G4KJ 2.4L Theta II GDI Full Engine Rebuild Kit | Crankshaft, Connecting Rods, Pistons & Complete Sealing/Bearing Set

Vehicle Fitment

Hyundai

Kia

OEM Cross Reference Part Numbers

Crankshaft

Connecting Rod

Piston & Piston Ring Assembly

Main Bearings

Connecting Rod Bearings

Crank Thrust Bearings

MLS Cylinder Head Gasket

Torque-Spec Cylinder Head Bolt Kit

Intake & Exhaust Valves

Full Engine Gasket & Seal Kit

Full Package Contents

Core Product Advantages

1. All-in-one top & bottom end overhaul combo covers all critical internal core parts for G4KJ direct injection engines, eliminating scattered separate parts purchasing for repair shops and DIY rebuilders.
2. High-strength forged crankshaft and reinforced connecting rods adopt professional quenching heat treatment, effectively solve common G4KJ failures: abnormal engine knocking, journal wear and crank deformation under heavy towing loads.
3. Precision-machined pistons with optimized oil control rings fix typical high-mileage GDI issues: excessive oil consumption, blue exhaust smoke and cylinder compression loss caused by clogged carbon deposits.
4. Hardened intake/exhaust valves improve combustion sealing performance, eliminate power drop and rough idle from valve recession; MLS reinforced steel head gasket resists high GDI combustion temperature to block coolant and oil cross-leaks.
5. Low-friction bimetallic main & rod bearings with matched thrust washers maintain stable crankshaft oil film, reduce engine vibration and extend overall service life.
6. Every component is CNC machined to OEM original dimensions for direct bolt-on replacement without modification, fully meeting overhaul demands for Korean mid-size sedans and SUVs.

Purchase & Installation Notice

1. Double-check OEM part numbers, vehicle model, production year and confirm your engine code is G4KJ before placing orders to avoid fitment mismatch.
2. Feel free to contact our customer service team anytime for pre-sales compatibility verification or post-installation technical guidance.

Warranty Policy