---
product_id: 413672234
title: "NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW"
brand: "ngk"
price: "$256"
currency: NZD
in_stock: false
reviews_count: 5
category: "Ngk"
url: https://www.desertcart.nz/products/413672234-ngk-4589-laser-iridium-spark-plugs-ifr6t11-4-pcs-new
store_origin: NZ
region: New Zealand
---

# Iridium tip 6x harder than platinum High-grade alumina ceramic insulator Precision 14mm thread diameter NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW

**Brand:** ngk
**Price:** $256
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Ignite your drive with NGK Laser Iridium – where performance meets longevity!

## Quick Answers

- **What is this?** NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW by ngk
- **How much does it cost?** $256 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/413672234-ngk-4589-laser-iridium-spark-plugs-ifr6t11-4-pcs-new)

## 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

- • **Precision Fitment:** 14mm thread diameter and flat seat design guarantee OEM-level compatibility and easy installation.
- • **Trusted OEM Quality:** Manufactured by NGK, the world’s leading OEM spark plug supplier, for guaranteed reliability.
- • **Unmatched Durability:** Iridium center electrode lasts 6x longer than platinum for relentless performance.
- • **Cool & Reliable Ignition:** Premium alumina ceramic and copper core prevent overheating and ensure smooth starts every time.
- • **Optimized Wear Resistance:** Platinum pad on ground electrode ensures even wear in distributorless ignition systems.

## Overview

NGK Laser Iridium Spark Plugs IFR6T11-4 PCS deliver superior ignition performance with an iridium-tipped electrode that is six times harder than platinum. Engineered with high-grade alumina ceramic and a pure copper core, these plugs prevent overheating and provide reliable starts. Featuring a platinum pad on the ground electrode for even wear, they fit a wide range of vehicles with a precise 14mm thread diameter and flat seat design. Trusted by OEMs worldwide, NGK ensures durability, quality, and optimized engine efficiency.

## Description

These spark plugs are compatible with Daewoo:Lanos 1.6L (1999–2002)These spark plugs are compatible with Lexus:HS250h 2.4L (2010–2012)These spark plugs are compatible with Lotus:Elan 1.6L (1991)These spark plugs are compatible with Mazda:Miata 1.6L (1990–1993)These spark plugs are compatible with Pontiac:Vibe 1.8L (2003–2006)Vibe 2.4L (2009–2010)These spark plugs are compatible with Scion:tC 2.4L (2005–2010)xB 2.4L (2008–2012)These spark plugs are compatible with Toyota:Camry 2.2L (1992–1996)Camry 2.4L (2002–2011)Celica 1.8L (2000–2005)Celica 2.2L (1991–1999)Corolla 1.8L (2005–2006)Corolla 2.4L (2009–2012)Highlander 2.4L (2001–2007)Matrix 1.8L (2003–2006)Matrix 2.4L (2009–2012)MR2 2.2L (1992–1995)Previa 2.4L (1995–1997)RAV4 2.0L (1996, 2001–2003)RAV4 2.4L (2004–2008)Solara 2.4L (2002–2008)Material Grade: Iridium Platinum Stock Number: 4589 Part Number: IFR6T11 Resistance (Ohms): 5000.0 Ground Electrode Tip Design: Standard Ground Configuration: J-Gap Ground Electrode Core Material: Nickel Washer Included: Yes Grade Type: Performance Electrical Terminal Type: Non-Removable Nut Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Pre-Gap Size (IN): .044 Pre-Gap Size (MM): 1.1 Ground Electrode Quantity: 1 Hex Size: 5/8" (16mm) Insulator Height (IN): 1.99 Insulator Height (MM): 50.5 Manufacturer Heat Range: 6 Seat Type: Flat Reach (IN): 0.750 Reach (MM): 19.0 Thread Diameter (IN): 0.551 Thread Diameter (MM): 14.0 Insulator Material: Ceramic Resistor Type: Yes Ground Electrode Tip Material: Platinum Skirt: No Center Electrode Insulator Tip Projection (IN): 0.16 Center Electrode Insulator Tip Projection (MM): 4.0 Center Electrode Design: Fine Wire Washer Type: Crush Center Electrode Projection: Mid Projection

Review: Todo bien
Review: Solved my sputtering engine. It was due for a tune up and upgraded spark plugs that’s performance quality.

## Features

- This listing is for 4 IFR6T11 4589 NGK Laser Iridium Spark Plugs. Fitment information is provided in the Product Description below—always verify the correct part number with your vehicle manufacturer, owner’s manual, or NGK directly before purchasing.
- Offering the quality, reliability and durability you would expect from an OEM manufacturer, NGK is known for being the world’s leading supplier of OEM spark plugs.
- NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability.
- Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts.
- Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems. Best for vehicles with OE fine wire iridium alloy plugs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00IYBU8VI |
| Brand | NGK |
| Core Material | Iridium |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (179) |
| Date First Available | 13 June 2015 |
| Item Dimensions LxWxH | 8.4 x 2.4 x 8.4 Centimeters |
| Item Weight | 0.28 g |
| Item model number | FBA_4589 |
| Manufacturer | NGK |
| Manufacturer Part Number | FBA_4589 |
| Model | FBA_4589 |
| OEM Part Number | Cross-reference is for reference only. Confirm compatibility with your vehicle. Autolite Iridium XP Double Platinum XP3923 Torch K6RTIP Toyota 9008091181 Toyota 90919-01211 Toyota 90919-01211-79 Toyota 90919-01238 ACDelco Professional 41-111 Beck/Arnley 1765299 DENSO Auto Parts 3297 DENSO Auto Parts 4504 DENSO Auto Parts IK20TT DENSO Auto Parts SK20R11 DENSO Auto Parts 3335 DENSO Auto Parts 4702 D… |
| Position | Front, Rear |
| Product Dimensions | 8.41 x 2.39 x 8.43 cm; 0.28 g |
| Thread Size | 14mm |
| Top Material Type | Metal |
| UPC | 087295445891 087295045893 |
| Vehicle Service Type | Snowmobile, UTV, Van, Watercraft |

## Product Details

- **Brand:** NGK
- **Core Material:** Iridium
- **Thread Size:** 14mm
- **Top Material Type:** Metal
- **Vehicle Service Type:** Snowmobile, UTV, Van, Watercraft

## Images

![NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW - Image 1](https://m.media-amazon.com/images/I/317AXikqRDL.jpg)
![NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW - Image 2](https://m.media-amazon.com/images/I/31ror3+pnjL.jpg)
![NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW - Image 3](https://m.media-amazon.com/images/I/41JvP2BpbDL.jpg)
![NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW - Image 4](https://m.media-amazon.com/images/I/41M+GOy83+L.jpg)
![NGK # 4589 Laser Iridium Spark Plugs IFR6T11-4 PCS NEW - Image 5](https://m.media-amazon.com/images/I/41M88nbORTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***N on 18 August 2019*

Todo bien

### ⭐⭐⭐⭐⭐ Review
*by R***L on 29 July 2024*

Solved my sputtering engine. It was due for a tune up and upgraded spark plugs that’s performance quality.

### ⭐⭐⭐⭐⭐ Review
*by H***N on 3 October 2019*

Gut

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-12*