The NGK spark plug wire set for Volvo S40 (2000–2004) employs ultra-low resistance mag-core construction with stainless steel winding and premium insulation for reliable spark delivery and EMI/RFI suppression. High-temp silicone outer jacket and EPDM/silicone inner insulation provide dielectric strength under heat. Spark plug boots are glued with a silicone sealer to ensure moisture resistance; terminals use serrated crimps and a locking C-shaped spring clip. Kit includes 2 wires (coil lead not required) and a limited lifetime warranty.
NGK Volvo S40 2004-2000 Spark Plug Wire Set