This OEM 7701471373 cylinder head bolt is manufactured from high-strength Grade 10.9/12.9 iron material, offering excellent tensile strength and fatigue resistance. It is suitable for securing cylinder heads in engines of vehicles such as the Duster, Nissan, and Renault. The surface undergoes a blackening treatment to enhance corrosion resistance, ensuring long-term stable operation of the engine under high-temperature and high-pressure conditions.
Product Features:
• High-strength structural performance: Grade 10.9/12.9 strength meets engine high-pressure locking requirements.
• Precise OEM compatibility: Manufactured strictly to OEM specification 7701471373, ensuring stable compatibility.
• Enhanced corrosion resistance: Blackened surface treatment extends service life, suitable for diverse operating environments.