2011 2012 2013 2014 Hyundai Sonata 2.4L GDI Engine JDM G4KJ Theta II 55K Miles

Premium Low-Mileage 2011-2014 Hyundai Sonata 2.4L GDI Replacement Engine

Restore your Hyundai Sonata to factory performance with this reliable 55,000-mile G4KJ Theta II GDI engine. Sourced from a low-mileage donor vehicle, this engine offers the perfect balance of reliability and value compared to high-mileage units or expensive dealership repairs. Each unit is thoroughly inspected to ensure long-lasting performance and smooth operation for your daily commute.

Vehicle Specifications

• Engine Code: G4KJ (Theta II GDI)

• Displacement: 2.4L (2,359cc)

• Configuration: Inline 4-Cylinder (I4)

• Mileage: ~55,000 Miles

• Fuel Injection: Gasoline Direct Injection (GDI)

• Condition: Tested/Inspected Low-Mileage Used

Vehicle Fitments

This G4KJ 2.4L GDI engine is a direct fit for the following vehicles:

• Hyundai Sonata: 2011, 2012, 2013, 2014 (2.4L GDI models only)

Note: Please verify your original engine code is G4KJ prior to purchase. This engine may require transferring original components (sensors, wiring, manifolds) from your existing block.

Included Parts

• 1 x 2.4L G4KJ Engine Long Block Assembly

• Cylinder Head & Engine Block

• Internal components (Pistons, Rods, Crankshaft, Camshafts)

• Valve Cover & Oil Pan

Installation & Notes

• Component Transfer: To ensure seamless integration with your vehicle’s ECU, transfer all original sensors, intake/exhaust manifolds, and the wiring harness from your previous engine.

• Maintenance: It is highly recommended to replace the water pump, drive belts, and all engine gaskets before installation.

• Professional Install: Professional installation is required to validate the performance and any provided warranty.