Genuine OEM Volkswagen Connecting Rod Bolt, part number 030105425. This bolt fastens the connecting rod to the crankshaft, transmitting power from combustion to the drivetrain. It is a critical fastener within the engine's rotating assembly. Weighing 0.021 kg, this component ensures secure connection under high stress. Genuine OEM connecting rod bolts are heat-treated and precisely machined for optimal strength and fatigue resistance.