# CMR7H NGK Standard Compact Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Compact Spark Plug – Part Number: CMR7H**

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: 3066
-   Thread: 10 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: Compact

## 🚘 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.

-   Husqvarna 543XP (43.1cc 2.95HP) – Chainsaw
-   Redmax GZ3500T – Chainsaw
-   Redmax GZ4500 – Chainsaw
-   Echo PE-2620 (25.4cc) – Outdoor Power Equipment
-   Echo SRM-2620 (25.4cc) – Outdoor Power Equipment
-   Echo SRM-2620T (25.4cc) – Outdoor Power Equipment
-   Echo SRM-2620U (25.4cc) – Outdoor Power Equipment
-   Blower 180BF (72cc) – Outdoor Power Equipment
-   Hedge Trimmer 226HD60S (1.15HP) – Outdoor Power Equipment
-   Hedge Trimmer 226HD75S (1.15HP) – Outdoor Power Equipment
-   Hedge Trimmer 226HS75S (1.15HP) – Outdoor Power Equipment
-   Hedge Trimmer 226HS99S (1.15HP) – Outdoor Power Equipment
-   Blower BB 2250 (50.2cc) – Outdoor Power Equipment
-   Blower EBZ5150 (50.2cc) – Outdoor Power Equipment
-   Blower EBZ5150RH (50.2cc) – Outdoor Power Equipment
-   Blower EBZ6500 (65.6cc) – Outdoor Power Equipment
-   Blower EBZ6500RH (65.6cc) – Outdoor Power Equipment
-   Blower EBZ7500 (65.6cc) – Outdoor Power Equipment
-   Blower EBZ7500RH (65.6cc) – Outdoor Power Equipment
-   Blower EBZ8500 (75.6cc) – Outdoor Power Equipment
-   Blower EBZ8500RH (75.6cc) – Outdoor Power Equipment
-   Blower HBZ2610 (25.4cc) – Outdoor Power Equipment
-   Edger HEZ2610F, HEZ2650, HEZ2460, HEZ3060 – Outdoor Power Equipment
-   Edger HEZ2650F (25.4cc) – Outdoor Power Equipment
-   Hedge Trimmer CHTZ2460 (23.6cc) – Outdoor Power Equipment

That is the 25 most common of 37 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: 965, RZ7C
-   Jenn Feng: 9295-310502
-   John Deere: TY26714
-   Torch: AC7R

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 18.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18.00 AUD | In stock |

## Images

- CMR7H NGK spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/cmr7h-ngk-standard-compact-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03