Genuine OEM VAG Coil Spring, part number 5Q0511121ED. This coil spring is a critical component of the vehicle's suspension system, designed to absorb road shocks and support the vehicle's weight. It is typically located at the front or rear suspension assembly. Constructed from high-strength steel, it provides reliable performance and durability. Genuine OEM coil springs are manufactured to precise tolerances, ensuring correct spring rate and ride height for optimal handling and comfort.