NGK
NGK Single Iridium Spark Plug (ZNAR6AIX-11) 372
NGK Single Iridium Spark Plug (ZNAR6AIX-11) 372
Part number: 9WJLH
Regular price
$11.33 USD
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$11.33 USD
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- Free fitment check before you order
Single Iridium Spark Plug 372 by NGK. Check the part number and details below against what you are replacing. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Quick facts
- Brand: NGK
- Part type: Ignition part
Listed fitment
- 2008 Ford Expedition Eddie Bauer Max, Funkmaster Flex Edition
- 2008 - 2014 Ford Expedition Limited, Max Limited, EL Limited, XLT, EL King Ranch, King Ranch, EL XLT
- 2008 - 2010 Ford Expedition Max Eddie Bauer, Eddie Bauer, EL Eddie Bauer
- 2009 - 2011 Ford Expedition Max King Ranch
- 2011 - 2014 Ford Expedition XL, Max XL, EL XL
- 2008 - 2010 Ford Explorer Eddie Bauer, XLT, Limited
- 2010 Ford Explorer XLT Base
- 2008 - 2010 Ford Explorer Sport Trac XLT, Limited, Base
- 2008 - 2009 Ford F-150 Flotillera
- 2008 - 2010 Ford F-150 King Ranch, Harley-Davidson Edition, XL, XLT, STX, Lariat, FX2, FX4
- 2009 - 2010 Ford F-150 Platinum
- 2010 Ford F-150 SVT Raptor
- 2008 Ford F-150 XTR, Limited, THE 60TH ANNIVERSARY EDITION
- 2009 - 2010 Ford F-250 Super Duty Cabela's
- 2008 - 2010 Ford F-250 Super Duty XL, Harley-Davidson Edition, XLT, FX4, Lariat, King Ranch
- 2009 - 2010 Ford F-350 Super Duty Cabela's
- 2008 - 2009 Ford F-350 Super Duty FX4
- 2008 - 2010 Ford F-350 Super Duty Lariat, King Ranch, Harley-Davidson Edition, XLT, XL
- 2009 - 2019 Ford F-450 Super Duty Base
- 2009 - 2010 Ford F-450 Super Duty Harley-Davidson Edition
- 2008 - 2016 Ford F-450 Super Duty Lariat, King Ranch, XL, XLT
- 2013 - 2016 Ford F-450 Super Duty Platinum
- 2012 - 2019 Ford F-550 Super Duty Base
- 2008 - 2016 Ford F-550 Super Duty Lariat, XL, XLT
- 2008 - 2019 Ford F53 Base
- 2011 - 2019 Ford F59 Base
- 2012 - 2013 Ford F650 XLT, XL
- 2008 - 2009 Ford Mustang Bullitt, GT Equipado, Shelby GT500KR, Lujo
- 2008 Ford Mustang GT Base, Shelby GT
- 2008 - 2010 Ford Mustang GT, Base, Shelby, Shelby GT500
- 2008 Lincoln Mark LT Base
- 2013 - 2014 Lincoln Navigator L Executive, Limited
- 2008 - 2014 Lincoln Navigator L, Ultimate, Base, L Ultimate
- 2008 - 2010 Mercury Mountaineer Premier, Base
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.
About this ignition part
Ignition parts are routine maintenance and among the easiest ways to restore smooth running.
Fitment notes
- Specs, lead time and warranty come from NGK and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
- Plug wires or boots. Old wires and boots crack.
More for your car: Spark Plugs · All Spark Plugs · Batteries & electrical
Questions about ignition part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From NGK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
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