{
    "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
}
Select your vehicle

Mercury Monterey Spark Plugs

Refine by:

Shop Catalog

Showing 1 - 15 of 83 results
Display item:
15
30
45
Sort by:
AP5144 Spark Plug, Sold individually, Platinum Series
Part Number: ALTAP5144
Vehicle Info Required to Guarantee Fit
$3.49
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Extra-Long 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 : 0.81 in. ReachSeries : Platinum SeriesGap Size : 0.05 in.Thread Size : 14 mm
4509 Spark Plug, Sold individually, Platinum TT Series
Part Number: NP4509
Vehicle Info Required to Guarantee Fit
$10.99
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Gasket seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSpark Plug Code : PTF16TTElectrode 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 : 11.6 mm ReachGap Size : 1 mmSeries : Platinum TT SeriesHeat Range : 16Thread Size : 14 mm thread size
AP605 Spark Plug, Sold individually, Platinum Series
Part Number: ALTAP605
Vehicle Info Required to Guarantee Fit
$3.49
Product Details
Notes : 4000 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 : 0.06 in.Thread Size : 14 mm
XP5144 Spark Plug, Sold individually, Iridium XP Series
Part Number: ALTXP5144
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; Extra-Long 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 : 0.81 in. ReachSeries : Iridium XP SeriesGap Size : 0.05 in.Thread Size : 14 mm
XP605 Spark Plug, Sold individually, Iridium XP Series
Part Number: ALTXP605
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 : 0.06 in.Thread Size : 14 mm
CR43TS Spark Plug, Sold individually, Professional Conventional Series
Part Number: ACCR43TS
Vehicle Info Required to Guarantee Fit
$3.49
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSpark Plug Code : CR43TSElectrode 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 : 11.2 mm ReachSeries : Professional Conventional SeriesGap Size : 0.035 in.Thread Size : 14 mm thread size
SET-ACCR43TS-8 Spark Plug, Set of 8, Professional Conventional Series
Part Number: SET-ACCR43TS-8
Vehicle Info Required to Guarantee Fit
$26.49
Product Details
Spark Plug Code : CR43TSElectrode 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 : 11.2 mm ReachSeries : Professional Conventional SeriesGap Size : 0.035 in.Thread Size : 14 mm thread size
R44LTS6 Spark Plug, Sold individually, Professional Conventional Series
Part Number: ACR44LTS6
Vehicle Info Required to Guarantee Fit
$9.49
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSpark Plug Code : R44LTS6Electrode 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 : 0.06 in.Thread Size : 14 mm thread size
SET-ACR44LTS6-6 Spark Plug, Set of 6, Professional Conventional Series
Part Number: SET-ACR44LTS6-6
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Spark Plug Code : R44LTS6Electrode 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 : 0.06 in.Thread Size : 14 mm thread size
14 Spark Plug, Sold individually, RapidFire Performance Platinum Series
Part Number: AC14
Vehicle Info Required to Guarantee Fit
$4.99
Product Details
Notes : 5/8 in. hex size; Tapered spark plug seat style; Nickel Alloy ground electrode core material; Single platinum electrode configurationSpark Plug Code : 14Electrode Tip Material : Platinum Electrode TipReplaces OE Number : 19308033Quantity Sold : Sold individuallyWarranty : 3 year, unlimited-mileage AC Delco 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 : 0.062 in.Series : RapidFire Performance Platinum SeriesThread Size : 14 mm thread size
SET-AC14-6 Spark Plug, Set of 6, RapidFire Performance Platinum Series
Part Number: SET-AC14-6
Vehicle Info Required to Guarantee Fit
$31.99
Product Details
Spark Plug Code : 14Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 3 year, unlimited-mileage AC Delco 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 : RapidFire Performance Platinum SeriesGap Size : 0.062 in.Thread Size : 14 mm thread size
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
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-NP4511-10 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
4713 Spark Plug, Sold individually, Iridium TT Series
Part Number: NP4713
Vehicle Info Required to Guarantee Fit
$14.99
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Tapered Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationElectrode 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 ReplacementSeries : Iridium TT SeriesHeat Range : 16Thread Size : 0.55 in.
Page 1 of 6 | Showing 1 - 15 of 83 results

Top Rated Products

My parts were just as described, fast shipping, excellent seller, will definitely be See More
Mary W.
VERIFIED PURCHASER
Good excellent wonderful
Jerry B.
VERIFIED PURCHASER

Product Questions & Answers

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 >

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.