Audi S4 Spark Plug Replacement

GM Original Equipment Conventional; Gap .032

with Multiple Ground Electrodes Gap 0.032in OE Type ; Plug Type RC10DMC

Gap 0.032in; Plug Type RC9YC

Gap 0.025"

Gap 0.028in OE Type ; Plug Type RC7YC3

Gap 0.044 Resistor Plug

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

Gap 0.032"

Gap 0.028in; Plug Type RC7PYCB

Gap 0.032in; Plug Type RC9PYC

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

Gap 0.032"

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

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

Gap: .032/0.8mm Enhanced Tapered Ground Electrode w/ Platinum Chip

Iridium XP

Gap: .024/0.6mm Enhanced Tapered Ground Electrode w/ Platinum Chip

w/ Factory Bosch Spark Plugs

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

Gap 0.040 O.E. Recommended Resistor Plug

Gap 0.040 O.E. Recommended Resistor Plug

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

Gap 0.032in; Plug Type RC10PLPB4

w/ Factory Bosch Spark Plugs

Gap 0.028in; Plug Type RC7WYPB3

Low-Ohm Design Gap 0.032in ; Plug Type KC8WYPB4

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

Gap 0.032in; Plug Type RC10WYPB4

Gap 0.032in; Plug Type RC10WMPB4

w/ Factory Bosch Spark Plugs

w/ Factory Bosch Spark Plugs

Gap 0.025"

Gap 0.032"

Gap 0.032"

OE Style

OE Style

Gap 0.032"

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 0.032" Actual OE Manufacturer 30,000 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

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

w/ Factory Bosch Spark Plugs

Gap 0.032 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 O.E. Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.032 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap .032 (in)

Gap 0.032"

w/ Factory Bosch Spark Plugs

w/ Factory Bosch Spark Plugs

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

Gap 0.032" Actual OE Manufacturer 32,000 mi OE Mfr Recommended Service Interval

Gap 0.025" OE Equivalent Design 60,000 mi OE Mfr Recommended Service Interval

Gap 0.032" Actual OE Manufacturer 55,000 mi OE Mfr Recommended Service Interval

w/ Factory NGK Spark Plugs

Gap 0.032 Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

Gap 0.028" Actual OE Manufacturer; OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs. 40,000 mi OE Mfr Recommended Service Interval

Single; Plug Type 7IR6Y; [Available While Supplies Last];0.043 in. Plug Gap