Compare Dorman HELP! Spark Plug Non-Fouler - 42004 Part #: 42004 Line: MTM Dorman HELP! Spark Plug Non-Fouler 1 Year Limited Warranty Material: Steel Thread Size: M14-1.25 Wrench Size (mm): 19mm Seat Type: Tapered Show More Show Less
Compare Dorman HELP! Spark Plug Non-Fouler - 42006 Part #: 42006 Line: MTM Dorman HELP! Spark Plug Non-Fouler 1 Year Limited Warranty Material: Steel Thread Size: M14-1.25 Wrench Size (mm): 17mm Seat Type: Tapered Show More Show Less