Jeep Grand Cherokee Spark Plug Replacement

Original Center Electrode Material is Copper/Nickel Gap 0.035 in

Gap 0.035in OE Type ; Plug Type RC12YC

Gap 0.035in; Plug Type RC12LYC Actual OE Part

Original Center Electrode Material is Copper/Nickel Gap 0.039 in

Gap 0.040in; Plug Type RC12LC4 Actual OE Part

Gap 0.040in; Plug Type RC12MCC4 Actual OE Part

Gap 0.035in; Plug Type RC12ECC Actual OE Part

Original Center Electrode Material is Copper/Nickel Gap 0.044 in

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

Gap 0.035" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap 0.040in; Plug Type RC7YC

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

Gap 0.035"

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

Gap 0.044in; Plug Type RC10MCC

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

Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

Resistor; Copper Core;Set Plug Gap To Manufacturers Recommended Setting

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

Gap 0.035" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

Gap .045 (in); Auto

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

Gap 0.044 Resistor Plug with Patented U-Groove Design

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

Gap 0.044 O.E. Recommended Resistor Plug

Original Center Electrode Material is Platinum Gap 0.04 in

Gap 0.035in; Plug Type RC12PYC

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

Gap 0.035" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

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

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

Gap 0.040in; Plug Type RC7PYCB4 Actual OE Part

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 RC12PMC4

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

Gap 0.040in; Plug Type RC12PLC4

2 Plugs Per Cylinder Required Gap 0.043in ; Plug Type RE10PMC5

RC12ECC;Set Plug Gap To Manufacturers Recommended Setting

Gap 0.035in; Plug Type RC10PEC

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 Iridium 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 0.035"

Gap 0.040"

Gap 0.040"

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

with Dual Spark Plugs Original Center Electrode and Ground Electrode Material is Platinum Do Not Gap, Gap is Preset

Gap: .040/1.0mm 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

Iridium XP

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

Gap 0.035in; Plug Type RC12PYP

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

with Dual Spark Plugs Original Center Electrode Material is Iridium 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

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

2 Plugs Per Cylinder Required Gap 0.043in ; Plug Type RE10PMPB5

Gap 0.035in; Plug Type RC12PEPB5

Set Plug Gap To Manufacturers Recommended Setting

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 0.044"

Gap 0.044in; Plug Type RC10PLPB4

Twin Spark System Gap 0.044"

Twin Spark System Gap 0.052"

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

Dual Plug; 16 Req'd Gap 0.032"

Gap 0.035 DENSO is O.E. Manufacturer / Resistor Plug

Dual Plug; Intake Side; 8 Req'd (8 Exhaust Side Plugs Also Req'd) Gap 0.039" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

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

Gap 0.040in; Plug Type RC7WYPB4

with Dual Spark Plugs 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

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

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 Iridium 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"

2 Plugs Per Cylinder Required Gap 0.032in ; Plug Type REC8WMPB4

Gap 0.035in; Plug Type RC12WYPB4

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"

Gap 0.044 Intake: STD / Exhaust: Iridium, Qty2 Per Cyl. 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

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

Dual Plug; 16 Req'd Gap 0.032"

Gap 0.040"

Gap 0.040"

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

Gap 0.035"

Twin Spark System Gap 0.052"

Gap 0.040"

Gap 0.035in; Plug Type RC12WEPB5

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

Gap 0.043in; Plug Type RER8ZWYCB4 Actual OE Part

Gap 0.043in; Plug Type RER8ZWYPB4 Actual OE Part

with Dual Spark Plugs Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

Gap .035 (in)

Gap 0.044 Iridium Power - Performance Upgrade with Worlds 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)

3.7L V6 Engine

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

Gap 0.040in; Plug Type RC12WLPB4

Dual Plug; 16 Req'd Gap 0.044" Actual OE Manufacturer 96,000 mi OE Mfr Recommended Service Interval

Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset

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 Worlds 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 .035 (in)

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 Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)

Iridium;Set Plug Gap To Manufacturers Recommended Setting

Dual Plug; Exhaust Side; 8 Req'd (8 Intake Side Plugs Also Req'd) Gap 0.051" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval

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 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

Gap 0.035 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 0.035 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 .035 (in)

Twin Spark System Gap 0.052" Actual OE Manufacturer 102,000 mi OE Mfr Recommended Service Interval

Twin Spark System Gap 0.044"

Gap 0.040"

Gap 0.044"

Gap 0.044"

Dual Plug; 16 Req'd Gap 0.032"

Gap 0.040"

Dual Plug; 16 Req'd Gap 0.044"

Gap 0.044" OE Equivalent Design 96,000 mi OE Mfr Recommended Service Interval

Gap 0.044"

All V8 Engines;Interchangeable with part # 68303913AA

Dual Plug; 16 Req'd Gap 0.032" OE Equivalent Design 60,000 mi OE Mfr Recommended Service Interval

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 O.E. Recommended 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

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

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 0.040"

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

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

Gap 0.026" Actual OE Manufacturer 30,000 mi Factory Recommended Service Interval

Gap 0.040" OE Equivalent Design 96,000 mi OE Mfr Recommended Service Interval

All 4.0L 6 Cyl Gas Engines

Replaces part # SPLCTR5A13

All V8 Engines;Interchangeable with part # SP303913AA

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

Exhaust Side;Supersedes part # SPFR8I1332

4.7L V8 Engine;Supersedes part # SPRC12MCC4

6.4L V8 SRT HEMI

RC9YC;Set Plug Gap To Manufacturers Recommended Setting

RC12YC;Set Plug Gap To Manufacturers Recommended Setting

RC12LC4;Set Plug Gap To Manufacturers Recommended Setting

RC12LYC;Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

Gap 0.032 Qty 2 Per Cyl. O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap

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

Set Plug Gap To Manufacturers Recommended Setting

Double Platinum;Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

Set Plug Gap To Manufacturers Recommended Setting

5.7L V8 HEMI Engine;Replaces part # 68143877AB

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

Single; Plug Type 5IR5Y; 14 mm. Thread; 0.9840 Reach

14mm Thread; 3/4 in Reach; Hot Heat Range; 4 Pack;0.035 in. Plug Gap