# B-4H NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: B-4H**

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: 4110

## 🚘 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.

-   Suzuki DT2 (2 HP, 1989-1977) – Outboard Engine
-   Manco (6.5 HP ROBIN) – Race Carts / Go-Kart
-   Clarke (7.8HP ROBIN) – Lighting Plants and Generator
-   Honda E1500 (4HP HONDA G41) – Lighting Plants and Generator
-   Honda E2500 (7HP HONDA G300) – Lighting Plants and Generator
-   Honda E3500 (10HP HONDA G400) – Lighting Plants and Generator
-   Honda EG1500 (4HP HONDA G41) – Lighting Plants and Generator
-   Honda ER1500 (4HP HONDA G41) – Lighting Plants and Generator
-   Mcculloch MPP1500E – Lighting Plants and Generator
-   Mcculloch MPP2300E – Lighting Plants and Generator
-   Mcculloch MPP3500E – Lighting Plants and Generator
-   Mcculloch MPP600E, MPP800E – Lighting Plants and Generator
-   Ariens (SACHS) – Lawnmower
-   Grass Cut – Lawnmower
-   Pro-Master (WISCONSIN EY18W) – Lawnmower
-   Ec Series Air-Cooled 1 Cyl. 2-Stroke EC17 D/DS/B (6.5HP) – Power Equipment Engine
-   Ex Series 4-Stroke Ohc EY44 D/DS/B/BS (7.8HP) – Power Equipment Engine
-   Fuji Robin EC10 (../ D / B) – Commercial Engine
-   Fuji Robin EC17 – Commercial Engine
-   Fuji Robin EC17B – Commercial Engine
-   Fuji Robin EC17D – Commercial Engine
-   Fuji Robin EC17DS – Commercial Engine
-   Fuji Robin EC21 – Commercial Engine
-   Fuji Robin EC35K – Commercial Engine
-   Fuji Robin EY21 – Commercial Engine

That is the 25 most common of 88 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: AE7, AE8, AV6, AV6C, AV6CU
-   DENSO: 4012, W14F, W14F-U, W14F-U10
-   Bosch: W12A, W9A, W9A0
-   ACDelco: 420Z, 47FF
-   Autolite: 417, 536
-   Champion: L14

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 12.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.00 AUD | In stock |

## Images

- B-4H NGK spark plug
- B-4H NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/b-4h-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03