Check the listing for details. Pack (1) Spark Plug Wire Ignition Coil Cable No.12173579 for. Condition: New. Listed at 23.18 USD. Features:Adopted with heat resistant silicone material for whole jacket and reinforced housing, stronger insulation Nickel core to bear high-temperature. Help to solve engine misfire or loss of spark. Prevent your engine from vibration due to bad spark plug harness.Ignition coil cable transport the electricity which produced by the ignition coil to the cylinder, to make sparks among spark plug pole to light the mixture thus make the engine restore it's function.Improve combustion efficiency and strengthen electrical performance. Increase ignition energy intensity for easy starting and smooth riding.This is non-OEM product, accessory ONLY!OE Number:12192092/12173579/8121735790/88984265/19154585/88862384Specification:Color: BlackMaterial: Silicone, NickelFit for:for Chevrolet Astro 1996-2005 V6 4.3Lfor Chevrolet Blazer 1996-2005 V6 4.