# BR4HS NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Resistor Spark Plug – Part Number: BR4HS**

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: 3322
-   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 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.

-   Honda E1500K4 (5HP HONDA G200) – Lighting Plants and Generator
-   Honda E2500K4 (7HP HONDA G300) – Lighting Plants and Generator
-   Honda E3500K1 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EB3000 (7HP HONDA G300) – Lighting Plants and Generator
-   Honda EB4000 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda ED1000K4 (5HP G200 (FROM 1556008)) – Lighting Plants and Generator
-   Honda ED1000K4 (5HP G200 (TO 1556007)) – Lighting Plants and Generator
-   Honda EG1000A (3.5HP HONDA G150) – Lighting Plants and Generator
-   Honda EG1000Z (3.5HP HONDA G150 (FROM 1380695)) – Lighting Plants and Generator
-   Honda EG1400Z (3.5HP HONDA G150 (FROM 1380695)) – Lighting Plants and Generator
-   Honda EG1500K4 (5HP G200 (FROM 1556008)) – Lighting Plants and Generator
-   Honda EG1500K4 (5HP G200 (TO 1556007)) – Lighting Plants and Generator
-   Honda EG1800Z (5HP G200 (FROM 1556008)) – Lighting Plants and Generator
-   Honda EM1600 (5HP GE200) – Lighting Plants and Generator
-   Honda EM1600K4 (5HP G200 (FROM 1556008)) – Lighting Plants and Generator
-   Honda ES3500K1, K2 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EW170 (10HP HONDA GE400) – Lighting Plants and Generator
-   Honda EX100 – Lighting Plants and Generator
-   John Deere 5000 – Lighting Plants and Generator
-   Kawasaki KG5000 ((FROM 1983)) – Lighting Plants and Generator
-   Honda HRS21 (3.5HP HONDA GXV110) – Lawnmower
-   Maxim Mfg (4.6HP HONDA GC160) – Lawnmower
-   Snow Thrower HS 35 (3.5HP HONDA G150 (To 1909578)) – Outdoor Power Equipment
-   Snow Thrower HS 50 (5HP G200 (From 1556008)) – Outdoor Power Equipment
-   Snow Thrower HS 70 (7HP HONDA G300) – Outdoor Power Equipment

That is the 25 most common of 57 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.

-   Bosch: W9AO, WR10A, WR10AC
-   Champion: RL19
-   DENSO: 4017
-   John Deere: TY6126

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 13.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 13.00 AUD | In stock |

## Images

- BR4HS NGK spark plug
- BR4HS NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/br4hs-ngk-standard-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03