---
product_id: 261588346
title: "4 New IRIDIUM IX Spark Plug LTR6IX-11# 6509"
brand: "ngk"
price: "25474 Ft"
currency: HUF
in_stock: true
reviews_count: 5
category: "Ngk"
url: https://www.desertcart.hu/products/261588346-4-new-iridium-ix-spark-plug-ltr6ix-11-6509
store_origin: HU
region: Hungary
---

# Iridium IX for superior ignition Consistent spark & performance Direct OEM replacement fit 4 New IRIDIUM IX Spark Plug LTR6IX-11# 6509

**Brand:** ngk
**Price:** 25474 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your engine’s potential with NGK Iridium IX – where precision meets power!

## Quick Answers

- **What is this?** 4 New IRIDIUM IX Spark Plug LTR6IX-11# 6509 by ngk
- **How much does it cost?** 25474 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/261588346-4-new-iridium-ix-spark-plug-ltr6ix-11-6509)

## 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

- • **Consistent Spark Gap:** Factory pre-gapped plugs guarantee uniform ignition, reducing misfires and boosting engine reliability.
- • **Durability That Lasts:** Built to withstand extreme conditions, these plugs deliver sustained performance, keeping your ride smooth mile after mile.
- • **Trusted by Professionals:** Join thousands of satisfied users who rate NGK Iridium IX plugs 4.6 stars for superior power and efficiency.
- • **OEM-Grade Direct Replacement:** Seamlessly swap your spark plugs with genuine NGK parts, ensuring perfect fitment and hassle-free installation every time.
- • **Precision Iridium IX Technology:** Experience unmatched ignition efficiency with NGK’s premium iridium tips, engineered for longer life and optimal performance.

## Overview

This 4-pack of NGK Iridium IX LTR6IX-11 spark plugs offers a direct OEM replacement with iridium-tipped electrodes for enhanced ignition performance and durability. Pre-gapped for consistent spark delivery, these plugs are engineered to improve engine efficiency and reliability, making them a top choice for automotive enthusiasts and professionals alike.

## Description

Genuine 4 pack NGK Iridium IX 6509 Spark Plug

Review: Best spark plug
Review: All plugs worked and were gapped the same.

## Features

- 4 pack NGK Iridium IX 6509 Spark Plug
- Genuine NGK Parts
- Includes original packaging and hardware
- Direct replacement auto parts
- Confirm vehicle fitment with desertcart Confirmed Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004359CD4 |
| Best Sellers Rank | #30,889 in Automotive ( See Top 100 in Automotive ) #145 in Automotive Performance Spark Plugs |
| Brand | NGK |
| Customer Reviews | 4.6 4.6 out of 5 stars (398) |
| Date First Available | 11 May 2014 |
| Item Weight | 200 g |
| Item model number | LTR6IX-11 |
| Manufacturer | NGK |
| Manufacturer Part Number | LTR6IX-11 |
| Position | Front, Rear |
| Product Dimensions | 10.01 x 10.01 x 2.31 cm; 199.58 g |

## Product Details

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

## Images

![4 New IRIDIUM IX Spark Plug LTR6IX-11# 6509 - Image 1](https://m.media-amazon.com/images/I/71ynwqj99yL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***D on 18 August 2022*

Best spark plug

### ⭐⭐⭐⭐⭐ Review
*by D***N on 21 September 2025*

All plugs worked and were gapped the same.

### ⭐⭐⭐⭐⭐ Review
*by R***M on 8 March 2025*

These type of spark plugs are used on my Honda motorcycle, and my MX5 car. The prices are better than my local parts shop. They come with pre-set gaps, do not set them differently, they are fragile.

## Frequently Bought Together

- 4 New NGK IRIDIUM IX Spark Plug LTR6IX-11 # 6509
- Permatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric Grease Used To Protect Terminals, Spark Plugs, Wiring And Other Electrical Connections Against Salt, Dirt, And Corrosion
- CTA Tools 3235 Spark Plug Gapper

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**Shop now:** [https://www.desertcart.hu/products/261588346-4-new-iridium-ix-spark-plug-ltr6ix-11-6509](https://www.desertcart.hu/products/261588346-4-new-iridium-ix-spark-plug-ltr6ix-11-6509)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-16*