# B7HS NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B7HS**

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: 5110
-   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 and automotive vehicles. 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.

-   Chrysler M122A (4 CYL) – Inboard Engine
-   Chrysler M122B (4 CYL) – Inboard Engine
-   Chrysler M183B (6 CYL) – Inboard Engine
-   Hardin H405TC (1990-1978) – Inboard Engine
-   Surf Jet FUJI LC25 (260, 1997-1980) – Personal Watercraft
-   Yamaha WAVERAIDER (RA700B) (700, 1997) – Personal Watercraft
-   Yamaha WAVERUNNER SUPERJET (SJ700) (700, 2001-1997) – Personal Watercraft
-   Yamaha WAVERUNNER SUPERJET (SJ700) (700, 2016-2006) – Personal Watercraft
-   Yamaha WAVEJAMMER (WJ500) (500, 1990-1987) – Personal Watercraft
-   Yamaha WAVERUNNER (WR500) (500, 1993-1987) – Personal Watercraft
-   Atk 50 MINI CROSS - 2-STROKE (50, 2001-1999) – Motorcycle
-   Atk 50 MX - 2-STROKE (50, 2003-1999) – Motorcycle
-   Atk 50 MXR - 2-STROKE (50, 2002-2001) – Motorcycle
-   B.S.A. A7 (500) – Motorcycle
-   B.S.A. D3 (150) – Motorcycle
-   B.S.A. D9 BANTAM (125) – Motorcycle
-   B.S.A. ARIEL 3 (50) – Motorcycle
-   B.S.A. B32 - CAST IRON HEADS – Motorcycle
-   B.S.A. B33 – Motorcycle
-   B.S.A. B34 - CAST IRON HEADS – Motorcycle
-   B.S.A. BANTAM SUPREME – Motorcycle
-   B.S.A. C12 – Motorcycle
-   B.S.A. D1 FROM 1954 – Motorcycle
-   B.S.A. D5 – Motorcycle
-   B.S.A. D7 – Motorcycle

That is the 25 most common of 265 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: 807-1, 807C, 811, 811-1, 811C, 811M, 811S, 835 and 14 more
-   Autolite: 2636, 2653, 2654, 4092, 4092DP, 4093, 4093DP, 413
-   Motorcraft: AE1C, AE1X, AE2, AE2C, AE2X, AV2C, AV2CU, AV2X
-   ACDelco: 430Z, M42FF, MC42F, S42F
-   Magneti Marelli: CW250A, CW260N, CW8N, CWC9NJ
-   Bosch: W4C3, W5A, W5AC
-   DENSO: 4025, W22FS, W22FS-U
-   Brisk: N15, N15C
-   Beck Arnley: 1765006
-   E3: E3.32

2 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:** 8.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.00 AUD | In stock |

## Images

- B7HS NGK spark plug

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b7hs-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03
