OIL SEAL Description
21421-33134 OIL SEAL: Hyundai-Kia Sirius II Guide
Front Crankshaft Main Seal | Sonata, Santa Fe, Trajet & Magentis
The 21421-33134 OIL SEAL is the essential engine component designed to restore the lubricant integrity of your Hyundai or Kia 2.0L / 2.4L Sirius II engine. This professionally engineered seal ensures maximum protection against oil leaks at the crankshaft front, consistent internal pressure, and superior structural integrity under the extreme thermal cycles of modern driving. This component is critical for maintaining the professional performance of your vehicle’s original engine configuration.
21421-33134 OIL SEAL Fitment
- Hyundai Sonata (EF): 1998–2005 (2.0L/2.4L)
- Hyundai Santa Fe (SM): 2001–2006 (2.4L)
- Hyundai Trajet: 2.0L G4JP Engines
- Kia Magentis / Optima: 2.0L / 2.4L Sirius
- OE Part Number: 21421-33134
Technical Engine Specs
- Engine Family: Sirius II (G4JP / G4JS)
- Position: Front Crankshaft
- Material: Premium Heat-Resistant Elastomer
- Type: Radial Shaft Seal
- Standard: OE High-Thermal Resilience
Benefits of 21421-33134 OIL SEAL
Choosing this specific sealing unit is vital for protecting your vehicle’s timing belt from oil saturation, which can lead to premature belt failure and catastrophic engine damage. Because the Sirius II engine is an interference design, selecting a premium seal ensures that no oil bypasses the front cover, maintaining a dry and safe environment for the belt drive. Proper maintenance is key; therefore, we strongly recommend browsing our Premium Oil Filters to ensure the seal performs in a clean environment.
Check Engine Fitment Verification
The Sirius engine series has several front seal variations depending on the oil pump housing design. To ensure the 21421-33134 OIL SEAL is the perfect fit for your specific crankshaft diameter, please contact us for professional verification using your chassis number.
Note: Images shown are for illustration purposes only and may not be an exact representation of the product.
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