Gap 0.040in; Plug Type RS12YC
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap 0.040in; Plug Type RS14PMC4
Gap: .040/1.0mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Gap 0.050in; Plug Type RE10PMC5
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap: .043/1.1mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Gap 0.040"
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap .040 (in)
Gap 0.040in; Plug Type RS14PMP4
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.042in; Plug Type RES11PYP5
Gap 0.044"
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gold Double Platinum; Gap .049
Gap 0.040in OE Type ; Plug Type RS12WMPB4
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.042in OE Type ; Plug Type RES12WYPB4
Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Gap 0.040"
Gap 0.044"
Gap .040 (in)
Gap 0.040 DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap OE
Gap 0.040 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Do not gap; Gap is pre-set
Gap 0.040" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval
Gap 0.044" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval
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 0.040"
Gap 0.050" OE Equivalent Design 100,000 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 0.044 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)
Do not gap; Gap is pre-set
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap .040 (in)
Do not gap; Gap is pre-set
Gap 0.040"
Gap 0.044"
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
LTR5GP NGK
Do not gap; Gap is pre-set
Do not gap; Gap is pre-set
Single; Plug Type 5IR5Y; 14 mm. Thread; 0.9840 Reach
Single; Plug Type 1IR5L; 14 mm. Thread; 0.6910 Reach
Browse our selection of quality spark plug parts designed specifically for your GMC Envoy. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Denali · SLE · SLT
Sport Utility
L6 4.2L · V8 5.3L
Automatic
