Oil Seal 9031145021

The DUHUI Oil Seal 90311-45021 is a precision-engineered sealing component designed specifically for Toyota Vios automatic transmission applications. This oil seal features dimensions of 45 mm inner diameter, 62 mm outer diameter, and a stepped width of 11/18 mm, constructed from NBR (nitrile rubber) material in brown color, matching OE specification 90311-45021.
Specifications
| Parameter | Value |
|---|---|
| DH Code | |
| Part Number | 90311-45021 |
| Inside Diameter (ID) | 45.00 mm (1.772 inch) |
| Outside Diameter (OD) | 62.00 mm (2.441 inch) |
| Width | 11/18 mm (0.433/0.709 inch) |
| Material | NBR (Nitrile Rubber) |
| Color | Brown |
| Product Type | Oil Seal / Shaft Seal |
Note: Dimensional data is based on available sources. This is an oil seal designed for Toyota Vios automatic transmission applications. Please verify measurements against your original part before ordering.
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers: 90311-45021
Reference Numbers (Interchange):
TOYOTA: 90311-45021
KOYO: 90311-45021
NOK: 90311-45021
Vehicle Fitment
TOYOTA: Vios AT
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Precision-engineered oil seal designed for Toyota Vios automatic transmission applications
- NBR (nitrile rubber) material provides excellent resistance to transmission fluids and oils
- 45 mm inner diameter, 62 mm outer diameter, stepped width 11/18 mm – direct OE replacement
- Features spring-loaded lip design for consistent sealing pressure
- Brown color for easy identification
- Manufactured to OE specifications for reliable sealing performance and service life
- Available for product customization – logo, code, pattern, or words can be applied to the oil seal or packaging
Installation Notes
- Verify dimensions (ID 45 mm, OD 62 mm, stepped width 11/18 mm) against your original oil seal
- Confirm fitment for your specific Toyota Vios model and transmission type
- Clean the shaft and housing bore thoroughly before installation
- Apply a thin coat of clean transmission fluid to the seal lip to prevent dry start damage
- Use a proper seal installer tool to avoid damaging the seal lip during installation
- Ensure the seal is installed with the correct orientation – lip facing the fluid side
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces oil seals and automotive components to OE specifications. Contact us

