All about U6

Design of NGK Coil Systems

U6 coils can consist of multiple single or double spark coils, which are combined in one system.

Example 1

U6004, used by PSA. It consists of two "wasted spark" coils, supplying four cylinders.

For details of this technology, refer to the description of the U4 coils.

Example 2

U6019, used by GM. Four individual coils in one system.

For details of this technology, refer to the description of the U5 coils.