{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
0
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Select your vehicle

Mercury Mountaineer Spark Plugs

Refine by:

Shop Catalog

Showing 1 - 15 of 111 results
Display item:
15
30
45
Sort by:
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
Vehicle Info Required to Guarantee Fit
$86.49
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
Vehicle Info Required to Guarantee Fit
$106.99
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
6747 Spark Plug, Sold individually, Platinum Series
Bosch®
6747 Spark Plug, Sold individually, Platinum Series
Part Number: BS6747
Vehicle Info Required to Guarantee Fit
$5.49
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 ResistorElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch limited warrantyPromotions : CarParts EuroElectrode Core Material : Nickel-Yttrium, Copper, and Platinum Electrode CoreReach : 17.5 mm ReachGap Size : 1.3 mmRecommended Use : OE ReplacementProduct Fit : Direct FitSeries : Platinum SeriesHeat Range : 7Thread Size : 14 mm
7971 Spark Plug, Sold individually, OE/Specialty Spark Plug Series
Bosch®
7971 Spark Plug, Sold individually, OE/Specialty Spark Plug Series
Part Number: BS7971
Vehicle Info Required to Guarantee Fit
$2.99
Product Details
Notes : 5/8 in. hex size; Projected tip; Removable nut terminal type; Tapered seat styleSpark 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 : CarParts EuroElectrode Core Material : Copper Electrode CoreReach : 17.55 mm ReachGap Size : 1.1 mmSeries : OE/Specialty Spark Plug SeriesHeat Range : 8Thread Size : 14 mm thread size
96322 Spark Plug, Sold individually, Double Iridium Series
Bosch®
96322 Spark Plug, Sold individually, Double Iridium Series
Part Number: BS96322
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : (1) Ground Electrode; 14 mm Hex Size; 6000 Ohms Resistance; 4-Cycle Spark Plug Type; Nickel-Yttrium and Iridium Ground Electrode Tip; Standard Ground Configuration; Standard Ground Electrode Tip; Projected Ceramic Insulator; Tapered Seat Type; With ResistorElectrode Tip Material : Iridium 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 : CarParts EuroElectrode Core Material : Nickel-Yttrium, Copper, and Iridium Electrode CoreReach : 26.5 mm ReachGap Size : 1 mmRecommended Use : OE ReplacementProduct Fit : Direct FitSeries : Double Iridium SeriesHeat Range : 7Thread Size : 12 mm
AP104 Spark Plug, Sold individually, Platinum Series
Autolite®
AP104 Spark Plug, Sold individually, Platinum Series
Part Number: ALTAP104
Vehicle Info Required to Guarantee Fit
$7.49
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 TypeElectrode 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. ReachSeries : Platinum SeriesGap Size : 0.05 in.Thread Size : 14 mm
XP104 Spark Plug, Sold individually, Iridium XP Series
Autolite®
XP104 Spark Plug, Sold individually, Iridium XP Series
Part Number: ALTXP104
Vehicle Info Required to Guarantee Fit
$13.49
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 TypeElectrode 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. ReachSeries : Iridium XP SeriesGap Size : 0.05 in.Thread Size : 14 mm
XP103 Spark Plug, Sold individually, Iridium XP Series
Autolite®
XP103 Spark Plug, Sold individually, Iridium XP Series
Part Number: ALTXP103
Vehicle Info Required to Guarantee Fit
$6.49
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 TypeElectrode 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. ReachSeries : Iridium XP SeriesGap Size : 0.05 in.Thread Size : 14 mm
R42LTS Spark Plug, Sold individually, Professional Conventional Series
AC Delco®
R42LTS Spark Plug, Sold individually, Professional Conventional Series
Part Number: ACR42LTS
Vehicle Info Required to Guarantee Fit
$2.99
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSpark 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 ReachSeries : Professional Conventional SeriesGap Size : 0.032 in.Thread Size : 14 mm thread size
SET-ACR42LTS-6 Spark Plug, Set of 6, Professional Conventional Series
AC Delco®
SET-ACR42LTS-6 Spark Plug, Set of 6, Professional Conventional Series
Part Number: SET-ACR42LTS-6
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Spark 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 ReachSeries : Professional Conventional SeriesGap Size : 0.032 in.Thread Size : 14 mm thread size
SET-ACR42LTS-8 Spark Plug, Set of 8, Professional Conventional Series
AC Delco®
SET-ACR42LTS-8 Spark Plug, Set of 8, Professional Conventional Series
Part Number: SET-ACR42LTS-8
Vehicle Info Required to Guarantee Fit
$26.99
Product Details
Spark Plug Code : R42LTSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 8Warranty : 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 ReachSeries : Professional Conventional SeriesGap Size : 0.032 in.Thread Size : 14 mm thread size
4511 Spark Plug, Sold individually, Platinum TT Series
Denso®
4511 Spark Plug, Sold individually, Platinum TT Series
Part Number: NP4511
Vehicle Info Required to Guarantee Fit
$13.49
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Tapered seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSpark 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 mmSeries : Platinum TT SeriesHeat Range : 16Thread Size : 14 mm thread size
SET-NP4511-6 Spark Plug, Set of 6, Platinum TT Series
Denso®
SET-NP4511-6 Spark Plug, Set of 6, Platinum TT Series
Part Number: SET-NP4511-6
Vehicle Info Required to Guarantee Fit
$33.99
Product Details
Spark 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 ReachSeries : Platinum TT SeriesGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
SET-NP4511-8 Spark Plug, Set of 8, Platinum TT Series
Denso®
SET-NP4511-8 Spark Plug, Set of 8, Platinum TT Series
Part Number: SET-NP4511-8
Vehicle Info Required to Guarantee Fit
$40.99
Product Details
Spark 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 ReachSeries : Platinum TT SeriesGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
SET-NP4511-10 Spark Plug, Set of 10, Platinum TT Series
Denso®
SET-NP4511-10 Spark Plug, Set of 10, Platinum TT Series
Part Number: SET-NP4511-10
Vehicle Info Required to Guarantee Fit
$47.49
Product Details
Spark 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 ReachSeries : Platinum TT SeriesGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Page 1 of 8 | Showing 1 - 15 of 111 results

Top Rated Products

DriveWire 16-Piece Kit Ignition Coil with Spark Plugs, 8 Cylinder, 4.6L/5.4L Engine, includes Spark Plugs
$86.49( Review)
Received parts earlier than expected & parts fit. TYVM! Will continue to do businesSee More
Robert D.
VERIFIED PURCHASER

Product Questions & Answers

Denso SET-NP4511-6 Spark Plug, Set of 6, Platinum TT Series
$33.99
Q:Do they come adjusted already?
Cristhian D.
A:BEST ANSWERHi Cristhian, thank you for reaching out. Yes, they do. These spark plugs are ready for installation. You can use this link to order the part and take advantage of our low price for this item: https://www.carparts.com/spark-plug/denso/set-np4511-6?can=CPAP3648_CSQA_20230731 I hope this helps. Enjoy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Denso SET-NP4511-8 Spark Plug, Set of 8, Platinum TT Series
$40.99
Q:Are these spark plugs calibrated?
Gerardo T.
A:BEST ANSWERHi Gerardo, thank you for reaching out. Yes, they are. You can click the link below to order the set while stocks last. Have a good one! https://www.carparts.com/spark-plug/denso/set-np4511-8?can=cpab2020_csqa_20230615 Show less
Andrew B.
 
3 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

Why Won’t My Car Start?
Why Won’t My Car Start?Unfortunately, the answer isn’t always straightforward. You might be surprised to find out how many issues can potentially prevent your car from starting. Common Reasons Why Your Car Might Not Start
P0354 Code: Ignition Coil “D” Primary/Secondary Circuit
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitThere are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems. Typically, code P0354 is set in a COP system. There are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems.
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)Diagnostic trouble code (DTC) stands for “Engine Misfire Detected on Startup (First 1000 Revolutions).” Basically, if one or more of the engine’s cylinders misfires during the engine’s first 1,000 revolutions, the PCM sets code P0316.