---
product_id: 267082413
title: "# 6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW"
brand: "ngk"
price: "557.22 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Ngk"
url: https://www.desertcart.tn/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew
store_origin: TN
region: Tunisia
---

# Iridium core for max spark efficiency Pack of 6 for long-lasting performance 14mm universal thread size # 6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW

**Brand:** ngk
**Price:** 557.22 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with NGK Iridium – where power meets precision!

## Quick Answers

- **What is this?** # 6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW by ngk
- **How much does it cost?** 557.22 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/267082413-6509-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 Value:** Six premium spark plugs per pack ensure you’re always ready for maintenance or upgrades.
- • **Universal 14mm Thread:** Fits a wide range of cars and motorcycles, making upgrades effortless and versatile.
- • **Pre-Gapped Convenience:** Ready to install right out of the box—no hassle, no guesswork, just instant power.
- • **Precision Iridium Core:** Experience superior ignition with ultra-durable iridium for enhanced engine performance and fuel efficiency.
- • **Trusted Brand Excellence:** NGK’s renowned quality and 4.7-star rating guarantee reliability and peak engine performance.

## Overview

The NGK #6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW is a high-performance ignition component featuring a durable iridium core and a universal 14mm thread size. Sold in convenient packs of six, these pre-gapped spark plugs are compatible with both cars and motorcycles, delivering reliable starts and improved fuel efficiency. Backed by NGK’s trusted brand reputation and a strong customer rating, they offer professional-grade quality for everyday drivers and enthusiasts alike.

## Description

Sold in packs of 6.

Review: 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.
Review: Funcionaron muy bien.

## Features

- Sold in packs of 6
- Brand: NGK
- Core material: Iridium
- Top Material: Iridium
- Compatible with vehicle type: Car
- Thread Size: 14mm
- Compatible with vehicle type: Motorcycle
- Compatible with vehicle type: Car, Motorcycle

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J62NNAC |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #44,379 in Automotive ( See Top 100 in Automotive ) #19 in Motorcycle Ignition Parts |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,384) |
| Item Weight | 299 g |
| Manufacturer | NGK |
| Manufacturer Part Number | 6509 |
| Model Number | LTR6IX-11 |
| Thread Size | 14mm |
| Top Material Type | Iridium |
| UPC | 087295065099 |

## Product Details

- **Brand:** NGK
- **Core material:** Iridium
- **Thread size:** 14mm
- **Top material type:** Iridium
- **Vehicle service type:** Car

## Images

![# 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

### ⭐⭐⭐⭐⭐ Review
*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.

### ⭐⭐⭐⭐⭐ Review
*by N***. on 10 October 2025*

Funcionaron muy bien.

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 14 June 2025*

worked, no manual gapping required

## Frequently Bought Together

- NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW
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**Shop now:** [https://www.desertcart.tn/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew](https://www.desertcart.tn/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-07*