Genuine OEM Mercedes-Benz Injection Pump Coil Spring, part number A0000743793. This coil spring regulates pressure within the injection pump, ensuring precise fuel delivery. It is a critical component for the proper functioning of the fuel system. The spring has a length of 0.03 m and a weight of 0.002 kg. Genuine OEM springs are manufactured to exact specifications, guaranteeing correct tension and durability for reliable operation.