# B7ES NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B7ES**

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: 1111
-   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.

-   Flagship 300 (427 CID, 1974-1971) – Inboard Engine
-   B.S.A. B44 (440) – Motorcycle
-   B.S.A. BANTAM 175 (175) – Motorcycle
-   B.S.A. BUSHMAN (175) – Motorcycle
-   B.S.A. D14 BANTAM (175) – Motorcycle
-   B.S.A. A10RGS – Motorcycle
-   B.S.A. A10RR – Motorcycle
-   B.S.A. A10SR – Motorcycle
-   B.S.A. A50 – Motorcycle
-   B.S.A. A7SS – Motorcycle
-   B.S.A. B32 - ALUMINUM HEADS – Motorcycle
-   B.S.A. B40SS 90 – Motorcycle
-   B.S.A. B50 SS GOLD STAR – Motorcycle
-   B.S.A. C15SS 80 – Motorcycle
-   B.S.A. D10 – Motorcycle
-   Benelli-Motobi ENDURO (175) – Motorcycle
-   Benelli-Motobi 125 2C (125) – Motorcycle
-   Benelli-Motobi PANTHER (125) – Motorcycle
-   Benelli-Motobi TRIAL-TURISMO (100) – Motorcycle
-   Benelli-Motobi CITY BIKE (50) – Motorcycle
-   Benelli-Motobi FIREBALL (50) – Motorcycle
-   Benelli-Motobi MAGNUM 3V (50) – Motorcycle
-   Benelli-Motobi MINI BIKE (50) – Motorcycle
-   Benelli-Motobi MINI CROSS (50) – Motorcycle
-   Benelli-Motobi MONACO (50) – Motorcycle

That is the 25 most common of 130 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.

-   Motorcraft: AG1, AG1CX, AG2, AG2C, AG2CU, AG2X, AGS2C
-   Champion: 803, 803C, N4, N4C, N4G, N7
-   ACDelco: 43N, 43XL, C42N, S43XL
-   DENSO: 3093, W22ES, W22ES-U
-   Autolite: 2615, 393
-   Bosch: W4C2, W5C
-   Brisk: L15, L15C
-   Magneti Marelli: CW8L, CW8LJ
-   Accel: 143
-   Beck Arnley: 1765004

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

## Variants

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

## Images

- B7ES NGK spark plug
- B7ES NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b7es-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03