# MAR9A-J NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: MAR9A-J**

Spark plugs are a critical engine component, providing the spark that ignites the air-fuel mixture that drives an engine. NGK spark plugs feature trivalent plating – a silver/chrome-coloured finish on the threads – for corrosion resistance against moisture and chemicals, and are designed to meet or exceed OE standards.

## ⚙️ Key Features

-   Standard nickel centre electrode
-   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
-   Copper core aids in heat removal
-   Triple seals prevent leakage

## 📏 Specifications

-   NGK stock number: 6869
-   Thread: 10 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 14 mm
-   Terminal: Solid
-   Type: 2-Ground Electrode

## 🚘 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.

-   Bmw HP2 SPORT (1170, 2010-2007) – Motorcycle
-   Ducati SUPERBIKE 1299, PANIGLE, R, S (1300, 2016-2015) – Motorcycle
-   Ducati XDIAVEL, S (1262, 2016) – Motorcycle
-   Ducati DIAVEL (1200, 2013-2011) – Motorcycle
-   Ducati MONSTER 1200, R, S (1200, 2016-2014) – Motorcycle
-   Ducati MULTISTRADA 1200 (1200, 2016-2010) – Motorcycle
-   Ducati MULTISTRADA 1200S (1200, 2011-2010) – Motorcycle
-   Ducati SUPERBIKE 1199, PANIGLE, R, S, TRICOLORE (1200, 2014-2012) – Motorcycle
-   Ducati SUPERBIKE 959 PANIGLE (959, 2016) – Motorcycle
-   Ducati HYPERMOTARD 939, SP (939, 2016) – Motorcycle
-   Ducati HYPERSTRADA 939 (939, 2016) – Motorcycle
-   Ducati SUPERBIKE 899 PANIGLE (899, 2015-2014) – Motorcycle
-   Ducati HYPERMOTARD, SP (821, 2015-2013) – Motorcycle
-   Ducati HYPERSTRADA (821, 2015-2013) – Motorcycle
-   Ducati MONSTER 821, DARK, STRIP (821, 2016-2015) – Motorcycle
-   Ducati MONSTER DIESEL (821, 2013) – Motorcycle
-   Husqvarna TR650 STRADA (650, 2013) – Motorcycle
-   Husqvarna TR650 TERRA (650, 2013) – Motorcycle

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 55.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 55.00 AUD | In stock |

## Images

- MAR9A-J NGK spark plug
- MAR9A-J NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/mar9a-j-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03