---
product_id: 391198433
title: "NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW"
brand: "ngk"
price: "AR$304188"
currency: ARS
in_stock: true
reviews_count: 5
category: "Ngk"
url: https://www.desertcart.com.ar/products/391198433-ngk-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew
store_origin: AR
region: Argentina
---

# Iridium core for superior ignition Pack of 6 for full engine refresh 14mm thread size for perfect fit NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW

**Brand:** ngk
**Price:** AR$304188
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with NGK's iridium edge!

## Quick Answers

- **What is this?** NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW by ngk
- **How much does it cost?** AR$304188 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/391198433-ngk-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew)

## 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

- • **Bulk Pack Advantage:** Six spark plugs in one pack—optimize your engine overhaul without multiple orders.
- • **Trusted by Thousands:** Rated 4.7/5 by over 2,400 drivers who demand reliability and power.
- • **Lightweight & Durable:** At just 299g, engineered for longevity and consistent performance.
- • **Perfect Fit Every Time:** 14mm thread size ensures seamless compatibility with your vehicle.
- • **Precision Iridium Performance:** Experience unmatched spark efficiency with NGK's premium iridium core.

## Overview

NGK #6509 Iridium Spark Plug LTR6IX-11 comes in a convenient 6-pack, featuring a durable iridium core and 14mm thread size for optimal vehicle compatibility. With a stellar 4.7-star rating from over 2,400 users, these spark plugs deliver reliable ignition performance and long-lasting durability, making them a top choice for car maintenance and engine efficiency.

## Description

Sold in packs of 6.

Review: Excellent - Excellente qualité, fais très bien le travail, je recommande
Review: One of the best - Works great with my car

## Features

- Sold in packs of 6

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J62NNAC |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Customer Reviews | 4.7 out of 5 stars 2,451 Reviews |
| Item Weight | 299 g |
| Manufacturer | NGK |
| Manufacturer Part Number | 6509 |
| Model | LTR6IX-11 |
| Number of Items | 6 |
| OEM Equivalent Part Number | 6509 |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| UPC | 087295065099 |
| Vehicle Service Type | Car |
| What Is In the Box | 6509 |

## Product Details

- **Brand:** NGK
- **Core Material:** Iridium
- **Thread Size:** 14mm
- **Top Material Type:** Iridium
- **Vehicle Service Type:** Car

## Images

![NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW - Image 1](https://m.media-amazon.com/images/I/619zkWbYNZL.jpg)

## Questions & Answers

**Q: Are these genuine NGK plugs**
A: Yes they are. Put them in a 2012 Cadillac. Car is still running just fine.

**Q: Gap was .041, spark plug off my 2011 Mustang V6 were 0.050, why the difference?**
A: Most all plugs come new at around .038. they have to be gapped according to specs by the engine manufacturer. Worn plugs will have a wider gap due to deteriorated metal and heat.

**Q: Has anyone tried this on a lincoln mkx?**
A: must be applied by engine size not car model

**Q: Is it fit Volkswagen Tiguan 2.0 tsi**
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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by A***E on 18 June 2026*

Excellente qualité, fais très bien le travail, je recommande

### ⭐⭐⭐⭐⭐ One of the best
*by S***I on 19 July 2026*

Works great with my car

### ⭐⭐⭐⭐⭐ They work great
*by J***N on 17 March 2022*

Great quality spark plugs. Just fitted them to my 2014 3.7 V6 Mustang. Runs fine with no issues. No need to gap them as they're per gaped. Bought via a US seller and arrived in the UK very quickly.

## Frequently Bought Together

- NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW
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**Shop now:** [https://www.desertcart.com.ar/products/391198433-ngk-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew](https://www.desertcart.com.ar/products/391198433-ngk-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-27*