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Description
21421-35011 OIL SEAL: Hyundai-Kia Engine Guide
Front Crankshaft Main Seal | Sonata, Tucson, Sportage & Optima
The 21421-35011 OIL SEAL is the essential engine component designed to restore the lubricant integrity of your Hyundai or Kia 2.0L / 2.4L powertrain. 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.
21421-35011 OIL SEAL Fitment
- Hyundai Sonata (EF/NF): 2.0L / 2.4L
- Hyundai Tucson (JM): 2.0L Petrol
- Kia Optima (MS/MG): 2.0L / 2.4L
- Kia Sportage (JE/KM): 2.0L Models
- OE Part Number: 21421-35011
Technical Engine Specs
- Engine Family: Sirius II / Theta I
- Position: Front Crankshaft
- Material: High-Grade Nitrile / Polyacrylate
- Type: Oil Pump Side Seal
- Standard: OE Resilience Calibration
Benefits of 21421-35011 OIL SEAL
Choosing this specific sealing unit is vital for protecting your timing belt and auxiliary drive components from oil saturation. Because crankshaft seals are subjected to constant rotation and vibration, selecting a premium seal ensures that no oil bypasses the front pump housing, preventing belt slippage or engine bay mess. Proper lubrication 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 and Theta engine families have minor crankshaft variations depending on the year of manufacture and transmission type. To ensure the 21421-35011 OIL SEAL is the perfect fit for your specific front engine cover, 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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