U-Groove Spark Plug — W16FS-U View cart “U-Groove Spark Plug — W22EP-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 — IW31Iridium Spark Plug – IW31 $24.95 PART NUMBER: IW31RMM PART: IW31MANUFACTURER NAME: DENSO NC NY TX WI NV 8 0 2 0 0 Add to cart U-Groove Spark Plug — W24ESR-USpark Plug – W24ESR-U $3.95 PART NUMBER: W24ESRURMM PART: W24ESR-UMANUFACTURER NAME: DENSO NC NY TX WI NV 18 20+ 0 20+ 4 Add to cart U-Groove Spark Plug — W27ESR-USpark Plug – W27ESR-U $3.95 PART NUMBER: W27ESRURMM PART: W27ESR-UMANUFACTURER NAME: DENSO NC NY TX WI NV 0 0 0 20+ 20+ Add to cart U-Groove Spark Plug — W20EP-USpark Plug – W20EP-U $2.95 PART NUMBER: W20EPURMM PART: W20EP-UMANUFACTURER NAME: DENSO NC NY TX WI NV 0 0 2 0 0 Add to cart