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2021 Naturally Aspirated Spark Plug Question

Old Jun 11, 2025 | 06:38 PM
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Default 2021 Naturally Aspirated Spark Plug Question

Hi all,

I'm gonna be visiting the girlfriend for 4th of july. I'm gonna do the spark plugs on her Naturally Aspirated 2021 CX-5 since it's getting close to being due. I will be getting NGK brand plugs since they're working great on my personal CX-5 that I recently also did the plugs on myself. Are the NGK plugs with the model number (#94124) the OEM equivalent? I wanna get the best ones possible that are the OEM equivalent, and these are the ones that I'm seeing are a match. Please let me know your thoughts!
 
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Old Jun 12, 2025 | 12:20 PM
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Originally Posted by Alexmed2002
Hi all,

I'm gonna be visiting the girlfriend for 4th of july. I'm gonna do the spark plugs on her Naturally Aspirated 2021 CX-5 since it's getting close to being due. I will be getting NGK brand plugs since they're working great on my personal CX-5 that I recently also did the plugs on myself. Are the NGK plugs with the model number (#94124) the OEM equivalent? I wanna get the best ones possible that are the OEM equivalent, and these are the ones that I'm seeing are a match. Please let me know your thoughts!
Yes, if you have the 2.5L you can get them from the reputable dealer (sold by) Kesslo on Amazon for $43.57 4pk
 
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Old Jun 14, 2025 | 12:59 PM
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Originally Posted by Cupins
Yes, if you have the 2.5L you can get them from the reputable dealer (sold by) Kesslo on Amazon for $43.57 4pk
I've seen a lot of people have issues with Amazon, but I think I'll probably go with Rock Auto since it'll be like $48 altogether shipped.
 
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Old Jun 14, 2025 | 01:22 PM
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Originally Posted by Alexmed2002
Hi all,

I'm gonna be visiting the girlfriend for 4th of july. I'm gonna do the spark plugs on her Naturally Aspirated 2021 CX-5 since it's getting close to being due. I will be getting NGK brand plugs since they're working great on my personal CX-5 that I recently also did the plugs on myself. Are the NGK plugs with the model number (#94124) the OEM equivalent? I wanna get the best ones possible that are the OEM equivalent, and these are the ones that I'm seeing are a match. Please let me know your thoughts!
Go to NGK website and FIRST get the part number from them for your Mazda and then shop. Make sure you find an "AUTHORIZED DEALER" from NGK to purchase them from otherwise you could end up with a cloned (the quality in the material is not the same use by NGK and many times comparing a genuine NGK can easily be spotted.) copied product.
NGK is not the only top brand spark plug that this happens to.

So as they say BUYER BEAWARE

Hint : you don't need the most expensive type for your Dailey driver and except for copper tops the least cost NGK plug will be technically from standpoint noncompetitive use last close to the most expensive model NGK offers. Naturally your exact engines health has an effect on the longevity and performance levels of all ignition parts. Don't be fooled by DIY that never used an oscilloscope to determine the spark plugs health or other ignition parts .
 

Last edited by Callisto; Jun 14, 2025 at 01:27 PM.
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