The Mercedes 260 300 SL SE E 190 Crank Gear Swag 2.09.148 A1030520003 R107 W126 M103 is a high-quality sprocket made by SWAG. It is specifically designed for Mercedes vehicles and comes with the manufacturer part number 2.09.140. The sprocket is a crucial component in the engine's timing system, ensuring precise and efficient gear engagement. With the reference OE/OEM number A1030520003, this product is guaranteed to meet the original equipment specifications and offer reliable performance for your vehicle.