---
product_id: 30336700
title: "NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack)"
brand: "ngk"
price: "C$4052"
currency: NIO
in_stock: true
reviews_count: 8
url: https://www.desertcart.ni/products/30336700-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-4-pack
store_origin: NI
region: Nicaragua
---

# 0.6mm iridium fine tip for extreme ignitability High melting point iridium alloy for superior durability Triple gasket seal eliminates combustion gas leakage NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack)

**Brand:** ngk
**Price:** C$4052
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with precision and power!

## Quick Answers

- **What is this?** NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack) by ngk
- **How much does it cost?** C$4052 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/30336700-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-4-pack)

## 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

- • **OEM Trusted Quality:** World’s largest OEM spark plug supplier—guaranteed fit and performance for your vehicle.
- • **Endurance Engineered:** Iridium alloy withstands extreme heat and wear, ensuring long-lasting performance for high-demand engines.
- • **Leak-Proof Reliability:** Triple gasket seal design prevents combustion gas leaks, maximizing engine efficiency.
- • **Precision Ignition Power:** Laser-welded 0.6mm iridium tip delivers unmatched spark consistency and throttle response.
- • **Optimized Fouling Resistance:** Longer insulator nose and corrugated ribs reduce fouling and flashover for cleaner, smoother operation.

## Overview

The NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug 4-pack combines cutting-edge iridium technology with OEM-grade reliability. Featuring a laser-welded 0.6mm fine iridium tip, triple gasket sealing, and advanced fouling resistance, these plugs deliver superior ignitability, durability, and engine efficiency—perfect for performance enthusiasts demanding consistent power and longevity.

## Description

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose avoids fouling, the corrugated ribs on insulator avoids flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent metal plating has superior corrosion and seizing properties.

## Features

- Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
- Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
- NGK is the world's largest supplier of OEM spark plugs
- Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
- This Listing is for 4 Spark Plugs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NGK |
| Core Material | Iridium |
| Thread Size | 14mm x 19mm |
| Top Material Type | Metal |
| Vehicle Service Type | Motorcycle |
| Global Trade Identification Number | 00087295064412 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 087295064412 |
| Manufacturer | NGK |
| Model | FBA_6441 |
| Item Weight | 0.01 ounces |
| Product Dimensions | 0.89 x 3.43 x 0.98 inches |
| Item model number | 6441-4PK |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 6441-4PK |
| Position | Front, Rear |

## Product Details

- **Brand:** NGK
- **Core Material:** Iridium
- **Thread Size:** 14mm x 19mm
- **Top Material Type:** Metal
- **Vehicle Service Type:** Motorcycle

## Images

![NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack) - Image 1](https://m.media-amazon.com/images/I/81lMBJ-5KgL.jpg)
![NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack) - Image 2](https://m.media-amazon.com/images/I/81j6VztQB8L.jpg)
![NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack) - Image 3](https://m.media-amazon.com/images/I/71UT4tYQitL.jpg)
![NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack) - Image 4](https://m.media-amazon.com/images/I/61pRw94V5LL.jpg)

## Available Options

This product comes in different **Number of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Spark plugs for 01 Dodge Ram 5.2
*by C***H on January 10, 2025*

The plugs were perfectly gapped out of the box..040. Fit and work as expected.

### ⭐⭐⭐⭐⭐ Genuine
*by M***E on November 9, 2024*

Genuine parts and cheaper than the local store.

### ⭐⭐⭐⭐⭐ Recommend in preludes
*by E***G on March 16, 2025*

Best plugs for all h22a and most older hondas

## Frequently Bought Together

- NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4
- ENA Set of 4 Ignition Coil Pack Compatible with Honda Civic 2001 2002 2003 2004 2005 Acura EL 2002 2003 2004 L4 1.7L Coils for UF307 UF400 UF512 5C1451 E1012 UF307 30520P8EA00 C1460
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**Shop now:** [https://www.desertcart.ni/products/30336700-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-4-pack](https://www.desertcart.ni/products/30336700-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-4-pack)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-23*