Delphi Ignition Coil SMW250131 Direct Replacement for Buick Excelle/Regal 2.0

Delphi ignition coil SMW250131 directly replaces OEM SMW250131 and is compatible with DMB928, 3341084Z00, 1104039; broad compatibility. Specifically fits Buick Excelle/Verano 2.0L models. Core function is to convert low voltage to high voltage to drive proper spark plug ignition, improving acceleration and reducing rough idle and high fuel consumption. If starting is difficult or climbing hills is weak, replace promptly.