OIL SEAL Description
21421-21030 OIL SEAL: Hyundai Alpha Series Guide
Front Crankshaft Seal | Accent, Elantra, Scoupe & Pony
The 21421-21030 OIL SEAL is the essential engine component designed to restore the lubricant integrity of your Hyundai 1.3L / 1.5L Alpha or Mitsubishi-tech 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 engine operation. This component is critical for maintaining the professional performance of your vehicle’s original engine configuration.
21421-21030 OIL SEAL Fitment
- Hyundai Accent: 1.3L / 1.5L (1995-1999)
- Hyundai Elantra: 1.5L / 1.6L (Early)
- Hyundai Scoupe: 1.5L Alpha SOHC/Turbo
- Hyundai Pony / Excel: 1.3L / 1.5L
- OE Part Number: 21421-21030
Technical Engine Specs
- Engine Family: Alpha (G4EH / G4EK)
- Position: Front Crankshaft
- Material: Premium Nitrile / Polyacrylate
- Type: Radial Lip Seal with Spring
- Standard: High-Thermal Tolerance
Benefits of 21421-21030 OIL SEAL
Choosing this specific sealing unit is vital for protecting your timing system. Because the Alpha engine is an interference design, selecting a premium seal ensures that no oil bypasses the crank snout, preventing timing belt degradation and potential engine failure. Proper installation is key; therefore, we strongly recommend browsing our Timing Belt Kits to perform a complete and professional front-end service.
Check Engine Fitment Verification
The Alpha engine series transitioned between several seal sizes in the late 90s. To ensure the 21421-21030 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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