Genuine OEM Audi Engine Connecting Rod, part number 03L105401A. This vital internal engine component forms a crucial link between the piston and the crankshaft, converting the linear reciprocating motion of the piston into the rotational motion of the crankshaft. It is located within the engine block. Weighing 0.634 kg, this connecting rod is engineered for high strength and precision. Choosing a genuine OEM connecting rod ensures the correct material metallurgy, precise machining tolerances, and balanced weight, which are critical for smooth engine operation, minimizing vibrations, and ensuring long-term reliability under extreme forces.