2003 Jeep TJ Spark Plug Parts

Choose your Engine for your 2003 Jeep TJ


Showing 1 - 10 of 24 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
    • Resistor Type: Yes
    • 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 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
    • Resistor Type: Yes
    • 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:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Zfr5n
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Nickel
    • Stock Number: 3459
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 5
    • Ground Configuration: Standard
    • Pre-Gap Size: .036
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • 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:
    • Seat Type: Tapered
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Lztr4a-11
    • Hex Size: 5/8
    • Reach: 25.00
    • Center Electrode Tip Material: Nickel
    • Stock Number: 5306
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 4
    • Ground Configuration: Standard
    • Pre-Gap Size: .044
    • Resistance: 5000
    • Insulator Height: 55.00
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • 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
  • OE Style; .040"/1.0mm
  • Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.982
      • 25.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.040
      • 1.00
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • 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, 443, 4997, W5DP

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

Autolite
  • Autolite 985 Copper Resistor Spark Plug
  • OE Style; .035"/0.9mm
  • Copper Resistor Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Flat
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.750
      • 19.5
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Extra-long
    • Pre-Gap Size:
      • 0.034
      • 0.90
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • 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:
3001, 3459, 41-631, 60, 7546, AG44

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

Autolite
  • Autolite APP5263 Double Platinum Spark Plug
  • .040"/1.0mm
  • Double Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Platinum
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.982
      • 25.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.040
      • 1.00
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • 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:
41-834, 4718, 4998, 7032, 88901031

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

Autolite
  • New Autolite Iridium Ultra Finewire is an OE replacement plug with a laser welded center electrode, an ultra thin 0.5mm Iridium centerwire with longer 1.4mm tip providing maximum fuel efficiency. 100K miles or more service life. .040"/1.0mm
  • Iridium Finewire Spark Plug
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

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

Autolite
  • Autolite AP985 Platinum Spark Plug
  • .035"/0.9mm
  • Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Flat
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.750
      • 19.5
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Extra-long
    • Pre-Gap Size:
      • 0.034
      • 0.90
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • 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:
82, 88901009, AGRP54, QJ16HR-U

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

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
    • Resistor Type: Yes
    • 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
Showing 1 - 10 of 24 products

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