Description
23040-41210 Piston Ring: Genuine Hyundai Truck & Bus Compatibility
3.3L & 3.9L Diesel Engine (D4AF / D4AL / D4DA) | Standard (STD) Size
The 23040-41210 Piston Ring set is a high-precision engine component specifically engineered for the Hyundai-Kia Commercial Diesel architecture. As a critical sealing element, this 23040-41210 Piston Ring ensures optimal cylinder compression and superior oil control, preventing blow-by in high-torque industrial and transport applications. This set is essential for professional engine overhauls in the Mighty, County, and Chorus models. For further technical details on heavy-duty maintenance, you can consult the Hyundai Global Service standards.
Hyundai Compatibility
- Mighty (Truck): 3.3L / 3.9L Diesel
- County (Bus): D4AL / D4DA Engine
- Chorus: D4AF Engine Variants
- Spec: 23040-41210 Piston Ring
- Grade: Standard (STD) Dimensions
- Quality: Genuine OE Replacement
Technical Specs
- Engine: 4-Cylinder Turbo Diesel
- Material: High-Strength Casting
- Engine Series: D4 Series Commercial
- Performance: Heavy-Duty Seal
- Component: OE Piston Ring Set
- Durability: Thermal Stress Resistant
Choosing the correct OE Piston Ring Set is vital for the longevity of your commercial diesel fleet. These rings are designed to withstand the intense thermal stress of turbocharged diesel combustion. If you are performing a complete engine rebuild, we recommend browsing our Full Engine Gasket Kits and Piston Assemblies to ensure all mating surfaces are properly sealed.
The D4 Diesel engine series has specific variations regarding oil ring design across different production years. To guarantee that the 23040-41210 Piston Ring is the exact match for your vehicle, 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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