# B8ES NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B8ES**

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: 2411
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Type: 14mm Spark Plugs cont'd

## 🚘 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.

-   Emerald Bay BANSHEE XS (80 HP, 1996) – Outboard Engine
-   Emerald Bay BANSHEE XS (50 HP, 1996) – Outboard Engine
-   Aprilia RS 50 (50, 2007-2006) – Motorcycle
-   Aprilia RS 50 EXTREMA (50) – Motorcycle
-   Atk 450 AIR COOLED - 2-STROKE (450, 2003) – Motorcycle
-   Atk 406 - 2-STROKE (400, 1996-1988) – Motorcycle
-   Atk 260 LIQUID COOLED - 2-STROKE (260, 2002-1995) – Motorcycle
-   Atk 250 AIR COOLED - 2-STROKE (250, 1996-1988) – Motorcycle
-   Atk 250 LIQUID COOLED - 2-STROKE (250, 2003-1995) – Motorcycle
-   B.S.A. A75 ROCKET (750) – Motorcycle
-   B.S.A. SS GOLD STAR (250) – Motorcycle
-   B.S.A. A50W – Motorcycle
-   B.S.A. A65 – Motorcycle
-   B.S.A. B34 S – Motorcycle
-   B.S.A. B50 MX VICTOR – Motorcycle
-   B.S.A. C15S – Motorcycle
-   B.S.A. C25 – Motorcycle
-   B.S.A. FIREBIRD – Motorcycle
-   B.S.A. FURY – Motorcycle
-   B.S.A. GOLD STAR RACER NORMAL – Motorcycle
-   B.S.A. LIGHTNING – Motorcycle
-   B.S.A. ROYAL STAR – Motorcycle
-   B.S.A. STAR TRIAL – Motorcycle
-   B.S.A. STARFIRE – Motorcycle
-   B.S.A. T.VICTOR – Motorcycle

That is the 25 most common of 439 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: 120, 801, 801C, N3, N3C, N3G, N5C, P-N5C
-   DENSO: 4030, 4031, W24ES, W24ES-U, W24ES-U11
-   Bosch: 7530, W4C, W4C1, W4CC
-   ACDelco: 41XL, 42XL, S42XL
-   Motorcraft: AG1C, AG1X, AG92C
-   Brisk: L14, L14C
-   Magneti Marelli: CW9L, CW9LJ
-   Accel: 142
-   Autolite: 2614
-   Beck Arnley: 1765008

5 further brands cross-refer to this plug in NGK's tables – ask us if yours is not listed.

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 9.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.00 AUD | In stock |

## Images

- B8ES NGK spark plug
- B8ES NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b8es-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03