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2003 Ford Explorer
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2003 Ford Explorer

2003 Ford Explorer Spark Plugs

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16-Piece Kit Ignition Coil with Spark Plugs, 8 Cylinder, 4.6L/5.4L Engine, includes Spark Plugs
DriveWire
16-Piece Kit Ignition Coil with Spark Plugs, 8 Cylinder, 4.6L/5.4L Engine, includes Spark Plugs
Part Number: KIT-052523-32
Guaranteed to Fit
$82.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L With Curve Coil Boot
  • 2003 Ford Explorer Limited 8 Cyl 4.6L With Curve Coil Boot
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L With Curve Coil Boot
Product Details
Components : (8) Ignition Coil and (8) Spark PlugRecommended Use : OE ReplacementProduct Fit : Direct FitInterchange Part Number : FD503Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Kit
16-Piece Kit Ignition Coil, 8 Cyl., 4.6L/5.4L Engines, includes Spark Plugs
DriveWire
16-Piece Kit Ignition Coil, 8 Cyl., 4.6L/5.4L Engines, includes Spark Plugs
Part Number: KIT-052523-01
Guaranteed to Fit
$430.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
Product Details
Components : (8) Ignition Coil and (8) Spark PlugRecommended Use : OE ReplacementProduct Fit : Direct FitReplaces OE Number : 4517, 5011, 26326, 30721, 30728, 48688, 49170, 50006, 82423, 82425, 140032, 250006, 368013, 420001, 521761, 601000, 1400328, 6736000, 9212005, 88921369, 89057153, 92120058, 92192005, 92840588, 0221504704, 250534733, 921200510, 928405710, 140032B, 140032B8, 140032K, 140032K8, 1L2U12029AA, 1L2Z12029AA, 1L2Z12029AC, 26C1001, 2IGC0119, 346S, 3W7Z12029AA, 5C1127, 5C1412, 7B3, 8W7Z12029A, C1139, C1417, C14178, C1417DLGKIT, C1417SPEC, C1417VC, C500, C500M8, C566, CFD503, DG508, E262, EBC1342, F523Interchange Part Number : FD503, 4517, 5011, 26326, 30721, 30728, 48688, 49170, 50006, 82423, 82425, 140032, 250006, 368013, 420001, 521761, 601000, 1400328, 6736000, 9212005, 88921369, 89057153, 92120058, 92192005, 92840588, 0221504704, 250534733, 921200510, 928405710, 140032B, 140032B8, 140032K, 140032K8, 1L2U12029AA, 1L2Z12029AA, 1L2Z12029AC, 26C1001, 2IGC0119, 346S, 3W7Z12029AA, 5C1127, 5C1412, 7B3, 8W7Z12029A, C1139, C1417, C14178, C1417DLGKIT, C1417SPEC, C1417VC, C500, C500M8, C566, CFD503, DG508, E262, EBC1342Warranty : 1-year DriveWire unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Kit
Platinum Series Spark Plug, Sold individually
Bosch®
Platinum Series Spark Plug, Sold individually
Part Number: BS6747
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Notes : (1) Ground Electrode; 16 mm Hex Size; 6000 Ohms Resistance; 4-Cycle Spark Plug Type; Nickel-Yttrium Ground Electrode Tip; Standard Ground Configuration; Standard Ground Electrode Tip; Non-Projected Ceramic Insulator; Tapered Seat Type; With ResistorSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch limited warrantyPromotions : European Vehicle PartsElectrode Core Material : Nickel-Yttrium, Copper, and Platinum Electrode CoreReach : 17.5 mm ReachGap Size : 1.3 mmRecommended Use : OE ReplacementProduct Fit : Direct FitHeat Range : 7Thread Size : 14 mm
OE/Specialty Spark Plug Series Spark Plug, Sold individually
Bosch®
OE/Specialty Spark Plug Series Spark Plug, Sold individually
Part Number: BS7971
Guaranteed to Fit
$2.49
Vehicle Fitment
  • 2003 Ford Explorer Postal 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
  • 2003 Ford Explorer XLT 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
  • 2003 Ford Explorer Limited 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
  • 2003 Ford Explorer XLS 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
Product Details
Notes : 5/8 in. hex size; Projected tip; Removable nut terminal type; Tapered seat styleSeries : OE/Specialty Spark Plug SeriesSpark Plug Code : HR8DCX+Electrode Tip Material : Nickel-yttrium Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsElectrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 1.1 mmHeat Range : 8Thread Size : 14 mm thread size
Platinum Series Spark Plug, Sold individually
Autolite®
Platinum Series Spark Plug, Sold individually
Part Number: ALTAP104
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.68 in. ReachGap Size : 0.05 in.Thread Size : 14 mm
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP104
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.68 in. ReachGap Size : 0.05 in.Thread Size : 14 mm
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP103
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 0.68 in. ReachGap Size : 0.05 in.Thread Size : 14 mm
Professional Conventional Series Spark Plug, Sold individually
AC Delco®
Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR42LTS
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 6 Cyl 4.0L FI, SOHC, 12 Valve
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L FI, SOHC, FLEX, 12 Valve
  • 2003 Ford Explorer Limited 6 Cyl 4.0L FI, SOHC, FLEX, 12 Valve
  • 2003 Ford Explorer Postal 6 Cyl 4.0L FI, SOHC, FLEX, 12 Valve
  • 2003 Ford Explorer XLS 6 Cyl 4.0L FI, SOHC, 12 Valve
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 0.032 in.Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Set of 6
AC Delco®
Professional Conventional Series Spark Plug, Set of 6
Part Number: SET-ACR42LTS-6
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 2003 Ford Explorer Postal 6 Cyl 4.0L FI, SOHC, 12 Valve
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L FI, SOHC, 12 Valve
  • 2003 Ford Explorer Limited 6 Cyl 4.0L FI, SOHC, 12 Valve
  • 2003 Ford Explorer XLS 6 Cyl 4.0L FI, SOHC, 12 Valve
  • 2003 Ford Explorer XLT 6 Cyl 4.0L FI, SOHC, 12 Valve
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 0.032 in.Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Sold individually
Denso®
Platinum TT Series Spark Plug, Sold individually
Part Number: NP4511
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Tapered seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSeries : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Set of 6
Denso®
Platinum TT Series Spark Plug, Set of 6
Part Number: SET-NP4511-6
Guaranteed to Fit
$33.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Set of 8
Denso®
Platinum TT Series Spark Plug, Set of 8
Part Number: SET-NP4511-8
Guaranteed to Fit
$40.99
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 8Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Set of 10
Denso®
Platinum TT Series Spark Plug, Set of 10
Part Number: SET-NP4511-10
Guaranteed to Fit
$47.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 10Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Copper Electrode CoreReach : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Iridium TT Series Spark Plug, Sold individually
Denso®
Iridium TT Series Spark Plug, Sold individually
Part Number: NP4713
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 8 Cyl 4.6L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 8 Cyl 4.6L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 8 Cyl 4.6L
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Tapered Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationSeries : Iridium TT SeriesElectrode Tip Material : Iridium-Rhodium Alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile Denso limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Nickel Copper Alloy Electrode CoreReach : 0.71 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementHeat Range : 16Thread Size : 0.55 in.
Iridium TT Series Spark Plug, Set of 6
Denso®
Iridium TT Series Spark Plug, Set of 6
Part Number: SET-NP4713-6
Guaranteed to Fit
$51.49
Vehicle Fitment
  • 2003 Ford Explorer XLT 6 Cyl 4.0L
  • 2003 Ford Explorer Eddie Bauer 6 Cyl 4.0L
  • 2003 Ford Explorer Limited 6 Cyl 4.0L
  • 2003 Ford Explorer Postal 6 Cyl 4.0L
  • 2003 Ford Explorer XLS 6 Cyl 4.0L
Product Details
Series : Iridium TT SeriesElectrode Tip Material : Iridium-Rhodium Alloy Electrode TipQuantity Sold : Set of 6Warranty : 1-year or 12,000-mile Denso limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material : Nickel Copper Alloy Electrode CoreReach : 0.71 in. ReachGap Size : 0.04 in.Heat Range : 16Recommended Use : OE ReplacementThread Size : 0.55 in.
Page 1 of 5 | Showing 1 - 15 of 64 results

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Product Questions & Answers

Denso Iridium TT Series Spark Plug, Set of 6
$51.49
Q:what are these spark plugs pre gap to the?
Reginald H.
A:BEST ANSWERHi Reginald, I'm glad to assist you. All of our direct-fit spark plugs are pre-gapped already. Still, for us to check carefully and be accurate on the part you need, please provide the complete details of your vehicle (year, make, model, submodel, and engine size). The VIN would be helpful. Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

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P0354 Code: Ignition Coil “D” Primary/Secondary Circuit
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitIn an engine with a COP ignition system, each cylinder comes with its own ignition coil that sits on top of the spark plug. The computer monitors the circuit between it and every ignition coil for faults. It will file a trouble code depending on the cylinder that experienced a
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)The PCM may disable the misfiring cylinder or cylinders in order to prevent further damage to the engine. Code P0316 is often listed in addition to one or more of the P0300 series codes that are associated with the misfiring cylinder/s.