# BP4HS NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: BP4HS**

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: 3611
-   Thread: 14 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Type: Projected

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and lawn, garden and commercial equipment. The chart shows a 0.5 mm gap for these engines, but check it against your engine's manual before fitting.

-   Honda NA50 (50, 1981-1979) – Motorcycle
-   Honda NC50 (50, 1981-1977) – Motorcycle
-   Suzuki F50 (50, 1971-1970) – Motorcycle
-   Suzuki FA50 (50, 1984-1981) – Motorcycle
-   Suzuki FA50 (50, 1991-1987) – Motorcycle
-   Suzuki FS50 (50, 1981) – Motorcycle
-   Suzuki FZ50 (50, 1982-1979) – Motorcycle
-   Suzuki JR50 (50, 1993-1979) – Motorcycle
-   Suzuki MT50 (50, 1973-1970) – Motorcycle
-   Yamaha MJ50 (50, 1982) – Motorcycle
-   Yamaha PW50 (50, 2009-1981) – Motorcycle
-   Yamaha PW50 (50, 2016-2012) – Motorcycle
-   Yamaha QT50 (50, 1988-1979) – Motorcycle
-   Suzuki ALT-50 - TRAILBUDDY (50, 1984-1983) – ATV
-   Suzuki ALT-50 (50, 1988) – ATV
-   Suzuki LT-50 - QUADSPORT (50, 1987-1984) – ATV
-   Columbia Parcar ALL MODELS (1995-1982) – Golf Cart
-   Kubota A800 (GS130) – Lighting Plants and Generator
-   Kubota A1000, A1200, A1400 (GS130) – Lighting Plants and Generator
-   Kubota A2400, A3050 (GS280) – Lighting Plants and Generator
-   Kubota A3500 (GS280) – Lighting Plants and Generator
-   Nissan GX4000 (7.5HP KAWASAKI) – Lighting Plants and Generator
-   Shindaiwa G4000 – Lighting Plants and Generator
-   Subaru-Robin RGK161 – Lighting Plants and Generator
-   Subaru-Robin RGK301 – Lighting Plants and Generator

That is the 25 most common of 52 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: 4013, 4014, 4015, W14FP-L, W14FP-U, W14FP-UL, W14FPR
-   Champion: L15Y, L95Y
-   Torch: E4TC, E6T
-   Autolite: 517
-   Gator/Oregon: 77-320
-   John Deere: ET12355
-   Motorcraft: AV82

## 📦 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

- BP4HS NGK spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/bp4hs-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03