NGK Spark Plug BR6ES 93328727 GM/Buick Original Quality

NGK spark plug BR6ES 93328727 directly replaces generic/Buick original parts; fits many GM models from 2000 onwards. Standard spec design; core function to ignite the air-fuel mixture, boosting power and fuel economy, solving rough idle, acceleration hesitation, and starting difficulties. If fuel consumption rises, power drops, or cold-engine roughness occurs, it indicates aging and replacement to restore smooth operation.