KLP Iridium Spark Plug 41-602 19302724 Volkswagen Buick Chevrolet Hummer Universal Type

For VW, Buick, Chevrolet, and Hummer owners: KLP iridium spark plug 41-602 (OEM 19302724) fits engines from 2.0L to 6.0L post-2000, including Buick Regal, Chevrolet Cruze, Hummer H2, etc. It uses standard electrode material with 6k ohm resistance, M14x1.25 thread, 26.5 mm reach; improves ignition efficiency and combustion stability, reduces carbon buildup; OEM numbers 19302724 and RC12YC for quick cross-reference.