Product Description
Cover, Head
The Honda 12311-Z8B-000 Cylinder Head Cover is a genuine OEM replacement component designed for select Honda small engines. This precision-engineered cover protects the cylinder head, valve train, and internal components from dirt, debris, oil loss, and environmental exposure. Built from high-quality, heat-resistant materials, it maintains proper sealing and structural integrity under high operating temperatures and vibration. Ideal for replacing a cracked, warped, or leaking cover, this OEM part restores proper engine protection, prevents oil seepage, and maintains peak performance and reliability in mowers, generators, pumps, and other Honda-powered equipment.