# B6HS NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B6HS**

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: 7534
-   Thread: 14 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket

## 🚘 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.

-   Volvo-Penta B18A – Inboard Engine
-   Volvo-Penta BB100 – Inboard Engine
-   Volvo-Penta BB100A – Inboard Engine
-   Volvo-Penta BB30B – Inboard Engine
-   Volvo-Penta AQ90 – Inboard Engine
-   B.S.A. A10GF (650) – Motorcycle
-   B.S.A. B31 (350) – Motorcycle
-   B.S.A. BEAVER – Motorcycle
-   B.S.A. BOXER – Motorcycle
-   B.S.A. BRIGAND – Motorcycle
-   B.S.A. D1 TO 1954 – Motorcycle
-   B.S.A. D14 BANTAM – Motorcycle
-   B.S.A. M21 - CAST IRON HEADS – Motorcycle
-   B.S.A. M33 – Motorcycle
-   Batavus ALL MODELS – Motorcycle
-   Bennelli 1/2" REACH – Motorcycle
-   Beta BOY CROSS (50) – Motorcycle
-   Beta BOY SPECIAL (50) – Motorcycle
-   Beta GAZZELLA 3V (50) – Motorcycle
-   Beta HOBBY HOLY (50) – Motorcycle
-   Beta SL5 (50) – Motorcycle
-   Bultaco SHERPA T (125) – Motorcycle
-   Bultaco TIRON (100) – Motorcycle
-   Califfo ALL MODELS – Motorcycle
-   Carabela PANTHERA ENDURO, MX (100) – Motorcycle

That is the 25 most common of 390 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: 306, 306C, L10, L7J, L82, L85, L86, L86C and 3 more
-   Magneti Marelli: 62000611304, CW225A, CW67NJ, CW6N, CW6NJ, CW7N, CW7NJ, CWC67NJ and 3 more
-   Bosch: 7596, 7996, W7A, W7A0, W7AC, W7AO, WR7AC+
-   ACDelco: 425F, 425Z, 42F, 42FF, 43F, M43FF
-   DENSO: 3073, 6054, TR20, W20FS, W20FS-U
-   Motorcraft: AE3, AE3C, AE3X, AV3C, AV3CU
-   Autolite: 2655, 414, 424
-   Brisk: N17, N17C
-   Beck Arnley: 1765031
-   Gator/Oregon: 77-321

1 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

- B6HS NGK spark plug
- B6HS NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b6hs-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03