# IFR5T11 NGK Iridium Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Iridium Spark Plug – Part Number: IFR5T11**

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: 4996
-   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.

-   Chevrolet Prizm (2002-2000) – 4-6 per engine
-   Geo Prizm (1989) – 4-6 per engine
-   Geo Storm (1993-1992) – 4-6 per engine
-   Lexus GS300 (1997-1994) – 4-6 per engine
-   Lexus SC300 (1992) – 4-6 per engine
-   Lexus SC300 (1998-1994) – 4-6 per engine
-   Pontiac Vibe (2008-2003) – 4-6 per engine
-   Saturn SC (1992-1991) – 4-6 per engine
-   Saturn SC2 (2002-1993) – 4-6 per engine
-   Saturn SL2 (2002-1991) – 4-6 per engine
-   Saturn SW2 (2001-1993) – 4-6 per engine
-   Scion xB (2015-2012) – 4-6 per engine
-   Toyota 4Runner (2000) – 4-6 per engine
-   Toyota Celica (1990) – 4-6 per engine
-   Toyota Celica (2005-2000) – 4-6 per engine
-   Toyota Corolla (2008-2000) – 4-6 per engine
-   Toyota Corolla (2012) – 4-6 per engine
-   Toyota Echo (2000) – 4-6 per engine
-   Toyota Matrix (2008-2003) – 4-6 per engine
-   Toyota Matrix (2013-2012) – 4-6 per engine
-   Toyota MR2 (1991) – 4-6 per engine
-   Toyota MR2 Spyder (2005-2000) – 4-6 per engine
-   Toyota Paseo (1995-1992) – 4-6 per engine
-   Toyota Previa (1995-1991) – 4-6 per engine
-   Toyota Prius (2009-2001) – 4-6 per engine

That is the 25 most common of 28 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: 3324, 3353, 4503, 4701, IK16TT, PK16TT, SK16R-P11, SK16R11
-   ACDelco: 94859448

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 27.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 27.00 AUD | In stock |

## Images

- IFR5T11 NGK iridium spark plug
- IFR5T11 NGK iridium spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/ifr5t11-ngk-iridium-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03