---
product_id: 13901465
title: "Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each"
brand: "ngk"
price: "€ 25.94"
currency: EUR
in_stock: true
reviews_count: 8
category: "Ngk"
url: https://www.desertcart.sk/products/13901465-spark-plug-ngk-laser-iridium-12-mm-thread-26-5
store_origin: SK
region: Slovakia
---

# Longest life iridium core durability Laser welded iridium tip for max spark 12 mm precision thread fit Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each

**Brand:** ngk
**Price:** € 25.94
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with NGK’s laser precision spark!

## Quick Answers

- **What is this?** Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each by ngk
- **How much does it cost?** € 25.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/13901465-spark-plug-ngk-laser-iridium-12-mm-thread-26-5)

## Best For

- ngk enthusiasts

## Why This Product

- Trusted ngk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fuel Efficiency Booster:** Noticeable MPG gains for the eco-conscious driver.
- • **Trivalent Metal Plating:** Corrosion-resistant finish for extended spark plug lifespan.
- • **Trusted OEM Quality with Resistor:** Reduces electrical noise while guaranteeing reliability and longevity.
- • **Precision Laser-Welded Iridium Tip:** Delivers unmatched ignition efficiency and engine smoothness.
- • **Optimized 12 mm Thread & 26.5 mm Reach:** Ensures a perfect OEM fit for seamless installation and performance.

## Overview

The NGK Laser Iridium Spark Plug (Stock #4912) features a laser-welded iridium tip and trivalent metal plating for superior durability and ignition performance. With a 12 mm thread and 26.5 mm reach, it offers a precise OEM fit for cars and trucks, enhancing engine smoothness and fuel efficiency. Trusted globally, it includes a resistor to minimize electrical interference and is backed by NGK’s manufacturer warranty.

## Description

Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each

Review: Flawless Upgrade for Optimal Performance! - I recently purchased the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug for my car, and it has exceeded my expectations in every way. From the seamless fit to the lightning-fast delivery, this purchase has been a delight. The spark plugs arrived well-packaged and ahead of schedule. Each plug was in perfect condition, and the installation was a breeze, thanks to the precision fit tailored for my car model. Since upgrading to these NGK spark plugs, I've noticed a significant improvement in my car's performance. The engine runs smoother, and there's a noticeable boost in fuel efficiency. It's clear that these spark plugs are engineered for optimal functionality. I appreciate the accuracy of the product description, as the NGK (4912) ILKAR7B11 plugs are exactly as described. The quality craftsmanship is evident, and I'm confident that these spark plugs will contribute to the longevity and efficiency of my vehicle. If you're looking for a reliable and high-performance spark plug, I highly recommend the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug. It's a stellar product that delivers on its promises, and the prompt service from the seller made this purchase even more satisfying. Five stars without hesitation!
Review: a bit cheaper than the DENSO OEM. - My 15 plug in has 80K now. When I bought it from the dealer they said they did a tune up, oil change, etc and brought the 68K mile car up to certified quality. So I waited to change the oil until 80K When I took out the filter I noticed it was a WIX. Interesting. Coming from a Toyota dealer. Ever heard of factory service using off brand parts? Me neither. So I figured they didn't do much of anything before I bought it. So I changed the plugs. Sure enough they are OEM DENSO s11. These NGK's are almost $15 cheaper per set and wow. What a nice difference in the smoothness of the engine. I know they are supposed to be changed at 100 or even 150K But the change out at 80 K miles tells me that may be too late. On a 20 mile circuit I know the odo reports 52mpg today. Yesterday with the old plugs, same car, same traffic and as far as I can remember the same traffic lights (mostly freeway) it reported 48. That is big enough to say something I did helped even if only 2 of those MPGs So I am a happy camper with these plugs. The are OEM quality from NGK not the performance x series so they should last 60-70K depending on driving style. And , even though you have to take a bunch of stuff off to change them it can still be done in an hour. Not bad.

## Features

- Laser welded tip
- Trivalent metal plating
- Longest life available
- Original Equipment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005NBD8V4 |
| Best Sellers Rank | #231,832 in Automotive ( See Top 100 in Automotive ) #1,425 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.6 out of 5 stars 590 Reviews |
| Global Trade Identification Number | 00087295149126 |
| Included Components | Spark Plug |
| Item Height | 0.9 inches |
| Item Type Name | Spark Plug |
| Item Weight | 41 Grams |
| Manufacturer | NGK |
| Manufacturer Part Number | ILKAR7B11 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Thread Size | 12 mm |
| Top Material Type | Metal |
| UPC | 087295149126 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car, Truck |

## Product Details

- **Brand:** NGK
- **Core Material:** Iridium
- **Thread Size:** 12 mm
- **Top Material Type:** Metal
- **Vehicle Service Type:** Car, Truck

## Images

![Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each - Image 1](https://m.media-amazon.com/images/I/815lHy7vB4L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Is this pre gapped for a 2010 Corolla S**
A: Yes they are but u should still check it before installing it becuss the gap can be damage while shipping

**Q: Are these spark plugs individually boxed?**
A: Yes, each spark plug was individually boxed.

**Q: Can I use these for 2015 Prius which recommend gap is 0.043in?**
A: NGK has multiple grades of plugs that may fit your vehicle.  
It is recommended to go to NGK site at   https://ngksparkplugs.com/en/part-finder    to verify the applications that will fit your vehicle.
This site will show you all of the available plugs to fit your vehicle and will also show you which grade plug is recommended for the best performance of your specific engine.

**Q: fix to corolla LE 2014?**
A: Not sure.  I bought and used for 2012 Scion XD.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Flawless Upgrade for Optimal Performance!
*by A***E on January 12, 2024*

I recently purchased the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug for my car, and it has exceeded my expectations in every way. From the seamless fit to the lightning-fast delivery, this purchase has been a delight. The spark plugs arrived well-packaged and ahead of schedule. Each plug was in perfect condition, and the installation was a breeze, thanks to the precision fit tailored for my car model. Since upgrading to these NGK spark plugs, I've noticed a significant improvement in my car's performance. The engine runs smoother, and there's a noticeable boost in fuel efficiency. It's clear that these spark plugs are engineered for optimal functionality. I appreciate the accuracy of the product description, as the NGK (4912) ILKAR7B11 plugs are exactly as described. The quality craftsmanship is evident, and I'm confident that these spark plugs will contribute to the longevity and efficiency of my vehicle. If you're looking for a reliable and high-performance spark plug, I highly recommend the NGK (4912) ILKAR7B11 Laser Iridium Spark Plug. It's a stellar product that delivers on its promises, and the prompt service from the seller made this purchase even more satisfying. Five stars without hesitation!

### ⭐⭐⭐⭐⭐ a bit cheaper than the DENSO OEM.
*by J***E on June 22, 2020*

My 15 plug in has 80K now. When I bought it from the dealer they said they did a tune up, oil change, etc and brought the 68K mile car up to certified quality. So I waited to change the oil until 80K When I took out the filter I noticed it was a WIX. Interesting. Coming from a Toyota dealer. Ever heard of factory service using off brand parts? Me neither. So I figured they didn't do much of anything before I bought it. So I changed the plugs. Sure enough they are OEM DENSO s11. These NGK's are almost $15 cheaper per set and wow. What a nice difference in the smoothness of the engine. I know they are supposed to be changed at 100 or even 150K But the change out at 80 K miles tells me that may be too late. On a 20 mile circuit I know the odo reports 52mpg today. Yesterday with the old plugs, same car, same traffic and as far as I can remember the same traffic lights (mostly freeway) it reported 48. That is big enough to say something I did helped even if only 2 of those MPGs So I am a happy camper with these plugs. The are OEM quality from NGK not the performance x series so they should last 60-70K depending on driving style. And , even though you have to take a bunch of stuff off to change them it can still be done in an hour. Not bad.

### ⭐⭐⭐⭐⭐ NGK long last
*by H***O on August 31, 2024*

They work good for now and make some mileage extra, will look ,if have some problem, will inform you. Original Denso pass 115 000 Miles on Prius V 2014 and still good, Toyota recommend replace around this mileage ,replace transmission oil at 30 000 Mile with 4 quarter new oil, replace engine oil with full synthetic at 5000 Mile and car will last forever. Please put some tape on both side on spark plug , package is cheap.

## Frequently Bought Together

- NGK Spark Plug, NGK Laser Iridium, 12 mm Thread, 26.5 mm Reach, Gasket Seat, Stock Number 4912, Resistor, Each
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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-24*