Oil Seal HORSE 31*43*10.5
The Oil Seal HORSE 31*43*10.5 is a precision-engineered Gearshift Lever Oil Seal designed for compatibility with "HORSE" brand or series engines, a common designation for certain Chinese-manufactured motorcycle and small engine powerplants.
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Product Introduction
| Specifications | |
| Type: | Radial Lip-Type Oil Seal. |
| Part Designation: | Gearshift Lever / Shift Shaft Oil Seal for HORSE engines. |
| Critical Dimensions: | 31 x 43 x 10.5 |
| Shaft Diameter: | 31 mm – The inner bore size that seals against the diameter of the shift lever shaft. |
| Housing Bore Diameter: | 43 mm – The outer diameter that is pressed into the machined recess in the engine casing. |
| Width/Thickness: | 10.5 mm – The overall axial width of the seal. |
| Compatibility: | Specifically sized for application on "HORSE" brand or series engines, which are widely used in various Chinese-manufactured motorcycles, scooters, ATVs, and small general-purpose utility engines. |
| Outer Shell: | High-grade stamped steel, providing robust structural integrity for a secure interference fit during installation. |
| Sealing Lip: | Manufactured from heat and oil-resistant Acrylonitrile Butadiene Rubber, suitable for standard engine oil and operating temperatures. |
| Spring: | An integrated corrosion-resistant garter spring applies constant radial pressure to the sealing lip, compensating for minor shaft wear and runout to ensure a consistent seal throughout its service life. |
| Applications | |
| As a critical radial lip seal, its primary function is to create a dynamic, leak-proof barrier around the oscillating gearshift shaft where it enters the engine crankcase. This prevents the loss of engine oil, maintains proper lubrication system pressure, and blocks external contaminants like dirt, dust, and water from entering the engine, thereby ensuring reliability and longevity. | |
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