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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94124 ILKAR7L11 Laser Iridium Spark Plug, Pack of 4

Product ID: 254497257

Details

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

🔥Laser Iridium tech for max ignition

🚗Pack of 4 for full engine refresh

⚙️Precision RM thread size fit

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$153.38

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Description

⚡ Ignite your drive with NGK’s laser precision!

PERFECT OEM FIT - Precision RM thread size ensures seamless replacement for your vehicle.
COMPLETE ENGINE UPGRADE - Pack of 4 plugs means you’re ready to optimize all cylinders at once.
TRUSTED BY PROFESSIONALS - NGK’s #28 ranked performance spark plug with 4.7-star rating from 856 users.
UNMATCHED IGNITION PERFORMANCE - Laser Iridium core delivers superior spark efficiency and longer lifespan.
DURABILITY THAT GOES THE DISTANCE - Engineered to last over 20,000 miles with zero performance drop.

The NGK 94124 ILKAR7L11 Laser Iridium Spark Plug pack of 4 offers advanced iridium technology for enhanced ignition, durability, and fuel efficiency. Designed as a direct OEM replacement with precision RM threading, these plugs fit a wide range of cars and motorcycles, delivering reliable performance backed by high customer ratings and trusted NGK quality.

Specifications

ASIN	B01DMFGYRC
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#21,441 in Automotive ( See Top 100 in Automotive ) #89 in Automotive Performance Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car, Motorcycle
Core Material	Iridium
Country of Publication	Japan
Customer Reviews	4.7 4.7 out of 5 stars (867)
Global Trade Identification Number	00087295841242
Included Components	NGK (94124-4PK) ILKAR7L11 Laser Iridium Spark Plug, Box of 4
Item Weight	181 g
Manufacturer	NGK
Manufacturer Part Number	94124-4PK
Model Number	94124-4PK
Thread Size	RM
Top Material Type	Metal
UPC	087295841242 087295176917
Unit Count	4 Count

Reviews

S**N

جدا ممتازة وعملية شراء موفقة

27.11.2020

R**T

Really great plugs. I cross referenced these against the oem plugs in a 2021 Mazda cx-9. Factory Mazda plugs are 26.00 each and the exact replacement NGK is 21.50. These are NGK laser iridium slightly different part number but the ONLY 2 differences are price and gap. These come pre-gapped at 1.1mm and Mazda needs .75. Prove wise…. 40.00 cheaper for NGK quality iridium and all I did was tighten the gap to.75mm Car runs FANTASTIC! I even asked Mazda about the part number and they confirmed no issue. Save 40.00. Gap them yourself!

28.09.2025

O**R

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

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

6.10.2024

A**E

Funcionó perfecto en mi MX5 2022

10.11.2025

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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