Description

21421-2B030 OIL SEAL: Crankshaft Front Guide

Durable Leak Protection | Accent, Rio & Veloster 1.6L

The 21421-2B030 OIL SEAL is the essential engine component designed to restore the fluid integrity of your Hyundai or Kia Gamma series engine. This professionally engineered unit ensures maximum lubricant retention, providing a clean engine bay and superior structural integrity.

21421-2B030 Fitment Guide

  • Hyundai Accent: 1.6L (2012-2021)
  • Hyundai Veloster: 1.6L GDI / Turbo
  • Kia Rio / Soul: 1.6L Gamma Engine
  • Kia Cerato / Forte: 1.6L MPI
  • Part Number: 21421-2B030

Technical Product Specifications

  • Material: High-Temp Nitrile / ACM
  • Type: Front Crankshaft Seal
  • Inside Diameter: OE Gamma Spec
  • Features: Dust Lip & Tension Spring
  • Standard: OE Precision Grade

Benefits of a New 21421-2B030 OIL SEAL

Choosing the correct replacement part is vital for protecting your drive belts and alternator from oil soak. Using a premium 21421-2B030 OIL SEAL ensures that your engine stays lubricated and efficient, preventing costly repairs caused by low oil levels. We strongly recommend browsing our Drive Belts and Valve Cover Gaskets to ensure a complete and professional engine seal refresh.

Confirm Your Professional Fitment

To ensure this oil seal is the perfect fit for your specific 1.4L or 1.6L engine variant, please contact us for professional verification using your chassis number.


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Note: Technical data for 21421-2B030 is for reference; please verify with your engine code before installation.

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Questions and Answers

What is the primary function of this sealing component?
It creates a dynamic barrier around the front nose of the crankshaft to keep engine oil contained within the block while rotating at high RPMs.
Which engines utilize the 21421-2B030 OIL SEAL?
It is a standard fitment for the 1.4L and 1.6L Gamma (G4FC/G4FD) and Kappa engine series found in most Hyundai and Kia compact cars.
What are the common symptoms of a failing front crank seal?
Look for oil dampness around the main crank pulley (harmonic balancer), oil spray on the underside of the hood, or spots on your driveway.
Is this component a direct replacement for the original part?
Absolutely. This part is manufactured to exact OE dimensional specifications using high-heat resistant rubber for a professional, leak-free fit.
Does this seal require specialized tools for installation?
While it can be installed with standard tools, using a professional seal driver ensures the 21421-2B030 sits perfectly flush to avoid premature wear.

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