# B9ES NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B9ES**

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: 2611
-   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. 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.

-   Aprilia AS 125 R (125) – Motorcycle
-   Aprilia ETX 125 (125, 1998-1984) – Motorcycle
-   Aprilia TUAREG (125, 1998-1986) – Motorcycle
-   Aprilia TUAREG WIND 125 (I) (125) – Motorcycle
-   Aprilia AF1 50 (50, 1998-1986) – Motorcycle
-   Aprilia ET 50 AE (50, 1998-1987) – Motorcycle
-   Aprilia ET 50 FIRE (50, 1998-1987) – Motorcycle
-   Aprilia GL 50 (50, 1998-1993) – Motorcycle
-   Aprilia LX 50 (50, 1998-1993) – Motorcycle
-   Aprilia RED ROSE 50 (50, 1998-1987) – Motorcycle
-   Aprilia RX 50 (50, 1998-1990) – Motorcycle
-   Aprilia TUAREG 50 (50, 1998-1987) – Motorcycle
-   Beta REV 80 (80, 2008) – Motorcycle
-   Beta REV 80 (80, 2004-2003) – Motorcycle
-   Beta REV50 (50, 2004-2002) – Motorcycle
-   Beta RR50 ENDURO/SUPERMOTO (50, 2003-2001) – Motorcycle
-   Bultaco BANDITO - SINGLE PLUG (360) – Motorcycle
-   Bultaco EL MONTADERO - FRONT PLUG (360) – Motorcycle
-   Bultaco ASTRO - SINGLE PLUG (250) – Motorcycle
-   Bultaco PURSANG - SINGLE PLUG (250) – Motorcycle
-   Cagiva 250 MX (250) – Motorcycle
-   Cagiva 175 SS (175) – Motorcycle
-   Cagiva 175 SX (175) – Motorcycle
-   Cagiva ROADSTER (125, 1997-1994) – Motorcycle
-   Can-Am 500 ASE (500, 1987-1983) – Motorcycle

That is the 25 most common of 213 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.

-   Autolite: 2594, 2612, 2613, 4052, 4053, AR2593, AR2594
-   Champion: 805, 805C, N2, N2C, N2G, N60
-   Motorcraft: AG701, AG701C, AG701CU, AG901, AG901C, AG901CU
-   Bosch: W3C, W3C0, W3CC
-   DENSO: 4046, W27ES, W27ES-U
-   ACDelco: S41XL
-   Accel: 141
-   Beck Arnley: 1765012
-   E3: E3.31
-   e3: E3.31

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 10.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.00 AUD | In stock |

## Images

- B9ES NGK spark plug
- B9ES NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b9es-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03