551-0306 Crankshaft Oil Seal
Cat® oil seal for crankshaft fan drive pulley parts
Description
The oil seal is used to provide a leak-proof seal for the pulley of the fan drive. It is made of elastic material and is used to prevent leakage of fluids, contaminants, or lubricants and to maintain proper operation and performance.
Attributes
- Keeps external elements from entering between components
- Absorbs vibration and stress generated during operation
Applications
The oil seal is used in the fan drive pulley section of the crankshaft components of the engine unit to reduce the friction and heat generated between the pulley and the bearing during operation.
Specifications
| Material | Carbon Steel |
|---|
Compatible Equipment
- Mini Excavators: 307, 306, 306.5, 305.5E2, 305.5E
- Excavators: 307.5, 306E2
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








