# IFR6E11 NGK Iridium Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Iridium Spark Plug – Part Number: IFR6E11**

NGK iridium spark plugs feature an iridium alloy on the centre electrode, welded on with a laser – one of the world's hardest metals, with a melting point of 2450°C, giving very high resistance to spark erosion and, on average, double the service life of a standard nickel spark plug.

## ⚙️ Key Features

-   Fine iridium-tipped centre electrode and platinum-tipped ground electrode for a slow wear rate, stable idle, improved fuel efficiency and lower emissions
-   Longer service life
-   Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
-   Corrugated ribs reduce the risk of flashover
-   Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
-   Triple seals prevent leakage
-   Copper core aids in heat removal

## 📏 Specifications

-   NGK stock number: 6741
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: ISO Projected FR-Series Wide Gap

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Acura Integra (2001-1992) – 4-12 per engine
-   Acura Legend (1995-1991) – 4-12 per engine
-   Acura NSX (2005-1991) – 4-12 per engine
-   Aston Martin DB9 (2005) – 4-12 per engine
-   Audi A6 Quattro (2006-2005) – 4-12 per engine
-   Chevrolet Aveo (2008-2004) – 4-12 per engine
-   Chevrolet Aveo5 (2008-2006) – 4-12 per engine
-   Chevrolet Epica (2006-2004) – 4-12 per engine
-   Chevrolet Metro (2001-1998) – 4-12 per engine
-   Chevrolet Tracker (1991-1990) – 4-12 per engine
-   Chevrolet Tracker (2002-1998) – 4-12 per engine
-   Chrysler Sebring (1999-1995) – 4-12 per engine
-   Chrysler Sebring (2005-2001) – 4-12 per engine
-   Daewoo Nubira (2002-1999) – 4-12 per engine
-   Daihatsu Charade (1992-1989) – 4-12 per engine
-   Daihatsu Rocky (1992-1990) – 4-12 per engine
-   Dodge Avenger (1999-1995) – 4-12 per engine
-   Dodge Colt (1994-1993) – 4-12 per engine
-   Dodge Stealth (1996-1991) – 4-12 per engine
-   Dodge Stratus (2005-2001) – 4-12 per engine
-   Eagle Talon (1998-1995) – 4-12 per engine
-   Ford Escort (1996-1991) – 4-12 per engine
-   Ford Probe (1997-1993) – 4-12 per engine
-   Geo Storm (1991-1990) – 4-12 per engine
-   Gmc Tracker (1991-1989) – 4-12 per engine

That is the 25 most common of 86 applications NGK's charts list for this plug – ask us to check yours.

## 🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

-   DENSO: 3403, 3418, 4504, 4702, IK20TT, PK20TT, SK20PR-A11, SK20PR-A8
-   Bosch: 9603, 9604, 9607, FR7DII33X, FR7KII33X, FR7LII33X

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 35.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 35.00 AUD | In stock |

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/ifr6e11-ngk-iridium-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03