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  • Genuine HOWO Transmission Ball Bearing 190003311416 – Sinotruk OEM Replacement Part - 副本

Genuine HOWO Transmission Ball Bearing 190003311416 – Sinotruk OEM Replacement Part - 副本

The VG1238030002 Piston is the heart of the Sinotruk T12 series natural gas engine. Unlike standard diesel pistons, this component is engineered to withstand the unique combustion characteristics and higher exhaust temperatures associated with CNG and LNG fuels.

In a T12 engine, thermal management is the difference between a truck on the road and a truck in the shop. This genuine piston features a specialized combustion bowl geometry optimized for gas-air mixing and a reinforced piston crown to prevent heat cracking. We often see aftermarket pistons fail due to poor alloy composition that cannot handle the T12’s specific compression ratios. By choosing the authentic VG1238030002, you ensure that your engine maintains its power curve and fuel efficiency while avoiding catastrophic cylinder wall damage. Whether you are doing a mid-life frame overhaul or a complete engine rebuild, this piston is the only way to meet original factory performance standards.



Technical Specifications

  • Part Number: VG1238030002

  • Engine Series: Sinotruk T12 (T12.34, T12.38, T12.42 Gas Engines)

  • Compatible Vehicles: HOWO A7, HOWO T7H, Sitrak CNG/LNG Models

  • Material: High-Silicon Aluminum Alloy with Heat-Resistant Coating

  • Structure: Includes specialized cooling gallery and combustion chamber bowl

  • Weight: Approximately 2.85 kg

  • Piston Diameter: Standard T12 specification (126mm)

  • Key Feature: Enhanced thermal fatigue resistance for gas-fuel combustion cycles