Description
23410-42703 Piston Assembly: Genuine Hyundai & Kia Diesel Compatibility
2.5L Turbo Diesel (D4BH / 4D56 TCI) | Standard (STD) Size
The 23410-42703 Piston Assembly is a high-precision engine component specifically engineered for the Hyundai-Kia 2.5L Turbo Diesel architecture. As a core reciprocating element, this 23410-42703 Piston Assembly is manufactured to original equipment standards to ensure optimal cylinder compression and structural durability within TCI (Turbo Intercooler) variants. This assembly is essential for professional engine overhauls in the H1, Starex, and Galloper. For further technical details on engine maintenance, you can consult the Hyundai Global Service standards. To ensure 100% fitment, verifying with your VIN is highly recommended:
Hyundai Compatibility
- H1 / Starex: 2.5L TCI Diesel
- Galloper II: 2.5L Turbo Intercooler
- H100 / Grace: D4BH Engine Variants
- Spec: 23410-42703 Piston Assembly
- Grade: Standard (STD) Size
- Quality: Genuine OE Replacement
Kia Compatibility
- Bongo III: 2.5L Turbo Diesel
- Pregio: D4BH Series Engines
- K2500: 2.5L TCI Models
- Performance: Heat-Resistant Alloy
- Component: OE Engine Component
- Durability: High Thermal Resistance
Choosing the correct OE Piston Set is vital for the longevity of the 2.5L diesel engine family. This component is designed to withstand the high-stress environment of turbocharged combustion chambers, providing a perfect fit within the cylinder bore. If you are performing a complete engine rebuild, we recommend browsing our Full Engine Gasket Kits and Piston Ring Sets to ensure all mating surfaces are properly sealed.
The 2.5L D4BH engine has different piston crown designs (combustion bowl shapes) depending on emission levels and turbo specs. To guarantee that the 23410-42703 Piston Assembly is the exact match for your specific block, please verify compatibility using your Chassis number (VIN).
Note: Images shown are for illustration purposes only and may not be an exact representation of the product.











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