Description
21421-33114 OIL SEAL: Front Crankshaft Guide
Reliable Leak Protection | Sonata, Santa Fe & Optima 2.4L
The 21421-33114 OIL SEAL is the essential engine component designed to restore the fluid integrity of your Hyundai or Kia Theta series engine. This professionally engineered unit ensures maximum lubricant retention, providing a clean engine bay and superior structural integrity.
21421-33114 Fitment Guide
- Hyundai Sonata: 2.0L / 2.4L Theta II
- Hyundai Santa Fe: 2.4L Engine
- Kia Optima / K5: 2.0L & 2.4L GDI
- Kia Sorento: 2.4L Theta Models
- Part Number: 21421-33114
Technical Product Specifications
- Material: Polyacrylate / Nitrile Hybrid
- Type: Front Main Crank Radial Seal
- Inside Diameter: OE Theta Standard
- Features: Heat-Shielded Sealing Lip
- Standard: OE Precision Grade
Benefits of a New 21421-33114 OIL SEAL
Choosing the correct replacement part is vital for protecting your drive belts and sensitive electronic sensors from oil soak. Using a premium 21421-33114 OIL SEAL ensures that your engine stays lubricated and efficient, preventing costly repairs caused by low oil levels. We strongly recommend browsing our Serpentine Belts and Crankshaft Pulleys to ensure a complete and professional engine maintenance cycle.
Check Your Professional Fitment
To ensure this oil seal is the perfect fit for your specific 2.0L or 2.4L engine variant, please contact us for professional verification using your chassis number.
Note: Technical data for 21421-33114 is for reference; please verify with your engine code before installation.














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