Vehicle Compatibility (For Hyundai/Kia 2.4L G4KJ GDI Engines):
(Fitment Note: Designed strictly for 2.4L Theta II Gasoline Direct Injection (GDI) G4KJ engines. Please verify your engine code and OE part numbers before purchasing.)
Compatible Vehicles for Hyundai (2.4L G4KJ):
2011-2016 Hyundai Sonata
2014-2019 Hyundai Tucson
2017-2018 Hyundai Santa Fe Sport
Compatible Vehicles for Kia (2.4L G4KJ):
2011-2018 Kia Optima
2014-2020 Kia Sorento
2014-2019 Kia Sportage
Interchange/OE Part Numbers: 23111-2G200, 23111-2G230, 23510-2G500, 23510-2G540, 23510-2G520, 21020-25120, 21020-2G120, 23060-2G410.
What's Included in the Package List:
- 1x 2.4L G4KJ Crankshaft
- 4x Heavy-Duty Connecting Rods
- 4x Engine Pistons (Includes Piston Pins & Clips)
- 1x Main Bearing Set (10 Halves / 5 Pairs)
- 1x Rod Bearing Set (8 Halves / 4 Pairs)
- 1x Thrust Washer Set (2 Halves)
- 1x Piston Ring Compressor Tool & 1x Piston Ring Pliers
Recover from Theta II Engine Knock: Master 2.4L G4KJ Bottom End Rebuild Kit
Is your Hyundai or Kia 2.4L G4KJ engine suffering from the notorious Theta II rod knock, spun bearings, or catastrophic bottom-end failure? Don't let a seized rotating assembly condemn your vehicle. This premium Bottom End Rebuild Kit provides the exact high-quality internal components required to cure these common failures and breathe new life into your engine block. Designed strictly for the 2.4L Gasoline Direct Injection engine, this package is the smartest way to rebuild your bottom end and restore factory-spec reliability.
A proper bottom-end rebuild demands heavy-duty, precisely matched components to withstand the intense combustion pressures of direct injection. At the core of this package is a precision-machined 2.4L G4KJ replacement crankshaft. To prevent future rod failures, we have included four upgraded, heavy-duty connecting rods paired with four complete engine piston assemblies (pre-matched with pins and clips). To ensure flawless, friction-free rotation, this package is rounded out with a comprehensive main bearing set (10 halves), a rod bearing set (8 halves), and thrust washers. For your convenience during assembly, we have also included a piston ring compressor tool and piston ring pliers.
(IMPORTANT INSTALLATION NOTE: This bottom end kit does NOT include piston rings or engine gaskets. It is designed strictly to rebuild the rotating assembly of 2.4L Theta II Gasoline Direct Injection (GDI) G4KJ engines. Please carefully verify your engine code and OE part numbers before purchasing to ensure proper fitment for your vehicle.)
Engineered to effectively cure the Theta II rod bearing failure and save you from an expensive complete engine swap. This kit flawlessly fits the 2011-2016 Hyundai Sonata, 2014-2019 Tucson, and 2017-2018 Santa Fe Sport. It is equally compatible with 2011-2018 Kia Optima, 2014-2020 Sorento, and 2014-2019 Sportage models. Rebuild your engine block the right way with BTSCAR's premium internal components and get your vehicle safely back on the road.
Free Fast Shipping: Completely free shipping on all orders. To provide you with the most reliable and fastest delivery experience, your order will be fulfilled by Amazon Fulfillment.
30-Day Returns: We gladly accept returns and exchanges within 30 days of receiving your order. (Please kindly keep the product brand new and the package not damaged)
Standard Return Shipping: For standard returns and exchanges (e.g., ordered the wrong part, changed your mind), the buyer is responsible for the return shipping costs.
Note: As per our store guarantee, if you experience any quality issues with our engine kits, we will cover 100% of the return shipping costs.
1-Year Warranty: We stand behind our products with a full 365-day warranty.
Free Shipping on Returns: Zero risk on engine kits. If you encounter any quality issues, we will cover the shipping costs for returns or exchanges.
Exclusive Professional Support: Get dedicated, expert assistance for your parts and technical questions.
24-Hour Response: Email us anytime. Even outside of regular business hours, we guarantee a reply within 24 hours.
