{
    "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
}
2018 Ford Flex
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2018 Ford Flex

2018 Ford Flex Spark Plugs

Refine by:

Shop Catalog

Showing 1 - 15 of 16 results
Display item:
15
30
45
Sort by:
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-988
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 7-year or unlimited mile 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 CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Set of 6
AC Delco®
Professional Platinum Series Spark Plug, Set of 6
Part Number: SET-AC41-988-6
Guaranteed to Fit
$51.99
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 7-year or unlimited mile 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 CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-814
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 7-year or unlimited mile 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 CoreGap Size : OE Replacement
Professional Platinum Series Spark Plug, Set of 6
AC Delco®
Professional Platinum Series Spark Plug, Set of 6
Part Number: SET-AC41-814-6
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 7-year or unlimited mile 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 CoreGap Size : OE Replacement
RapidFire Performance Platinum Series Spark Plug, Sold individually
AC Delco®
RapidFire Performance Platinum Series Spark Plug, Sold individually
Part Number: AC17
Guaranteed to Fit
$12.99
Vehicle Fitment
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Notes : Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 17Electrode Tip Material : Platinum Electrode TipQuantity 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 CoreGap Size : OE Replacement
RapidFire Performance Platinum Series Spark Plug, Set of 6
AC Delco®
RapidFire Performance Platinum Series Spark Plug, Set of 6
Part Number: SET-AC17-6
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap .051
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap .051
Product Details
Series : RapidFire Performance Platinum SeriesSpark Plug Code : 17Electrode 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 CoreGap Size : OE Replacement
Double Iridium Series Spark Plug, Sold individually
Bosch®
Double Iridium Series Spark Plug, Sold individually
Part Number: BS9697
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; Tapered Seat Type; Solid Terminal Type; 0.6 mm Center Electrode Size; Fine Wire Type; Projected; (1) Standard; With ResistorSeries : Double Iridium SeriesElectrode 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 : European Vehicle PartsElectrode Core Material : Iridium Electrode CoreReach : 25 mm ReachGap Size : 0.8 mmHeat Range : 7Thread Size : 14 mm
Platinum Series Spark Plug, Sold individually
Bosch®
Platinum Series Spark Plug, Sold individually
Part Number: BS6750
Guaranteed to Fit
$5.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
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; Projected Ceramic Insulator; Tapered Seat Type; With ResistorSeries : Platinum SeriesElectrode Tip Material : Platinum 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 : Nickel-Yttrium, Copper, and Platinum Electrode CoreReach : 25 mm ReachGap Size : 1 mmRecommended Use : OE ReplacementProduct Fit : Direct FitHeat Range : 7Thread Size : 14 mm
Ruthenium HX Series Spark Plug, Sold individually
NGK®
Ruthenium HX Series Spark Plug, Sold individually
Part Number: NG91276
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2018 Ford Flex SEL 6 Cyl 3.5L
  • 2018 Ford Flex Limited 6 Cyl 3.5L
  • 2018 Ford Flex SE 6 Cyl 3.5L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; 0.6 mm Projected Fine Wire Ruthenium Center Electrode; 5000 Ohms Resistance; (1) Fine Wire Platinum Ground Electrode; Tapered Seat Type; Solid Terminal TypeSeries : Ruthenium HX SeriesElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP519, 91276, 41107, 12681660, 0948278J00, CYFS12F1, 000018L3Y1Quantity Sold : Sold individuallyWarranty : 60-day NGK 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 : 25 mm ReachGap Size : 0.04 in.Interchange Part Number : SP519, 91276, 41107, 12681660, 0948278J00, CYFS12F1, 000018L3Y1Heat Range : 6Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Set of 6
NGK®
Ruthenium HX Series Spark Plug, Set of 6
Part Number: SET-NG91276-6
Guaranteed to Fit
$66.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Gap 0.052 in.
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Gap 0.052 in.
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Gap 0.052 in.
Product Details
Series : Ruthenium HX SeriesElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP519, 91276, 41107, 12681660, 0948278J00, CYFS12F1, 000018L3Y1Quantity Sold : Set of 6Warranty : 60-day NGK 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 : 25 mm ReachGap Size : 0.04 in.Interchange Part Number : SP519, 91276, 41107, 12681660, 0948278J00, CYFS12F1, 000018L3Y1Heat Range : 6Thread Size : 14 mm thread size
OE Replacement Series Spark Plug, Set of 6
Aceon®
OE Replacement Series Spark Plug, Set of 6
Part Number: ACB7810111906
Guaranteed to Fit
$61.20
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L
Product Details
Series : OE Replacement SeriesQuantity Sold : Set of 6Warranty : Aceon 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.

Spark Plug, Sold individually
Motorcraft®
Spark Plug, Sold individually
Part Number: MISP580
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Turbocharged
Product Details
Quantity Sold : Sold individuallyWarranty : 2-year or unlimited-mile Motorcraft 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.

Ruthenium HX Series Spark Plug, Sold individually
NGK®
Ruthenium HX Series Spark Plug, Sold individually
Part Number: NG90495
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; 0.6 mm Extended Projection Fine Wire Ruthenium Center Electrode; 5000 Ohms Resistance; (1) Projected Square Platinum Ground Electrode; Tapered Seat Type; Solid Terminal TypeSeries : Ruthenium HX SeriesElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP512A, 90495, 41125, 12647827, CYFS12F3, L3BD18110, AJ813092, LR025605Quantity Sold : Sold individuallyWarranty : 60-day NGK 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 : 25 mm ReachGap Size : 0.03 in.Interchange Part Number : SP512A, 90495, 41125, 12647827, CYFS12F3, L3BD18110, AJ813092, LR025605Heat Range : 6Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Set of 6
NGK®
Ruthenium HX Series Spark Plug, Set of 6
Part Number: SET-NG90495-6
Guaranteed to Fit
$66.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Turbocharged, Gap 0.032 in.
Product Details
Series : Ruthenium HX SeriesElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP512A, 90495, 41125, 12647827, CYFS12F3, L3BD18110, AJ813092, LR025605Quantity Sold : Set of 6Warranty : 60-day NGK 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 : 25 mm ReachGap Size : 0.03 in.Interchange Part Number : SP512A, 90495, 41125, 12647827, CYFS12F3, L3BD18110, AJ813092, LR025605Heat Range : 6Thread Size : 14 mm thread size
Platinum Series Spark Plug, Set of 6
Bosch®
Platinum Series Spark Plug, Set of 6
Part Number: SET-BS6750-6
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 2018 Ford Flex Limited 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
  • 2018 Ford Flex SE 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
  • 2018 Ford Flex SEL 6 Cyl 3.5L Naturally Aspirated, Do Not Gap, Gap is Preset; Original Equipment Is Platinum
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; Projected Ceramic Insulator; Tapered Seat Type; With ResistorComponents : (6) Spark PlugSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 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 : Nickel-Yttrium, Copper, and Platinum Electrode CoreReach : 25 mm ReachGap Size : 1 mmRecommended Use : OE ReplacementProduct Fit : Direct FitHeat Range : 7Thread Size : 14 mm
Page 1 of 2 | Showing 1 - 15 of 16 results

Top Rated Products

AC Delco RapidFire Performance Platinum Series Spark Plug, Sold individually
$12.99( Review)
Strongest and good quality
Ariel Rios R.
VERIFIED PURCHASER
AC Delco RapidFire Performance Platinum Series Spark Plug, Set of 6
$36.49( Review)
Performance not improved. Could be other factors
Leo I.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

NGK Ruthenium HX Series Spark Plug, Sold individually
$14.99
Q:Are these pre gapped?
Michael D.
A:BEST ANSWERHi Michael, I'm glad to assist you. Yes. This is pre-gapped. I hope this helps, and if you're interested in this spark plug, you can click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. Happy shopping. https://www.carparts.com/spark-plug/ngk/ng90495?can=CPAE1047_CSQA_20221102 Show less
Arnel E.
 
2 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

A Short Course on Ignition Systems
A Short Course on Ignition SystemsLet’s see how this is done. The role of spark plugs is integral in the operation of the ignition systems as they ignite the air/fuel mixture—at exactly the right instant.
Why Won’t My Car Start?
Why Won’t My Car Start?Automotive professionals break down no-start situations into two separate categories: crank-no-start and no-crank-no-start.
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.