNF09876 – Floating Seal for Final Drive
-
YNF12563 – Dust Seal for Boom Cylinder
-
YNF15048 – Crankshaft Seal for C6.6 Engine
FAQs:
-
Q: Can this seal be used in high-speed applications?
A: Yes, depending on the material selected (PTFE or FKM).
-
Q: Is it interchangeable with OEM parts?
A: It’s manufactured to meet or exceed OEM standards.
