# ILTR6E11 NGK Iridium Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Iridium Spark Plug – Part Number: ILTR6E11**

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: 90117
-   Thread: 14 mm
-   Reach: 25 mm
-   Hex: 16 mm (5/8 in)
-   Seat: Tapered
-   Terminal: Solid
-   Type: Projected, Wide Gap

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Buick Allure (2008-2006) – 6-16 per engine
-   Buick Allure (2010) – 6-16 per engine
-   Buick Enclave (2017-2008) – 6-16 per engine
-   Buick LaCrosse (2008-2006) – 6-16 per engine
-   Buick LaCrosse (2016-2010) – 6-16 per engine
-   Cadillac ATS (2015-2013) – 6-16 per engine
-   Cadillac CTS (2015-2006) – 6-16 per engine
-   Cadillac SRX (2016-2006) – 6-16 per engine
-   Cadillac XTS (2017-2013) – 6-16 per engine
-   Chevrolet Camaro (2015-2010) – 6-16 per engine
-   Chevrolet Caprice (2017-2012) – 6-16 per engine
-   Chevrolet Captiva Sport (2012) – 6-16 per engine
-   Chevrolet Colorado (2016-2015) – 6-16 per engine
-   Chevrolet Equinox (2017-2008) – 6-16 per engine
-   Chevrolet Impala (2017-2012) – 6-16 per engine
-   Chevrolet Impala Limited (2016-2014) – 6-16 per engine
-   Chevrolet Malibu (2012-2008) – 6-16 per engine
-   Chevrolet Traverse (2017-2009) – 6-16 per engine
-   Ford E-350 Super Duty (2017) – 6-16 per engine
-   Ford F-150 (2014-2010) – 6-16 per engine
-   Ford F-250 Super Duty (2017-2011) – 6-16 per engine
-   Ford F-350 Super Duty (2017-2011) – 6-16 per engine
-   Gmc Acadia (2016-2007) – 6-16 per engine
-   Gmc Acadia Limited (2017) – 6-16 per engine
-   Gmc Canyon (2016-2015) – 6-16 per engine

That is the 25 most common of 35 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.

-   ACDelco: 12622561, 19300872, 41-107, 41-109
-   Bosch: 8171, 9616, HR7NII33X, HR8NPP302
-   Champion: 7004, 9299
-   DENSO: 4719, ITV20TT

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 28.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.00 AUD | In stock |

## Images

- ILTR6E11 NGK iridium spark plug
- ILTR6E11 NGK iridium spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/iltr6e11-ngk-iridium-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03