NGK U1025 / 48121 Ignition Coil Genuine NGK Component

Essentially the operating principle is the same for all types of ignition coils– whether the classic can-type coil, or in a coil rail system. The device contains two copper wire windings and a laminated iron core. The copper wires are insulated to prevent short circuits. The battery current fed through the primary winding produces a magnetic field whose strength is further increased by the iron core. When this circuit is opened, the magnetic field collapses, inducing a high voltage pulse in the secondary coil.

U1 Type Ignition Coil

One ignition coil per vehicle Number of ignition cables corresponds to the number of spark plugs In addition, a cable to the distributor is required. The NGK Type U1 ignition coil supplies the spark plugs with high voltage through a mechanical ignition distributor.

BOX DIMENSIONS

If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.