Buick Envision Spark Plug Replacement

Gap 0.040in; Plug Type RE14MCC4

Gap 0.040in; Plug Type RE14PMC

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

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

Gap 0.032in; Plug Type RES8WYPB3

Gap 0.032in; Plug Type RES9PYP4

Gap 0.040in; Plug Type RES11PYP5

Gap 0.036"

Gap 0.044"

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

Gap 0.040in; Plug Type RES12WYPB4

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

Gap 0.036"

Gap 0.044"

Gap .040 (in)

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)

Gap 0.036" OE Equivalent Design* 60,000 mi OE Mfr Recommended Service Interval

Gap 0.044" OE Equivalent Design* 97,500 mi OE Mfr Recommended Service Interval

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

Gap 0.030" OE Equivalent Design* 60,000 mi Factory Recommended Service Interval

Gap 0.044"

Gap 0.036"