Fiat 500X Spark Plug Replacement

Gap 0.044in; Plug Type REC12MCC4

Gap .050 (in); Auto

Gap 0.044 Resistor Plug with Patented U-Groove Design

Gap 0.032in; Plug Type RA2PYPB

Gap 0.047"

Gap 0.047"

Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.047"

Gap 0.044in; Plug Type REC12WMPB5

Gap 0.047" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap 0.035 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.047"

Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Gap 0.032" Actual OE Manufacturer 37,000 mi OE Mfr Recommended Service Interval

Gap 0.028" Actual OE Manufacturer; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 30,000 mi OE Mfr Recommended Service Interval

Set Plug Gap To Manufacturers Recommended Setting