# B6ES NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B6ES**

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: 7432
-   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.

-   Crusader BOAT BUILDER-CS100 – Inboard Engine
-   Crusader BOAT BUILDER-CS150 – Inboard Engine
-   Crusader BOAT BUILDER-CS165 – Inboard Engine
-   Crusader BOAT BUILDER-CS280 – Inboard Engine
-   Crusader BOAT BUILDER-CS320 – Inboard Engine
-   Crusader CHARGER-CS280 – Inboard Engine
-   Crusader CHARGER-CS320 – Inboard Engine
-   Crusader MARK 240 – Inboard Engine
-   Crusader MARK 280 – Inboard Engine
-   Flagship 155 (292 CID) – Inboard Engine
-   Omc (1974-1973) – Inboard Engine
-   Omc CU – Inboard Engine
-   Omc GU – Inboard Engine
-   Omc LU – Inboard Engine
-   Omc SU – Inboard Engine
-   Omc VU – Inboard Engine
-   Yamaha 110 (1966-1963) – Inboard Engine
-   Aprilia RC 50 (50, 1982-1979) – Motorcycle
-   B.S.A. B32 – Motorcycle
-   B.S.A. B34 - ALUMINUM HEADS – Motorcycle
-   B.S.A. B40 – Motorcycle
-   B.S.A. C15/T – Motorcycle
-   Benelli-Motobi TORNADO 650 (650) – Motorcycle
-   Beta 240 TRIALS (250) – Motorcycle
-   Beta TR (250) – Motorcycle

That is the 25 most common of 113 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.

-   ACDelco: 44N, 44XL, 45XL, C43N, C44N, C44XL, S44XL
-   DENSO: 3051, 3053, 3054, W20ES, W20ES-L, W20ES-U, W20ES-ZU
-   Bosch: 7598, W7C, W7CC, W7CC0, W7CP
-   Champion: N5, N5G, N6, N8
-   Magneti Marelli: CW67L, CW78L, CW7L, CW7LJ
-   Motorcraft: AG3, AG3C, AG3X, AGS3C
-   Autolite: 2616, 394, 4056
-   Brisk: L17, L17C
-   Accel: 115
-   Beck Arnley: 1765002

3 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

- B6ES NGK spark plug
- B6ES NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b6es-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03