# IZFR6N-E NGK Iridium Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Iridium Spark Plug – Part Number: IZFR6N-E**

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: 4757
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: 14mm Spark Plugs cont'd ISO Extended Projection

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment. The chart shows a 1.0 mm gap for these engines, but check it against your engine's manual before fitting.

-   Evinrude DCXSDR (250 HP, 2006) – Outboard Engine
-   Evinrude DCXSOC (250 HP, 2005) – Outboard Engine
-   Evinrude DCZSDR (250 HP, 2006) – Outboard Engine
-   Evinrude DCZSOC (250 HP, 2005) – Outboard Engine
-   Evinrude DPLSDR (250 HP, 2006) – Outboard Engine
-   Evinrude DPLSOC (250 HP, 2005) – Outboard Engine
-   Evinrude DPXSDR (250 HP, 2006) – Outboard Engine
-   Evinrude DPXSOC (250 HP, 2005) – Outboard Engine
-   Evinrude DPZSDR (250 HP, 2006) – Outboard Engine
-   Evinrude DPZSOC (250 HP, 2005) – Outboard Engine
-   Evinrude E250DCXSCF (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCXSCG (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCXSCM (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCXSUA (250 HP, 2007) – Outboard Engine
-   Evinrude E250DCXSUG (250 HP, 2007) – Outboard Engine
-   Evinrude E250DCZSCF (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCZSCG (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCZSCM (250 HP, 2008) – Outboard Engine
-   Evinrude E250DCZSUA (250 HP, 2007) – Outboard Engine
-   Evinrude E250DPLSCF (250 HP, 2008) – Outboard Engine
-   Evinrude E250DPLSCG (250 HP, 2008) – Outboard Engine
-   Evinrude E250DPLSCM (250 HP, 2008) – Outboard Engine
-   Evinrude E250DPLSUA (250 HP, 2007) – Outboard Engine
-   Evinrude E250DPXSCF (250 HP, 2008) – Outboard Engine
-   Evinrude E250DPXSCG (250 HP, 2008) – Outboard Engine

That is the 25 most common of 584 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.

-   Champion: 7919, 7953, 9005, 956M, 956S, 9809, QC10PEPB, QC10WEP and 3 more

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 79.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 79.00 AUD | In stock |

## Images

- IZFR6N-E NGK iridium spark plug
- IZFR6N-E NGK iridium spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/izfr6n-e-ngk-iridium-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03