ZF Craftsmanship Audi A1 A3 Volkswagen Golf Passat Lavida Spark Plug 03C905601B SIZFR6B8EG

VW, Audi, and Porsche group models after 2000 can use the ZF forged spark plugs, direct replacement for OEM 03C905601B or SIZFR6B8EG. Iridium electrode provides stable ignition and longer life, improving cold-start difficulty, acceleration stumble, and rising fuel consumption. If idle jitter or sluggish acceleration occurs, replace promptly.