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.


WhatsApp Link

Note: Technical data for 21421-33114 is for reference; please verify with your engine code before installation.

Reviews

There are no reviews yet.

Be the first to review “21421-33114 OIL SEAL”

Your email address will not be published. Required fields are marked *

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 speeds.
Which engines utilize the 21421-33114 OIL SEAL?

It is a standard fitment for the 2.0L and 2.4L Theta/Theta II engines (G4KD, G4KE, G4KJ) and older 2.4L Sirius engines found in mid-size Hyundai and Kia vehicles.

What are the common symptoms of a failing front crank seal?

Look for oil dampness around the harmonic balancer (main crank pulley), oil residue on the timing cover, or dark spots on the driveway under the passenger side of the engine.

Is this component a direct replacement for the original part?

Absolutely. This part is manufactured to meet exact OE dimensional specifications using high-heat resistant rubber for a professional, leak-free fit.

Why should I replace the 21421-33114 seal during a timing service?

If your engine uses a timing belt (Sirius) or during front-end repairs, replacing the seal prevents future leaks that can ruin the belt or contaminate the alternator.


Still have questions?

Ask a question
Let's Chat