Jeep Commander Spark Plug Replacement

Original Center Electrode Material is Copper/Nickel Gap 0.039 in

Gap 0.040in; Plug Type RC12MCC4 Actual OE Part

Original Center Electrode Material is Copper/Nickel Gap 0.044 in

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type REC12MCC4

Gap 0.044in; Plug Type RC10MCC

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type RE14MCC4 Actual OE Part

Gap .045 (in); Auto

Gap 0.044 O.E. Recommended Resistor Plug

Gap 0.044 O.E. Recommended Resistor Plug

Gap 0.040" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.044" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval

Twin Spark System Gap 0.044" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

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

Gap 0.040in; Plug Type RC12PMC4

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type RE14PMC

with Dual Spark Plugs 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

with Dual Spark Plugs Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap: .045/1.1mm; w/ Dual Spark Plugs Enhanced Tapered Ground Electrode w/ Platinum Chip

Gap 0.040"

Gap 0.044"

with Dual Spark Plugs Original Center Electrode Material is Copper/Nickel Gap 0.044 in

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

with Dual Spark Plugs Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

with Dual Spark Plugs 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 0.040in; Plug Type RC12PMPB4

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type RE14PMPB

Dual Plug; Intake Side; 8 Req'd (8 Exhaust Side Plugs Also Req'd) Gap 0.039"

Gap 0.044in OE Type ; Plug Type RC10PLPB4

Twin Spark System Gap 0.044"

Dual Plug; Exhaust Side; 8 Req'd (8 Intake Side Plugs Also Req'd) Gap 0.051"

Dual Plug; Intake Side; 8 Req'd (8 Exhaust Side Plugs Also Req'd) Gap 0.039" OE Equivalent Design

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

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

with Dual Spark Plugs 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

with Dual Spark Plugs Original Center Electrode Material is Copper/Nickel Do Not Gap, Gap is Preset

Gap 0.040 Qty 2 Per Cyl. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Gap 0.040 Qty 2 Per Cyl. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Twin Spark System Gap 0.044"

Gap 0.044in; Plug Type RC10WMPB4

Gap 0.040in; Plug Type RC12WMPB4

Dual Plug; Intake Side; 8 Req'd (8 Exhaust Side Plugs Also Req'd) Gap 0.039"

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

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type RE14WMPB4

Gap 0.040"

Dual Plug; Exhaust Side; 8 Req'd (8 Intake Side Plugs Also Req'd) Gap 0.051"

Gap 0.044"

2 Plugs Per Cylinder Required Gap 0.044in ; Plug Type REC12WMPB5

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)

3.7L V6 Engine

Dual Plug; Intake Side; 8 Req'd (8 Exhaust Side Plugs Also Req'd) Gap 0.039"

Exhaust Side;Interchangeable with part # SPFR8I1332

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

Gap 0.044 Qty 2 Per Cyl. 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 Qty 2 Per Cyl. 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 0.044 Qty 2 Per Cyl. 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)

Dual Plug; Exhaust Side; 8 Req'd (8 Intake Side Plugs Also Req'd) Gap 0.051" OE Equivalent Design

Gap 0.040 Qty 2 Per Cyl. Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.040 Qty 2 Per Cyl. Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Gap 0.044 Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Twin Spark System Gap 0.044"

Gap 0.044"

Gap 0.044"

Gap 0.040"

Dual Plug; 16 Req'd Gap 0.044"

All V8 Engines;Interchangeable with part # 68303913AA

Gap 0.040 Qty 2 Per Cyl. Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Gap 0.044 Qty 2 Per Cyl. Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

RC12MCC4;Set Plug Gap To Manufacturers Recommended Setting

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

5.7L V8 HEMI Engine;Replaces part # SLZFR5C11G

Intake;Interchangeable with part # SPFR8I1332

Gap 0.040"

Gap 0.044"

Gap 0.044 Qty 2 Per Cyl. O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

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

All V8 Engines;Interchangeable with part # SP303913AA

Exhaust Side;Supersedes part # SPFR8I1332

4.7L V8 Engine;Supersedes part # SPRC12MCC4

Exhaust Side;Set Plug Gap To Manufacturers Recommended Setting For Use w/Existing Hardware

Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting