# B9HS NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B9HS**

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: 5810
-   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. 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.

-   Bultaco SHERPA S (100) – Motorcycle
-   Cobra Moto BM50 (50, 1998-1994) – Motorcycle
-   Cobra Moto CM50 (50, 1999-1997) – Motorcycle
-   Cobra Moto KING COBRA (50, 1997) – Motorcycle
-   Cz 125 MX GP (125) – Motorcycle
-   Hodaka COMBAT WOMBAT (125) – Motorcycle
-   Hodaka SUPER WOMBAT (125) – Motorcycle
-   Hodaka SUPER RAT/98 (100) – Motorcycle
-   Jawa GS360 (360) – Motorcycle
-   Jawa GS350, 350JSDT (350) – Motorcycle
-   Kawasaki H2 (750, 1975-1972) – Motorcycle
-   Kawasaki H1-B - MAG (500, 1972) – Motorcycle
-   Kawasaki H1-D (500, 1973) – Motorcycle
-   Kawasaki H1-E (500, 1974) – Motorcycle
-   Kawasaki H1-F (500, 1975) – Motorcycle
-   Kawasaki KH500 (500, 1976) – Motorcycle
-   Kawasaki KX450 (450, 1974) – Motorcycle
-   Kawasaki A7 (350, 1968-1967) – Motorcycle
-   Kawasaki A7SS (350, 1968-1967) – Motorcycle
-   Kawasaki S2 (350, 1973-1972) – Motorcycle
-   Kawasaki F11 (250, 1975-1973) – Motorcycle
-   Kawasaki F11M (250, 1973) – Motorcycle
-   Kawasaki KH250-A (250, 1976) – Motorcycle
-   Kawasaki S1 (250, 1973) – Motorcycle
-   Kawasaki F7 (175, 1975-1971) – Motorcycle

That is the 25 most common of 69 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: AE901, AE91, AV901C, AV901CU
-   DENSO: 4052, W27FS, W27FS-U
-   ACDelco: M40FF, S40F
-   Bosch: W2A, W2AC
-   Autolite: 411
-   Champion: L2G

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 11.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11.00 AUD | In stock |

## Images

- B9HS NGK spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b9hs-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03