Description

Diesel Engine Head Bolt (Long) C3917728 The C3917728 Head Bolt (Long) is a precision-engineered diesel engine fastener designed to securely clamp the cylinder head to the engine block. This long-length head bolt plays a critical role in maintaining proper head gasket compression, even torque distribution, and long-term engine reliability under high combustion pressures. Manufactured from high-strength, heat-treated steel, the C3917728 head bolt is built to withstand extreme tensile loads, thermal expansion, and repeated torque cycles common in heavy-duty diesel engines. Its precision-cut threads and accurate length ensure proper engagement and consistent clamping force during installation. This long head bolt is ideal for cylinder head replacement, head gasket service, and full engine rebuilds . Proper installation using manufacturer-specified torque procedures helps prevent head gasket failure, compression loss, and coolant or oil leaks. The C3917728 diesel head bolt is commonly used in commercial trucks, construction equipment, industrial power units, and agricultural diesel engines , where dependable fastening strength and durability are essential.