Gap 0.035in; Plug Type RV12YC
Gap 0.060in; Plug Type RS14YC6
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
Gap 0.035" OE Equivalent Design
Gap 0.060"
Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset
Gap: .060/1.5mm Enhanced Tapered Ground Electrode w/ Platinum Chip
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap 0.060"
Gap 0.035"
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
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 .060 (in)
Gap 0.060in; Plug Type RS14PMPB5
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
Gap .035 (in); Auto
Gap 0.035"
Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset
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 Material is Platinum Do Not Gap, Gap is Preset
Gap 0.050 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Gap 0.035"
Gap 0.060"
Gap 0.060in; Plug Type RS14WLPB5
Gap .060 (in)
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)
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" 100,000 mi OE Mfr Recommended Service Interval
Gap .035 (in)
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 .060 (in)
Gap 0.060"
Gap 0.060"
Browse our selection of quality spark plug parts designed specifically for your GMC C3500HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
