Description

20910-25B00 Full Gasket Compatibility

20910-25B00 Full Gasket Hyundai & Kia 2.4L Theta Engine Series (2004–2010 Platforms)

The 20910-25B00 FULL GASKET (also referenced as 20910-25B00A) is a premium overhaul solution specifically engineered for the 2.4L Theta DOHC architecture. This comprehensive kit provides a complete sealing solution for both the cylinder head and engine block, utilizing advanced multi-layer steel (MLS) head gaskets to handle the thermal demands of mid-size sedans and SUVs. Ideal for maintaining OE-level performance in North American and international models built during the late 2000s. Browse our engine component catalog or explore our full range of Hyundai and Kia parts to complete your 20910-25B00 GASKET SET installation.

20910-25B00: Hyundai Models

  • Sonata (NF): 2004–2010 (2.4L)
  • Grandeur (TG): 2005–2010 Series
  • Origin: Fits Korean & Alabama-built Models
  • Engine: 2.4L Theta Petrol
  • Quality: OE-Precision Overhaul Grade
  • Reliability: High-Compression Sealing

20910-25B00: Kia Models

  • Optima / Magentis: 2005–2010
  • Rondo / Carens: 2006–2010
  • Forte: Select 2.4L Variants
  • Spec: Exact Port Alignment
  • Material: Heat-Stabilized Elastomers
  • Standard: Professional Shop Grade

Interchangeable Part Numbers: 20910-25B00 / 2091025B00 / 20910-25B00A

The Theta engine has various regional build configurations, particularly between Korean and Alabama-built units. Please verify fitment for your 20910-25B00 FULL GASKET KIT using your VIN.


WhatsApp Link for 20910-25B00 Gasket Set

Note: 20910-25B00 FULL GASKET images are for illustration. Visit our FAQ page for support.

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Questions and Answers

What is included in the 20910-25B00 full gasket kit?
The 20910-25B00 FULL GASKET includes all essential upper and lower engine seals—such as the multi-layer steel (MLS) cylinder head gasket, valve stem seals, intake and exhaust manifold gaskets, and crank seals—needed for a complete rebuild of the 2.4L Theta engine.
Is this gasket set compatible with both Hyundai and Kia 2.4L engines?
Yes, this kit is designed specifically for the Hyundai/Kia 2.4L Theta DOHC engine family, covering popular models like the Sonata, Optima, and Rondo manufactured between 2004 and 2010.
How do I verify if my vehicle requires this specific 20910-25B00A gasket kit?
Because regional production differences exist between Korean-manufactured and Alabama-manufactured engines, we recommend verifying the specific requirements for your 20910-25B00 GASKET SET by sending your chassis number via our WhatsApp link.

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