Mercedes-Benz S500 Spark Plug Replacement

Gap 0.032in OE Type ; Plug Type RC12YC

Gap 0.044 Qty 2 Per Cyl. Resistor Plug with Patented U-Groove Design

Gap 0.044 Resistor Plug

Gap 0.032 O.E. Recommended Resistor Plug with Patented U-Groove Design

Gap 0.032 Resistor Plug with Patented U-Groove Design

Gap 0.032" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.032"

Gap 0.032in; Plug Type RC12PYC

Dual Plug; 16 Req'd Gap 0.039"

Dual Plug; 16 Req'd Gap 0.039"

Gap 0.032"

Optional Original Center Electrode Material is Copper/Nickel 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 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

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

2 Plugs Per Cylinder Required Gap 0.039in OE Type ; Plug Type RC11PYPB4

Gap 0.032in; Plug Type RC12WYPB4

Gap 0.044 Platinum Plug - Long Life Platinum Plug with Taper Tip & Patented U-Groove Design

Gap .032 (in)

Gap 0.039"

Gap 0.032"

OE Style

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)

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 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

Dual Plug; 16 Req'd Gap 0.039" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval

Gap 0.044 Qty 2 Per Cyl. O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.044 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.039" OE Equivalent Design 100,000 mi OE Mfr Recommended Service Interval Sell Out and Reorder IFR5E11 (Stock # 7994)

Gap .032 (in)

Gap 0.039"

Dual Plug; 16 Req'd Gap 0.039"

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