GMC P3500 Spark Plug Replacement

Heavy Duty; Gap 0.045" OE Equivalent Design

Gap 0.045in OE Type ; Plug Type RV12YC

Light Duty Gap 0.045in OE Type ; Plug Type RV15YC4

Light Duty Gap 0.045in OE Type ; Plug Type RV17YC

Gap 0.060in; Plug Type RS14YC6

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.060 Resistor Plug with Patented U-Groove Design

Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Light Duty Gap 0.045" OE Equivalent Design

Gap 0.045" OE Equivalent Design

Heavy Duty; Gap 0.045" OE Equivalent Design

Gap 0.060in; Plug Type RS14PYC6

Gap 0.060"

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Light Duty Gap 0.045in ; Plug Type RV17PMC4

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap .045 (in); Auto

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.060"

Light Duty Gap 0.045"

Heavy Duty; Gap 0.045"

Gap 0.045"

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap: .045; Light Duty Enhanced Tapered Ground Electrode w/ Platinum Chip

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

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

Gap .060 (in)

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

Gap 0.060in OE Type ; Plug Type RS14PMPB5

Light Duty Gap 0.045in ; Plug Type RV17PMP4

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.060in OE Type ; Plug Type RS14PYPB5

Gap .035 (in); Auto

Gap 0.045"

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap 0.060in; Plug Type RS12WMPB4

Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Light Duty Gap 0.045"

Gap 0.060"

Heavy Duty; Gap 0.045"

Gap 0.045"

Gap 0.060in; Plug Type RS14WYPB5

Gap .060 (in)

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 0.044 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)

Rapidfire

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 0.060" OE Equivalent Design* 100,000 mi OE Mfr Recommended Service Interval

Gap .035 (in)

Gap 0.060"

Gap 0.060" OE Equivalent Design

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

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

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

Gap 0.060"

Gap 0.060"

Single; Plug Type 6IR4Y; [Available While Supplies Last];0.035 in. Plug Gap Available While Supplies Last

Single; Plug Type 6IR5Y; [Available While Supplies Last];0.035 in. Plug Gap