Do you need to put on dielectric grease on these plug when installing them?

To avoid confusion: anti seize is not recommended on the threads. On my Mazda 3, the torque spec (dry) was 10.8-14.5 ft-lb (depends on whether the engine block is steel or aluminum, mine is aluminum) Regarding dielectric grease, a small amount should be put on the porcelain region of the plug. Dielectric grease does not conduct electricity (never put it on the threads or distal tip). A small amount in the porcelain will prevent the spark from bypassing the proper route through the plug and arc over the surface.

Are these the same spark plugs as the oem ones? part# pe5r18110?

They are the OEM original parts for my 2014 Mazda CX-5. Spark plugs do not get any better than NGKs in my experience.

Will these work with the 2014 Mazda6s?

Yes. And they have been great so far. Highly recommend

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NGK 94124-4PK ILKAR7L11 Laser Iridium Spark Plug, Box of 4

NGK 94124-4PK ILKAR7L11 Laser Iridium Spark Plug, Box of 4

Product ID: 369156318

Details

Brand
NGK
Core material
Iridium
Thread size
RM
Top material type
Metal
Vehicle service type
Motorcycle

⚡Laser-welded Iridium tip for max spark

⛽Boosts fuel economy & lowers emissions

🛡️Triple gasket seal for zero gas leaks

481.90 DT

Duties & taxes included

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Description

⚡ Ignite your ride with NGK’s laser precision spark plugs — because every start counts!

ECO DRIVEN EFFICIENCY - Optimized design enhances fuel economy and reduces emissions, aligning with your green-driving goals.
ENGINE LONGEVITY BOOST - Platinum disc and longer insulator nose prevent fouling and wear, extending spark plug life.
LEAK PROOF PERFORMANCE - Triple gasket seal and corrugated insulator ribs eliminate combustion gas leakage and flashover.
PRECISION IGNITION POWER - Laser-welded Iridium tip delivers unmatched durability and a stronger spark for flawless engine starts.
SEAMLESS FIT SMOOTH RIDE - OEM-level fit ensures easy installation and immediate improvement in idle stability and throttle response.

The NGK 94124-4PK ILKAR7L11 Laser Iridium Spark Plug set features laser-welded iridium tips and platinum discs for superior durability and long life. Designed with a longer insulator nose and triple gasket seal, these plugs prevent fouling and combustion gas leaks, delivering faster starts, improved fuel efficiency, and lower emissions. Perfectly engineered for motorcycles, they offer OEM-level fit and reliable ignition performance, making them a top choice for smooth, efficient rides.

Specifications

ASIN	B01DMFGYRC
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	463,605 in Automotive ( See Top 100 in Automotive ) 1,848 in Car Spark Plugs
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Core material	Iridium
Customer Reviews	4.7 out of 5 stars 885 Reviews
Global Trade Identification Number	00087295841242
Item Weight	0.4 Pounds
Manufacturer	NGK
Manufacturer Part Number	94124-4PK
Model Number	94124-4PK
OEM Equivalent Part Number	ILKAR7L11
Thread Size	RM
Thread size	RM
Top Material Type	Metal
Top material type	Metal
UPC	087295841242 087295176917
Unit Count	4.0 count
Vehicle service type	Motorcycle

Reviews

S**N

ممتازة ومجربة

جدا ممتازة وعملية شراء موفقة

27.11.2020

R**G

OEM-Level Quality with Smooth, Reliable Engine Performance

The NGK 94124 ILKAR7L11 Laser Iridium Spark Plugs are outstanding in both quality and performance. Installation was straightforward, and the fit was perfect with no adjustments needed, making them a true direct replacement. Once installed, the engine immediately ran smoother with improved idle stability and quicker throttle response. Cold starts are noticeably easier, and overall performance feels more refined and efficient. The iridium construction gives confidence in long service life and consistent ignition performance. These plugs feel like true OEM-grade components, delivering reliable spark under all driving conditions. If you want dependable spark plugs that enhance engine smoothness and efficiency, this NGK set is absolutely great

15.06.2026

O**R

De momento funcionando perfectamente

Montadas hace un par de meses y de momento funcionando perfectamente. Tenía dudas de si eran originales o no, porque me salieron muy bien de precio, y y después de dos meses con ellas montadas, funcionan como las que traía el coche, así que muy contento, por lo menos hasta ahora.

12.12.2025

M**Y

Good price

Happy with the purchase. Installed on my Mazda 3 BM; haven’t had any issues since then.

6.10.2024

A**E

Buena calidad y ajuste

Funcionó perfecto en mi MX5 2022

10.11.2025

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