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Spark Plug (Pre-Gap 0.040) (Iridium IX)

PART#: 7401
NGK
Top Deal
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Spark Plug (Pre-Gap 0.040) (Iridium IX)
Spark Plug (Pre-Gap 0.040) (Iridium IX)
Spark Plug (Pre-Gap 0.040) (Iridium IX)
Spark Plug (Pre-Gap 0.040) (Iridium IX)
Spark Plug (Pre-Gap 0.040) (Iridium IX)
Spark Plug (Pre-Gap 0.040) (Iridium IX)

$5.99

Select vehicle to confirm fitment

In stock

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Interchanges
BrandPart #
NGKUR4IX
NGK7401
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1996FordE-350 EconolineXL7.5V8GASGap 0.044"
1996FordE-350 EconolineBase7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonXL HD7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonChateau HD7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonChateau7.5V8GASGap 0.044"
1996FordE-350 Econoline Club WagonXLT HD7.5V8GASGap 0.044"
1996FordF-250XL7.5V8GASGap 0.044"
1996FordF-250Special7.5V8GASGap 0.044"
1996FordF-250XLT7.5V8GASGap 0.044"
1996FordF-250Eddie Bauer7.5V8GASGap 0.044"
1996FordF-350XLT7.5V8GASGap 0.044"
1996FordF-350Special7.5V8GASGap 0.044"
1996FordF-350XL7.5V8GASGap 0.044"
1995FordE-350 EconolineXL7.5V8GASGap 0.044"
1995FordE-350 EconolineBase7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonXL HD7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonXLT HD7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonChateau7.5V8GASGap 0.044"
1995FordE-350 Econoline Club WagonChateau HD7.5V8GASGap 0.044"
1995FordF-250Special7.5V8GASGap 0.044"
1995FordF-250XLT7.5V8GASGap 0.044"
1995FordF-250Eddie Bauer7.5V8GASGap 0.044"
1995FordF-250XL7.5V8GASGap 0.044"
1995FordF-350Special7.5V8GASGap 0.044"
1995FordF-350Eddie Bauer7.5V8GASGap 0.044"
1995FordF-350XL7.5V8GASGap 0.044"
1995FordF-350XLT7.5V8GASGap 0.044"
1994FordE-350 EconolineBase7.5V8GASGap 0.044"
1994FordE-350 EconolineXL7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonChateau HD7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonXLT HD7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonChateau7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonXL HD7.5V8GASGap 0.044"
1994FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1994FordF-250XLT7.5V8GASGap 0.044"
1994FordF-250XL7.5V8GASGap 0.044"
1994FordF-350XLT7.5V8GASGap 0.044"
1994FordF-350XL7.5V8GASGap 0.044"
1993CadillacFleetwoodBase5.7V8GASGap 0.035"
1993CadillacFleetwoodBrougham5.7V8GASGap 0.035"
1993CadillacCommercial ChassisBrougham5.7V8GASGap 0.035"
1993ChevroletCapriceClassic5.0V8GASGap 0.035"
1993ChevroletCapriceClassic LS5.0V8GASGap 0.035"
1993FordE-350 EconolineBase7.5V8GASGap 0.044"
1993FordE-350 EconolineXL7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonChateau7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonChateau HD7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonXLT HD7.5V8GASGap 0.044"
1993FordE-350 Econoline Club WagonCustom HD7.5V8GASGap 0.044"
1993FordF-250XLT7.5V8GASGap 0.044"
1993FordF-250XL7.5V8GASGap 0.044"
1993FordF-350XL7.5V8GASGap 0.044"
1993FordF-350XLT7.5V8GASGap 0.044"
1992CadillacBroughamd'Elegance5.0V8GASGap 0.045"
1992CadillacBroughamBase5.0V8GASGap 0.045"
1992ChevroletCamaroZ285.7V8GASCast Iron Heads; Gap 0.035"
1992ChevroletCamaroZ285.0V8GASGap 0.035"
1992ChevroletCamaroZ28 Heritage Edition5.0V8GASGap 0.035"
1992ChevroletCamaroRS5.0V8GASGap 0.035"
1992ChevroletCamaroRS Heritage Edition5.0V8GASGap 0.035"
1992ChevroletCamaroZ28 Heritage Edition5.7V8GASCast Iron Heads; Gap 0.035"
1992ChevroletCapriceClassic5.0V8GASGap 0.035"
1992ChevroletCapriceBase5.0V8GASGap 0.035"
1992ChevroletCapriceClassic LTZ5.0V8GASGap 0.035"
1992OldsmobileCustom CruiserBase5.0V8GASGap 0.035"
1992PontiacFirebirdTrans Am GTA5.0V8GASGap 0.035"
1992PontiacFirebirdTrans Am GTA5.7V8GASGap 0.035"
1992PontiacFirebirdFormula5.7V8GASGap 0.035"
1992PontiacFirebirdFormula5.0V8GASGap 0.035"
1992PontiacFirebirdTrans Am5.0V8GASGap 0.035"
1992PontiacFirebirdTrans Am5.7V8GASGap 0.035"
1992PontiacFirebirdBase5.0V8GASGap 0.035"
1992FordE-350 EconolineBase7.5V8GASGap 0.044"
1992FordE-350 EconolineXL7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonCustom HD7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonChateau7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonChateau HD7.5V8GASGap 0.044"
1992FordE-350 Econoline Club WagonXLT HD7.5V8GASGap 0.044"
1992FordF-250XL7.5V8GASGap 0.044"
1992FordF-250XLT Lariat7.5V8GASGap 0.044"
1992FordF-250Custom7.5V8GASGap 0.044"
1992FordF-350Custom7.5V8GASGap 0.044"
1992FordF-350XLT Lariat7.5V8GASGap 0.044"
1992FordF-350XL7.5V8GASGap 0.044"
1991BuickRoadmasterEstate Wagon5.0V8GASGap 0.045"
1991BuickCommercial ChassisBase5.0V8GASGap 0.045"
1991CadillacBroughamBase5.0V8GASGap 0.045"
1991CadillacBroughamd'Elegance5.0V8GASGap 0.045"
1991ChevroletCamaroRS5.0V8GASGap 0.035"
1991ChevroletCamaroZ285.0V8GASGap 0.035"
1991ChevroletCamaroZ285.7V8GASCast Iron Heads; Gap 0.035"
1991ChevroletCapriceClassic LTZ5.0V8GASGap 0.035"
1991ChevroletCapriceBase5.0V8GASGap 0.035"
1991ChevroletCapriceClassic5.0V8GASGap 0.035"
1991ChevroletCorvetteBase5.7V8GASCast Iron Heads; Gap 0.045" | Engine VIN: 8;
1991OldsmobileCustom CruiserBase5.0V8GASGap 0.035"
1991PontiacFirebirdBase5.0V8GASGap 0.035"
1991PontiacFirebirdFormula5.7V8GASGap 0.035"
1991PontiacFirebirdTrans Am GTA5.0V8GASGap 0.035"
1991PontiacFirebirdTrans Am5.7V8GASGap 0.035"
1991PontiacFirebirdTrans Am5.0V8GASGap 0.035"
1991PontiacFirebirdFormula5.0V8GASGap 0.035"
1991PontiacFirebirdTrans Am GTA5.7V8GASGap 0.035"
1991FordE-250 Econoline Club WagonXLT7.5V8GASGap 0.044"
1991FordE-250 Econoline Club WagonXL7.5V8GASGap 0.044"
1991FordE-250 Econoline Club WagonCustom7.5V8GASGap 0.044"
1991FordE-350 EconolineXL7.5V8GASGap 0.044"
1991FordE-350 EconolineCustom7.5V8GASGap 0.044"
1991FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1991FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1991FordE-350 Econoline Club WagonXL7.5V8GASGap 0.044"
1991FordF-250XLT Lariat7.5V8GASGap 0.044"
1991FordF-250Custom7.5V8GASGap 0.044"
1991FordF-250XL7.5V8GASGap 0.044"
1991FordF-350Custom7.5V8GASGap 0.044"
1991FordF-350XL7.5V8GASGap 0.044"
1991FordF-350XLT Lariat7.5V8GASGap 0.044"
1991FordLTD Crown VictoriaBase5.8V8GASGap 0.044"
1990ChevroletCamaroRS5.0V8GASGap 0.035"
1990ChevroletCamaroIroc-Z5.7V8GASCast Iron Heads; Gap 0.035"
1990ChevroletCamaroIroc-Z5.0V8GASGap 0.035"
1990ChevroletCapriceClassic5.0V8GASGap 0.035" | Fuel Injection;
1990ChevroletCapriceClassic4.3V6GASGap 0.035"
1990ChevroletCapriceClassic LS Brougham5.0V8GASGap 0.035" | Fuel Injection;
1990ChevroletCapriceBase5.0V8GASGap 0.035" | Fuel Injection;
1990ChevroletCapriceBase4.3V6GASGap 0.035"
1990ChevroletCapriceClassic Brougham5.0V8GASGap 0.035" | Fuel Injection;
1990ChevroletCorvetteBase5.7V8GASCast Iron Heads; Gap 0.045" | Engine VIN: 8;
1990PontiacFirebirdBase5.0V8GASGap 0.035"
1990PontiacFirebirdTrans Am GTA5.7V8GASGap 0.035"
1990PontiacFirebirdTrans Am5.0V8GASGap 0.035"
1990PontiacFirebirdFormula5.7V8GASGap 0.035"
1990PontiacFirebirdFormula5.0V8GASGap 0.035"
1990PontiacFirebirdTrans Am5.7V8GASGap 0.035"
1990PontiacFirebirdTrans Am GTA5.0V8GASGap 0.035"
1990FordE-250 Econoline Club WagonXLT7.5V8GASGap 0.044"
1990FordE-250 Econoline Club WagonCustom7.5V8GASGap 0.044"
1990FordE-250 Econoline Club WagonXL7.5V8GASGap 0.044"
1990FordE-350 EconolineCustom7.5V8GASGap 0.044"
1990FordE-350 EconolineXL7.5V8GASGap 0.044"
1990FordE-350 Econoline Club WagonXL7.5V8GASGap 0.044"
1990FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1990FordF-250XL7.5V8GASGap 0.044"
1990FordF-250XLT Lariat7.5V8GASGap 0.044"
1990FordF-250Custom7.5V8GASGap 0.044"
1990FordF-350Custom7.5V8GASGap 0.044"
1990FordF-350XL7.5V8GASGap 0.044"
1990FordF-350XLT Lariat7.5V8GASGap 0.044"
1990FordLTD Crown VictoriaBase5.8V8GASGap 0.044"
1989ChevroletCamaroIroc-Z5.0V8GASGap 0.035"
1989ChevroletCamaroIroc-Z5.7V8GASCast Iron Heads; Gap 0.035"
1989ChevroletCamaroRS5.0V8GASGap 0.035"
1989ChevroletCapriceClassic Brougham5.0V8GASGap 0.035" | Fuel Injection;
1989ChevroletCapriceBase4.3V6GASGap 0.035"
1989ChevroletCapriceClassic4.3V6GASGap 0.035"
1989ChevroletCapriceClassic LS Brougham5.0V8GASGap 0.035" | Fuel Injection;
1989ChevroletCapriceBase5.0V8GASGap 0.035" | Fuel Injection;
1989ChevroletCapriceClassic5.0V8GASGap 0.035" | Fuel Injection;
1989ChevroletCorvetteBase5.7V8GASCast Iron Heads; Gap 0.045"
1989PontiacFirebirdTrans Am5.0V8GASGap 0.035"
1989PontiacFirebirdTrans Am GTA5.7V8GASGap 0.035"
1989PontiacFirebirdFormula5.7V8GASGap 0.035"
1989PontiacFirebirdTrans Am GTA5.0V8GASGap 0.035"
1989PontiacFirebirdFormula5.0V8GASGap 0.035"
1989PontiacFirebirdTrans Am5.7V8GASGap 0.035"
1989PontiacFirebirdBase5.0V8GASGap 0.035"
1989FordE-250 Econoline Club WagonXL7.5V8GASGap 0.044"
1989FordE-250 Econoline Club WagonXLT7.5V8GASGap 0.044"
1989FordE-250 Econoline Club WagonCustom7.5V8GASGap 0.044"
1989FordE-350 EconolineXL7.5V8GASGap 0.044"
1989FordE-350 EconolineCustom7.5V8GASGap 0.044"
1989FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1989FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1989FordE-350 Econoline Club WagonXL7.5V8GASGap 0.044"
1989FordF-250Custom7.5V8GASGap 0.044"
1989FordF-250XLT Lariat7.5V8GASGap 0.044"
1989FordF-250XL7.5V8GASGap 0.044"
1989FordF-350XLT Lariat7.5V8GASGap 0.044"
1989FordF-350Custom7.5V8GASGap 0.044"
1989FordF-350XL7.5V8GASGap 0.044"
1989FordLTD Crown VictoriaBase5.8V8GASGap 0.044"
1988ChevroletCamaroIroc-Z5.0V8GASGap 0.035"
1988ChevroletCamaroIroc-Z5.7V8GASCast Iron Heads; Gap 0.035"
1988ChevroletCamaroBase5.0V8GASGap 0.035"
1988ChevroletCapriceBase5.7V8GASGap 0.035"
1988ChevroletCapriceClassic4.3V6GASGap 0.035"
1988ChevroletCapriceClassic Brougham5.0V8GASGap 0.035" | Engine VIN: H;
1988ChevroletCapriceBase4.3V6GASGap 0.035"
1988ChevroletCapriceClassic Brougham4.3V6GASGap 0.035"
1988ChevroletCapriceClassic LS Brougham4.3V6GASGap 0.035"
1988ChevroletCapriceBase5.0V8GASGap 0.035" | Engine VIN: H;
1988ChevroletCapriceClassic5.0V8GASGap 0.035" | Engine VIN: H;
1988ChevroletCapriceClassic LS Brougham5.0V8GASGap 0.035" | Engine VIN: H;
1988ChevroletCorvette35th Anniversary Edition5.7V8GASCast Iron Heads; Gap 0.045"
1988ChevroletCorvetteBase5.7V8GASCast Iron Heads; Gap 0.045"
1988ChevroletMonte CarloLS4.3V6GASGap 0.035"
1988ChevroletMonte CarloLS5.0V8GASGap 0.035"
1988ChevroletMonte CarloBase5.0V8GASGap 0.035"
1988ChevroletMonte CarloSS5.0V8GASGap 0.035"
1988ChevroletMonte CarloBase4.3V6GASGap 0.035"
1988PontiacFirebirdBase5.7V8GASGap 0.035"
1988PontiacFirebirdTrans Am5.0V8GASGap 0.035"
1988PontiacFirebirdBase5.0V8GASGap 0.035"
1988PontiacFirebirdTrans Am5.7V8GASGap 0.035"
1988FordBroncoEddie Bauer5.0V8GASGap 0.044"
1988FordBroncoXLT5.0V8GASGap 0.044"
1988FordBroncoCustom5.0V8GASGap 0.044"
1988FordE-150 EconolineXL5.0V8GASGap 0.044"
1988FordE-150 EconolineCustom5.0V8GASGap 0.044"
1988FordE-250 EconolineXL5.0V8GASGap 0.044"
1988FordE-250 EconolineCustom5.0V8GASGap 0.044"
1988FordE-250 Econoline Club WagonXL7.5V8GASGap 0.044"
1988FordE-250 Econoline Club WagonCustom7.5V8GASGap 0.044"
1988FordE-250 Econoline Club WagonXLT7.5V8GASGap 0.044"
1988FordE-350 EconolineXL7.5V8GASGap 0.044"
1988FordE-350 EconolineCustom7.5V8GASGap 0.044"
1988FordE-350 Econoline Club WagonXL7.5V8GASGap 0.044"
1988FordE-350 Econoline Club WagonXLT7.5V8GASGap 0.044"
1988FordE-350 Econoline Club WagonCustom7.5V8GASGap 0.044"
1988FordF-150XLT Lariat5.0V8GASGap 0.044"
1988FordF-150Custom5.0V8GASGap 0.044"
1988FordF-150XL5.0V8GASGap 0.044"
1988FordF-250XL5.0V8GASGap 0.044"
1988FordF-250XL7.5V8GASGap 0.044"
1988FordF-250Custom7.5V8GASGap 0.044"
1988FordF-250XLT Lariat7.5V8GASGap 0.044"
1988FordF-250Custom5.0V8GASGap 0.044"
1988FordF-250XLT Lariat5.0V8GASGap 0.044"
1988FordF-350Custom7.5V8GASGap 0.044"
1988FordF-350XLT Lariat7.5V8GASGap 0.044"
1988FordF-350XL7.5V8GASGap 0.044"
1988FordLTD Crown VictoriaBase5.8V8GASGap 0.044"
1987DodgeB150Base3.7L6GASGap 0.035"
1987DodgeB250Base3.7L6GASGap 0.035"
1987DodgeD100Custom3.7L6GASGap 0.035"
1987DodgeD150Base3.7L6GASGap 0.035"
1987DodgeD250Base3.7L6GASGap 0.035"
1987DodgeW100Custom3.7L6GASGap 0.035"
1987DodgeW150Base3.7L6GASGap 0.035"
1987BuickRegalGrand National3.8V6GASGap 0.035" | Turbocharged;
1987BuickRegalLimited3.8V6GASGap 0.035" | Turbocharged;
Product info

The NGK spark plug is designed to deliver reliable and consistent ignition that allows your engine to reach its peak performance in all conditions of use. With NGK, you’re getting improved spark plug lifespan, better combustion, optimized fuel economy, as well as fewer emissions.

The 7401 spark plug is specifically built to meet the needs of Buick, Cadillac, Checker, Chevrolet, Chrysler, Dodge, Ford, GMC, Lincoln, Mercury, Oldsmobile, Plymouth, Pontiac vehicles, ensuring optimal fit and performance characteristics that perfectly match your engine’s requirements.

Using quality replacement spark plugs is a good way to keep your engine running smoothly. NGK offers that, and much more! Over the years, they’ve become one of the leading authorities in the world of ignition systems with a strong track record of innovation. As a result, many carmakers from all around the world have chosen this brand as OEM for their engines. Give your car the NGK makeover it needs, and enjoy years of care-free driving!

About NGK

NGK is a company with over 80 years of experience in the automotive industry. The production of the first NGK spark plugs began in 1937.

However, it was the manufacturing of copper-cored wide range spark plugs in 1958 that helped the company become a leading brand in the automotive industry. The company headquarters is located in Nagoya, Japan.

With the success of NGK products like spark plugs, glow plugs, and oxygen sensors, the company gained a strong global presence.

NGK currently has 35 production plants worldwide and employs more than 10,400 people.

The company currently has facilities in countries such as South Africa, South Korea, Japan, Australia, China, India, France, United States, and United Kingdom.

In the beginning, the company supplied a majority of its products to Japanese automakers. Today, drivers across the globe use NGK spark plugs, which are compatible with a variety of vehicle makes.

In fact, almost every petrol engine available on the market can use NGK spark plugs.

The company produces more than a thousand different types of spark plugs, which makes it easy to find the right fit for your engine.

There are three different NGK innovation labs where engineers search for new ways to improve existing products and make new ones.

Thanks to the efforts of these labs, NGK was able to venture into the medical industry.

Despite being one of the largest manufacturers of spark plugs on the planet, NGK is always thinking about the next.

A few years ago, the company announced plans to gradually shift its focus towards solid-state batteries because electric vehicles may make spark plugs obsolete.

Specifications
Center Electrode Core MaterialCopper Core
Center Electrode Tip MaterialIridium
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel Core
Ground Electrode Quantity1
Ground Electrode Tip DesignTaper Cut
Hex Size5/8"
Insulator Height55.00
Manufacturer Heat Range4
Pre-Gap Size0.040
Reach0.46
Resistance5000
Seat TypeTapered
Thread Diameter0.551
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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