370033A Hydraulic Motor Oil Seal Kit For Excavator Rotary Shaft Anti‑Aging Oil Retaining And Debris‑Blocking Rotary Sealing

1. Quick Details of  seal 370033A:

2. 370033A picture:

3. Service part number :

4. FAQ

Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.

Q: What color effect does this sealing kit present?
A: The rubber lip section is jet black, and the zinc‑plated steel shell shows uniform silvery‑gray metallic luster.

Q: Where is this oil seal kit installed on excavator?
A: It is pressed into hydraulic motor housing bore and surrounds the rotating motor shaft to complete dynamic rotary sealing for hydraulic motor unit.

Q: What practical functions does this seal achieve on complex construction sites?
A: It locks hydraulic lubricating medium inside motor housing, and prevents fine dust, sticky mud and splashing water from entering internal bearing and friction pair parts.

Q: Can this seal stay stable under frequent start‑stop rotation and fluctuating operating temperature?
A: HNBR rubber retains steady resilience under temperature variation, zinc‑plated layer can slow metal oxidation when working in outdoor humid environment.

Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.

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