# AB-6 NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: AB-6**

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: 2910
-   Thread: 18 mm
-   Reach: 12 mm
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and lawn, garden and commercial equipment. The gap is not the same on all of them – the chart lists between 0.5 mm and 1.0 mm depending on the engine, so check the line for yours.

-   Volvo-Penta C10 – Inboard Engine
-   Volvo-Penta C23 – Inboard Engine
-   Volvo-Penta C5 – Inboard Engine
-   Evinrude (9.7 HP, 1949-1942) – Outboard Engine
-   Evinrude 18MM HEADS (1950-1939) – Outboard Engine
-   Johnson (9.7 HP, 1949-1942) – Outboard Engine
-   Johnson (1950-1939) – Outboard Engine
-   Jlo/Rockwell - Snowmobile Engines L252 (252)
-   Jlo/Rockwell - Snowmobile Engines L197 (197)
-   Jlo/Rockwell - Snowmobile Engines L152 (152)
-   Moto-Ski SPIRIT (250, 1983-1976) – Snowmobile
-   Ski-Doo OLYMPIQUE (300, 1974-1973) – Snowmobile
-   Ski-Doo OLYMPIQUE - 18MM PLUG (300, 1977) – Snowmobile
-   Ski-Doo ELAN - 18MM PLUG (250, 1996-1973) – Snowmobile
-   Lindig KT-15, KT15K – Chainsaw
-   Lindig L-25 – Chainsaw
-   Magnum Diamond PAVEMENT SAW (37HP WISCONSIN) – Chainsaw
-   Pioneer L – Chainsaw
-   Delco Lite 1 SERIES A1 – Lighting Plants and Generator
-   Delco Lite 8 SERIES EABW3 – Lighting Plants and Generator
-   Delco Lite 8 SERIES EBA3, EBW3 – Lighting Plants and Generator
-   Delco Lite 8 SERIES ECW3 – Lighting Plants and Generator
-   Delco Lite 8 SERIES ERBW3 – Lighting Plants and Generator
-   Delco Lite 15 SERIES C1 – Lighting Plants and Generator
-   Delco Lite 15 SERIES FA1 – Lighting Plants and Generator

That is the 25 most common of 908 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: 502, 509, 514, 515, 516, 523, 526, 541 and 24 more
-   Autolite: 2697, 2775, 3035, 3116, 375, 376, 377, 378 and 1 more
-   Bosch: 7548, 7549, M10AC, M10AC0, M10ACO, M8AC, M8AC0, M8ACO
-   ACDelco: C85, C86, C87, M86, S85F, TC85, TC86
-   DENSO: 5002, 5088, M17, MW17

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 21.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 21.00 AUD | In stock |

## Images

- AB-6 NGK spark plug
- AB-6 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/ab-6-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03