Ate these counterfeit??

These spark plugs probably ARE counterfeits (very good fakes). I purchased another set from a national autoparts retailer and NGK dealer to compare against. They are almost identical with the exception of two key differences: 1. One of the individual box panels of the Amazon spark plugs reads "Assembled in Thailand." The box of the legit ones from the brick-and-mortar store reads "Made in Japan." 2. The spark plugs from Amazon are embossed "NGK" on the metal collar right above the washer. The embossing on the ones from the brick-and-mortar store reads "Japan." Do yourself a favor and purchase quality spark plugs from a legitimate source. By doing so you'll have the assurance you are installing parts that will perform (100K miles for real NGK spark plugs) and won't damage your vehicle.

Are they already gap?

Yes, iridium plugs are gapped at the factory due to the high potential of scratching the tips when trying to gauge the gaps. If you do want to double check the gaps prior to installation, don't use the coin measuring tool, but one that won't put pressure on the iridium tips.

This is original Ngk ?

Mine appeared to be after watching several videos on counterfeits. Then just to be sure, I called NGK USA customer service and gave them the plug number and lot number. They confirmed the lot number was valid. (This was all last year.) The NGK person asked me where I had purchased them and i told him Amazon. He stated that there were currently (again this was 2020) significant counterfeit issues on ebay purchased NGK Iridium plugs minimal issues on Amazon. Safest bet IMHO is to buy them from an auto parts retailer.

(5787-4PK) ILZKR7B-11S Laser Iridium Spark Plug, Box of 4

ID del producto: 30527180

Detalles

Brand
NGK
Core Material
Iridium
Thread Size
14mm x 1.25mm
Top Material Type
Metal

⚡Laser welded Iridium tip for max spark

⛽Boosts fuel economy & lowers emissions

🛡️Triple gasket seal for zero gas leaks

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$U4934

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Descripción

⚡ Ignite your drive with NGK’s cutting-edge spark plugs — where precision meets power!

INNOVATIVE INSULATOR DESIGN - Longer nose and corrugated ribs prevent carbon buildup and flashover, maximizing reliability.
PERFORMANCE DRIVEN FUEL EFFICIENCY - Get faster starts and quicker acceleration while reducing fuel consumption and emissions.
PRECISION LASER WELDED IRIDIUM TIP - Experience unmatched durability and a powerful spark that keeps your engine firing flawlessly.
ADVANCED PLATINUM DISC GROUND ELECTRODE - Engineered for extended lifespan, ensuring your ride stays smooth mile after mile.
CORROSION RESISTANT TRIVALENT METAL PLATING - Stay worry-free with superior anti-corrosion and anti-seizing protection for long-term performance.

The NGK ILZKR7B-11S Laser Iridium Spark Plug set features laser-welded iridium tips and platinum ground electrodes for exceptional durability and performance. Designed with a longer insulator nose and triple gasket seal, these plugs prevent carbonization and combustion gas leaks, delivering faster starts, improved fuel economy, and lower emissions. Ideal for a wide range of vehicles, they combine advanced materials and engineering to keep your engine running like new.

Presupuesto

ASIN	B01DMFGRZG
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#72,381 in Automotive ( See Top 100 in Automotive ) #522 in Automotive Replacement Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles
Core Material	Iridium
Customer Reviews	4.5 4.5 out of 5 stars (1,043)
Global Trade Identification Number	00087295057872
Included Components	NGK (5787-4PK) ILZKR7B-11S Laser Iridium Spark Plug, Box of 4
Item Type Name	ILZKR7B-11S Laser Iridium Spark Plug, Box of 4
Item Weight	0.4 Pounds
Manufacturer	NGK
Manufacturer Part Number	5787-4PK
Manufacturer Warranty Description	Manufacturer
Model Number	5787-4PK
Thread Size	14mm x 1.25mm
Top Material Type	Metal
UPC	087295057872 603996526402 087295457733
Unit Count	4.0 Count

Reseñas

M**N

Great car part

Easy to install yourself and makes your car run like new.

14.03.2026

J**O

GENUINE NGK PLUGS AT A GREAT PRICE

THESE ARE GENUINE NGK PLUGS. I submitted information to NGK's customer service dept including pictures, production codes, and resistance measurements from the plugs and they confirmed that they are genuine NGK. I have not had a chance to install them yet but I will be soon. If I was not positive that they were genuine I would never take the chance of ruining my engine on a plug coming apart or failing early.

12.01.2026

J**R

No complaints so far and look to be genuine NGK

No complaints so far. I did inspect them before installing and they look to be genuine NGK spark plugs according to NGK's article "How to identify NGK SPARK PLUGS." The NGKs replaced fake Denso spark plugs from eBay that had worn center electrode tips after only 13k miles (my cheap fault). My worn spark plug gaps ranged from .065" to .073" when they're supposed to be around .044", which the NGKs are pre-gapped to. After installing the NGKs, instantly noticed the increase to normal engine performance. Ordered 2/11/25. Received and installed on my 2012 Acura TSX on 2/12/25.

14.02.2025

P**.

Authentic NGK plugs (verified by NGK customer support)

These are authentic NGK plugs. Just to be sure, I contacted NGK customer support to verify the authenticity of the plugs. After an inquiry email, a customer service representative contacted me with in 24 hours. I had to send several photos of the plugs and received my verification the next day. I also tested the resistance of each plug with a multimeter, and they were all within spec. Great price and authentic! What more could you ask for?

13.08.2025

H**T

Good product

After installation, the car is still have idle sharking issue sometimes. But milage seems improved a bit.

19.09.2023

F**D

NGK, measured 5 ohms.

All spark plugs measured around 5ohms.

8.03.2026

C**G

NOT authentic NGK spark plugs

I contacted NKG, and these are are NOT authentic NGK spark plugs

6.01.2026

A**.

Quality

Durable long lasting

15.01.2026

I**Z

Puestas en civic si 2012. Todo excelente

26.11.2025

R**N

good quality and price

4.03.2026

J**É

Las bujías vienen usadas

19.03.2026

V**N

run 45,000 till now after installation. original spark plug recommended by honda. going good so far. improve performance. must use complete fuel injector cleaner (STP)along it.

1.02.2021

J**A

Excelentes bujías. He usado la marca en varios autos y siempre han funcionado a la perfección.

20.06.2025

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Trustscore 4.5 | Más de 7,300 reseñas

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$U4934

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In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

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Trustpilot

Trustscore 4.5 | Más de 7,300 reseñas

Abdullah B.

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