U-Groove Spark Plug — W16FS-U View cart “U-Groove Spark Plug — W27ESR-U” has been added to your cart. $2.95 PART NUMBER: W16FSURMM PART: W16FS-U BRAND: DENSO NC NY TX WI NV 0 0 0 0 0 W16FSU,W16FS-U,DENSO please contact sales at (800)482-4899 to place your order. SKU: 3034 Category: DENSO Features 100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivityUnique five-rib insulator reduces flashover and decreases voltage lossDual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal.Original Equipment in automotive applications Related products Iridium Spark Plug — IUH24Iridium Spark Plug – IUH24 $14.95 PART NUMBER: IUH24RMM PART: IUH24MANUFACTURER NAME: DENSO NC NY TX WI NV 2 1 0 1 0 Add to cart U-Groove Spark Plug — W24FS-USpark Plug – W24FS-U $2.95 PART NUMBER: W24FSURMM PART: W24FS-UMANUFACTURER NAME: DENSO NC NY TX WI NV 16 0 0 0 0 Add to cart U-Groove Spark Plug — W27ES-USpark Plug – W27ES-U $2.95 PART NUMBER: W27ESURMM PART: W27ES-UMANUFACTURER NAME: DENSO NC NY TX WI NV 2 6 17 0 0 Add to cart U-Groove Spark Plug — W20ES-USpark Plug – W20ES-U $2.95 PART NUMBER: W20ESURMM PART: W20ES-UMANUFACTURER NAME: DENSO NC NY TX WI NV 0 10 0 0 2 Add to cart