---
product_id: 267082413
title: "# 6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW"
brand: "ngk"
price: "22659 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew
store_origin: IS
region: Iceland
---

# Iridium core for max spark efficiency Pack of 6 for seamless replacements 14mm precision thread size # 6509 Iridium Spark Plug LTR6IX-11-6 PCSNEW

**Brand:** ngk
**Price:** 22659 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive 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?** 22659 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/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 Convenience:** Sold in packs of 6 to keep your ride running without interruption
- • **Lightweight Durability:** Only 299g total weight with robust materials built to last
- • **Versatile Compatibility:** Engineered for both cars and motorcycles, one plug fits multiple rides
- • **Precision Fit Guaranteed:** 14mm thread size ensures perfect compatibility with cars & motorcycles
- • **Unmatched Ignition Power:** Iridium core delivers superior spark for peak engine performance

## Overview

The NGK #6509 Iridium Spark Plug LTR6IX-11 is a high-performance ignition component featuring a durable iridium core and 14mm thread size, designed for both cars and motorcycles. Sold in convenient packs of six, it offers reliable spark efficiency and long-lasting durability to keep your engine running smoothly.

## Description

Sold in packs of 6.

## 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 |
|---------------|-------|
| Manufacturer | NGK |
| Brand | NGK |
| Product Dimensions | 9.4 x 2.39 x 12.65 cm; 299.37 g |
| Item model number | LTR6IX-11 |
| Manufacturer Part Number | 6509 |
| Position | Center |
| Item Weight | 299 g |

## 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.

## Frequently Bought Together

- NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW
- FEL-PRO MS 97214 Fuel Injection Plenum Gasket Set for Ford Edge
- Ignition Coil Pack Replacement for 3.5 3.7 V6 Ford Edge Explorer F150 Flex MKS MKT MKZ, Mazda 6 CX-9 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 3.7L 3.5L, UF553 DG520, Pack of 6

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**Shop now:** [https://www.desertcart.is/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew](https://www.desertcart.is/products/267082413-6509-iridium-spark-plug-ltr6ix-11-6-pcsnew)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-23*