M45 NGK Spark Plug Source

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
MikeMiersma
Posts: 26
Joined: Sun May 17, 2009 2:24 pm
Car: 2003 M45

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After looking at the service manual for the Y34 M45, I've begun a search for the cheapest source for stock spark plugs (NGK PLFR5A-11; stock number 8240). After a couple of searches, I've found them as expensive as 20.33 per plug! The best I could find was 8.25 a plug from InfinitiPartsUSA.com. Has Anyone found a cheaper place to purchase these plugs?



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antzrus
Posts: 1824
Joined: Tue Feb 19, 2008 10:20 am
Car: '06 M35x Premium/Obsidian/Bourbon/
Rosewood/XM/Tint/
ClearBra/SteelSkidPlate/Genuine CoCo Mats/Michelin CrossClimate2/Nav Hack/M-1
Location: Wenatchee, Washington USA

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MikeMiersma
Posts: 26
Joined: Sun May 17, 2009 2:24 pm
Car: 2003 M45

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The 6.51 spark plug has a different part number (LFR5AGP) and stock number even though under "remarks", it claims it is the same plug. Also, I looked it up on NGK, and it says it's "G-power" rather than "Laser Platinum". Any idea of the difference? I also see that the third spark plug down is listed at 11.48 and appears to be the correct plug. Does anyone know the difference in these plugs?

Correction on the last post; its stock number 6240, not 8240.

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szh
Posts: 15932
Joined: Tue Jul 23, 2002 12:54 pm
Car: 2018 Tesla Model 3.

Unfortunately, no longer a Nissan or Infiniti, but continuing here at NICO!
Location: San Jose, CA

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MikeMiersma wrote:After looking at the service manual for the Y34 M45, I've begun a search for the cheapest source for stock spark plugs (NGK PLFR5A-11; stock number 8240). After a couple of searches, I've found them as expensive as 20.33 per plug! The best I could find was 8.25 a plug from InfinitiPartsUSA.com. Has Anyone found a cheaper place to purchase these plugs?
Hmmm ... 8.25 seems like a pretty good price price for these plugs. I don't think you will find them much lower anywhere else, but I could be wrong!

A quick search on Google showed other places with higher prices ...

Z

User avatar
szh
Posts: 15932
Joined: Tue Jul 23, 2002 12:54 pm
Car: 2018 Tesla Model 3.

Unfortunately, no longer a Nissan or Infiniti, but continuing here at NICO!
Location: San Jose, CA

Post

MikeMiersma wrote:The 6.51 spark plug has a different part number (LFR5AGP) and stock number even though under "remarks", it claims it is the same plug. Also, I looked it up on NGK, and it says it's "G-power" rather than "Laser Platinum". Any idea of the difference? I also see that the third spark plug down is listed at 11.48 and appears to be the correct plug. Does anyone know the difference in these plugs?

Correction on the last post; its stock number 6240, not 8240.
The $6.51 plug is not the right one. It is not the Platinum NGK ones intended for our cars, I believe.

The correct plug (see enlarged picture) price is $11.48 ...

Z


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