2003 Jeep TJ Spark Plug Parts

Choose your Submodel for your 2003 Jeep TJ


Showing 1 - 10 of 27 products
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Champion
  • Champion Copper Plus- Boxed - RC12ECC
  • Gap 0.035in; Plug Type RC12ECC Actual OE Part
  • Champion Copper Plus 438 Spark Plug (Carton of 4)
  • Copper Plus
  • Product Attributes:
    • Hex Size:
      • 0.625
      • 15.880
    • Reach: 0.75
    • Center Electrode Tip Material: Nickel
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Pre-Gap Size:
      • 0.035
      • 0.90
    • Classification: Champion Copper Plus
    • Ground Electrode Core Material: Nickel
    • Insulator Height: 0.29
    • Plug Type: Rc12ecc
  • Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
  • Suggested Purchase Quantity: 10
    • Most jobs typically require 10 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
RC12ECC, ZFR5N

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 6 Cyl 4.0L 242

Champion
  • Champion Platinum Power - Boxed - RE14PMC
  • Gap 0.040in; Plug Type RE14PMC
  • Champion Platinum Power 3570 Spark Plug (Carton of 4)
  • Platinum Power
  • Product Attributes:
    • Hex Size:
      • 0.625
      • 15.880
    • Center Electrode Tip Material: Platinum
    • Seat Type: Tapered
    • Electrical Terminal Type: Non-removable Nut
    • Manufacturer Heat Range: 14
    • Pre-Gap Size:
      • 0.045
      • 1.15
    • Classification: Champion Platinum Power
    • Ground Electrode Core Material: Nickel
    • Plug Type: Re14pmc
  • Champion® Platinum Power™ spark plugs deliver powerful performance. Made from exclusive Heat-Active™ alloy, a fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus.
  • Suggested Purchase Quantity: 16
    • Most jobs typically require 16 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
RE14PMC

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 4 Cyl 2.4L 148

Champion
  • Champion Double Platinum - Boxed - RE14PMPB
  • Gap 0.040in; Plug Type RE14PMPB
  • Champion Double Platinum Power 7570 Spark Plug (Carton of 4)
  • Double Platinum Power
  • Product Attributes:
    • Hex Size:
      • 0.625
      • 15.880
    • Center Electrode Tip Material: Platinum
    • Seat Type: Tapered
    • Electrical Terminal Type: Non-removable Nut
    • Manufacturer Heat Range: 14
    • Pre-Gap Size:
      • 0.045
      • 1.15
    • Classification: Champion Double Platinum
    • Ground Electrode Core Material: Platinum
    • Plug Type: Re14pmpb
  • Champion® Double Platinum Power™ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active™ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
  • Suggested Purchase Quantity: 16
    • Most jobs typically require 16 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
RE14PMPB, SPLZTR5A13

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 4 Cyl 2.4L 148

Champion
  • Champion Double Platinum - Boxed - RC12PEPB5
  • Gap 0.035in; Plug Type RC12PEPB5
  • Champion Double Platinum Power 7034 Spark Plug (Carton of 4)
  • Double Platinum Power
  • Product Attributes:
    • Hex Size:
      • 0.625
      • 15.880
    • Reach: 0.75
    • Center Electrode Tip Material: Platinum
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Pre-Gap Size:
      • 0.045
      • 1.15
    • Classification: Champion Double Platinum
    • Ground Electrode Core Material: Platinum
    • Insulator Height: 0.28
    • Plug Type: Rc12pepb5
  • Champion® Double Platinum Power™ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active™ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.

This Part Fits the Following OEM/Substitute Numbers:
04606591AB, 4428, FGR8LQPO, RC12PEPB5, ZFR5LP13G

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 6 Cyl 4.0L 242

NGK
  • NGK V-Power Spark Plug
  • Gap 0.036" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval
  • V-Power Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard
    • Center Electrode Insulator Tip Projection:
      • 0.35
      • 9.0
    • Washer Included: Yes
    • Electrical Terminal Type: Non-removable Nut
    • Grade Type: Standard Replacement
    • Service Number: Zfr5n
    • Washer Type: Crush
    • Ground Electrode Tip Material: Nickel
    • Short Style Spark Plug: No
    • Skirt: No
    • Center Electrode Core Material: Copper
    • Part Number: Zfr5n
    • Resistor Type: Yes
    • Stock Number: 3459
    • Ground Electrode Tip Design: Standard
    • Pre-Gap Size:
      • .036
      • 0.9
    • Ground Electrode Core Material: Nickel
    • Material Grade: Nickel/copper
    • Center Electrode Projection: Extra-long Projection
    • Seat Type: Flat
    • Ground Electrode Quantity: 1
    • Insulator Material: Ceramic
    • Hex Size: 5/8" (16mm)
    • Reach:
      • 0.750
      • 19.0
    • Center Electrode Tip Material: Nickel
    • Skirt Length: 0.0
    • Manufacturer Heat Range: 5
    • Ground Configuration: J-gap
    • Resistance: 5000.0
    • Insulator Height:
      • 1.99
      • 50.5
    • Thread Diameter:
      • 0.551
      • 14.0
  • Features:
    • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
    • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
    • NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
3412, 3459, 4003, 41-631, 4203, 438, 438C2, 7561, 7961, 9656, AP985, APP985, FR8VII33U, FR9HC, FR9HC+, FR9HP, FR9HP+, K5RTC5...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 6 Cyl 4.0L 242

NGK
  • NGK V-Power Spark Plug
  • Gap 0.044" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval
  • V-Power Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard
    • Center Electrode Insulator Tip Projection:
      • 0.20
      • 5.0
    • Washer Included: No
    • Electrical Terminal Type: Non-removable Nut
    • Grade Type: Standard Replacement
    • Service Number: Lztr4a-11
    • Ground Electrode Tip Material: Nickel
    • Short Style Spark Plug: No
    • Skirt: No
    • Center Electrode Core Material: Copper
    • Part Number: Lztr4a-11
    • Resistor Type: Yes
    • Stock Number: 5306
    • Ground Electrode Tip Design: Standard
    • Pre-Gap Size:
      • .044
      • 1.1
    • Ground Electrode Core Material: Nickel
    • Material Grade: Nickel/copper
    • Center Electrode Projection: Long Projection
    • Seat Type: Tapered
    • Ground Electrode Quantity: 1
    • Insulator Material: Ceramic
    • Hex Size: 5/8" (16mm)
    • Reach:
      • 0.984
      • 25.0
    • Center Electrode Tip Material: Nickel
    • Skirt Length: 0.0
    • Manufacturer Heat Range: 4
    • Ground Configuration: J-gap
    • Resistance: 5000.0
    • Insulator Height:
      • 2.20
      • 56.0
    • Thread Diameter:
      • 0.551
      • 14.0
  • Features:
    • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
    • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
  • Suggested Purchase Quantity: 16
    • Most jobs typically require 16 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
443, 443C2, 5306, 570, 570C2, 6711, 7994, E3.66, RE14MCC4, RE16MC, S2LZTR4A11, SOLZTR4A11

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 4 Cyl 2.4L 148

Autolite
  • Autolite AP5263 Platinum Spark Plug
  • Gap .040 (in)
  • Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Projection: Mid Projection
    • Center Electrode Insulator Tip Projection:
      • 0.133
      • 3.38
    • Seat Type: Tapered
    • Washer Included: No
    • Electrical Terminal Type: Non-removable Nut
    • Ground Electrode Quantity: 1
    • Grade Type: Performance
    • Core Nose Length:
      • 0.571
      • 14.5
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Hex Type: Hex
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Indexed: No
    • Hex Size: 5/8
    • Reach:
      • 0.982
      • 24.94
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 11
    • Pre-Gap Size:
      • 0.04
      • 1.02
    • Resistance: 4000
    • Insulator Height:
      • 2.192
      • 55.68
  • Features:
    • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
    • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
    • The multi-rib insulator prevents flash-over.
    • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.
  • This item must be purchased in quantities of 4

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 4 Cyl 2.4L 148

Autolite
  • Autolite AP5263 Platinum Spark Plug
  • OE Style
  • Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Projection: Mid Projection
    • Center Electrode Insulator Tip Projection:
      • 0.133
      • 3.38
    • Seat Type: Tapered
    • Washer Included: No
    • Electrical Terminal Type: Non-removable Nut
    • Ground Electrode Quantity: 1
    • Grade Type: Performance
    • Core Nose Length:
      • 0.571
      • 14.5
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Hex Type: Hex
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Indexed: No
    • Hex Size: 5/8
    • Reach:
      • 0.982
      • 24.94
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 11
    • Pre-Gap Size:
      • 0.04
      • 1.02
    • Resistance: 4000
    • Insulator Height:
      • 2.192
      • 55.68
  • Features:
    • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
    • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
    • The multi-rib insulator prevents flash-over.
    • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
19145286, 3032, 3570, 443, 4606402AD, 4997, 56028374AB, 570, FR8SPP30X, HGR7MDP0 , HGR7MQI0 , HGR7MQP0, HGR8MDP0 , HGR8MQI0 , HGR8MQP0, HR7MPP30X, HR8MPP30X, HR8SPP300V...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 4 Cyl 2.4L 148

Autolite
  • Autolite 985 Copper Spark Plug
  • OE Style; Auto
  • Copper Spark Plug
  • Product Attributes:
    • Center Electrode Projection: Extra-long Projection
    • Center Electrode Insulator Tip Projection:
      • 0.33
      • 8.38
    • Seat Type: Flat
    • Washer Included: Yes
    • Electrical Terminal Type: Non-removable Nut
    • Ground Electrode Quantity: 1
    • Grade Type: Regular
    • Core Nose Length:
      • 0.552
      • 14.02
    • Washer Type: Flat
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Hex Type: Hex
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Indexed: No
    • Hex Size: 5/8
    • Reach:
      • 0.75
      • 19.05
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 7
    • Pre-Gap Size:
      • 0.034
      • 0.86
    • Resistance: 4000
    • Insulator Height:
      • 1.988
      • 50.5
  • Features:
    • The copper core center electrode aids in thermal control and improves resistance to fouling.
    • Its specially engineered high nickel alloy center and ground electrode provides extended life.
    • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
    • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
  • This item must be purchased in quantities of 4

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 6 Cyl 4.0L 242

Autolite
  • Autolite 985 Copper Spark Plug
  • Gap .035 (in); Auto
  • Copper Spark Plug
  • Product Attributes:
    • Center Electrode Projection: Extra-long Projection
    • Center Electrode Insulator Tip Projection:
      • 0.33
      • 8.38
    • Seat Type: Flat
    • Washer Included: Yes
    • Electrical Terminal Type: Non-removable Nut
    • Ground Electrode Quantity: 1
    • Grade Type: Regular
    • Core Nose Length:
      • 0.552
      • 14.02
    • Washer Type: Flat
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Hex Type: Hex
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Indexed: No
    • Hex Size: 5/8
    • Reach:
      • 0.75
      • 19.05
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 7
    • Pre-Gap Size:
      • 0.034
      • 0.86
    • Resistance: 4000
    • Insulator Height:
      • 1.988
      • 50.5
  • Features:
    • The copper core center electrode aids in thermal control and improves resistance to fouling.
    • Its specially engineered high nickel alloy center and ground electrode provides extended life.
    • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
    • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
14 FR-8 HU, 3001, 3459, 41-631, 4203, 4318138, 4412, 56027275, 56041402AB, 5613711, 5613716, 5613797, 5614040, 5614228, 60, 736, 7546, 7712...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Jeep TJ L - 6 Cyl 4.0L 242
Showing 1 - 10 of 27 products

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