# BPR4HS-10 NGK Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Resistor Spark Plug – Part Number: BPR4HS-10**

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
-   Projected-nose resistor spark plug
-   Factory-set 1.0mm electrode gap
-   Resistor reduces radio-frequency interference

## 📏 Specifications

-   NGK stock number: 5024
-   Thread: 14 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Type: Projected, Wide Gap

## 🚘 Application

Listed in NGK's application charts for lawn, garden and commercial equipment. The chart shows a 1.0 mm gap for these engines, but check it against your engine's manual before fitting.

-   Honda EM2200 (5HP HONDA G200) – Lighting Plants and Generator
-   Honda EM3000 (7HP HONDA G300) – Lighting Plants and Generator
-   Honda EM4000 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EMS4000 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EMS4500 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EX800 (2.2HP HONDA G100) – Lighting Plants and Generator
-   Kubota AE5500 (GH400) – Lighting Plants and Generator
-   Kubota AE6500 (GH400) – Lighting Plants and Generator
-   Kubota AV5500, AV6500 (GH400) – Lighting Plants and Generator
-   Snow Thrower HS 35 (3.5HP HONDA G150 (From 1909579)) – Outdoor Power Equipment
-   Water Pump WB20 (HONDA GX120 WZAL-1000001 THROUGH) – Outdoor Power Equipment
-   Honda WB30 (HONDA GX160 WZAN-1000001 THROUGH) – Outdoor Power Equipment
-   Water Pump YP20G(N) – Outdoor Power Equipment
-   Honda G150 (W/CDI) (3.5HP) – Power Equipment Engine
-   Honda G300 (W/CDI) (8.0HP) – Power Equipment Engine
-   Honda G400 (W/CDI) (10.0HP) – Power Equipment Engine
-   Kubota HS5, HS6 (GS230-2MI) – Commercial Engine
-   Kubota TF35 (GS150) – Commercial Engine
-   Kubota TF45, TF55 (GS110) – Commercial Engine
-   Tiller TF35 (GS150) – Farm Equipment
-   Tiller TF45 (GS110) – Farm Equipment
-   Tiller TF45, TF55 (GS160) – Farm Equipment
-   Tiller TF55 (GS110) – Farm Equipment
-   Tiller TF65, TF75 (GS200) – Farm Equipment
-   Kubota HS5, HS6 (GS230-2MI) – Industrial Tractors & Lift Truck

That is the 25 most common of 27 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.

-   DENSO: 6012

## 📦 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

- BPR4HS-10 NGK spark plug
- BPR4HS-10 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/bpr4hs-10-ngk-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03