# B10ES NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B10ES**

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: 7928
-   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 chart shows a 0.5 mm gap for these engines, but check it against your engine's manual before fitting.

-   Atk 125 LIQUID COOLED - 2-STROKE (125, 2003-1999) – Motorcycle
-   B.S.A. GOLD STAR RACER COMPETITION – Motorcycle
-   Bultaco PURSANG - FRONT PLUG (370) – Motorcycle
-   Bultaco ASTRO - FRONT PLUG (360) – Motorcycle
-   Bultaco BANDITO - FRONT PLUG (360) – Motorcycle
-   Bultaco PURSANG - FRONT PLUG (360) – Motorcycle
-   Bultaco ASTRO - FRONT PLUG (350) – Motorcycle
-   Bultaco PURSANG - FRONT PLUG (350) – Motorcycle
-   Bultaco ASTRO - FRONT PLUG (250) – Motorcycle
-   Bultaco PURSANG - FRONT PLUG (250) – Motorcycle
-   Bultaco PURSANG (200) – Motorcycle
-   Bultaco SHERPA S (200) – Motorcycle
-   Bultaco PURSANG (175) – Motorcycle
-   Bultaco SHERPA S (175) – Motorcycle
-   Bultaco LOBITO (125) – Motorcycle
-   Bultaco PURSANG (125) – Motorcycle
-   Bultaco SHERPA S (125) – Motorcycle
-   Can-Am 250 ROADRACER (250, 1985-1983) – Motorcycle
-   Derbi CARRERAS CLIENTE RAN (50) – Motorcycle
-   Derbi GPR-50R (50) – Motorcycle
-   Harley-Davidson MX250 (250) – Motorcycle
-   Kawasaki H1R (500, 1971-1970) – Motorcycle
-   Kawasaki KX125-B (125, 1983) – Motorcycle
-   Kawasaki KX125-C (125, 1984) – Motorcycle
-   Kawasaki KX125-D (125, 1985) – Motorcycle

That is the 25 most common of 73 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: 2592, 2611, 4051
-   Bosch: W2C, W2C0, W2CC
-   DENSO: 4062, W31ES, W31ES-U
-   Champion: N1, N57
-   ACDelco: S40XL
-   Motorcraft: AG501

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 13.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 13.00 AUD | In stock |

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b10es-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03