# CR7HSA NGK Standard Resistor Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Resistor Spark Plug – Part Number: CR7HSA**

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: 4549
-   Thread: 10 mm
-   Reach: 12.7 mm (1/2 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Threaded stud

## 🚘 Application

Listed in NGK's application charts for marine, motorcycle, ATV and snowmobile equipment and 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.

-   Aprilia QUASAR 180 (180, 2004) – Motorcycle
-   Aprilia QUASAR 125 (125, 2004) – Motorcycle
-   Beta ALP 125 (125, 2011-2008) – Motorcycle
-   Beta RR 125 4T (125, 2011-2008) – Motorcycle
-   Beta RR ENDURO 4T 125 (125, 2011-2008) – Motorcycle
-   Beta URBAN 125 (125, 2011-2008) – Motorcycle
-   Dazon ARIES 125 (125) – Motorcycle
-   Dazon SCORPION 125 (125) – Motorcycle
-   Dazon SICILIAN 125 (125) – Motorcycle
-   Dazon WILDCAT 125 (125) – Motorcycle
-   Dazon DIAMONDBACK 50 (50) – Motorcycle
-   Dazon SICILIAN 50 (50) – Motorcycle
-   Diamo FURY 150 (150) – Motorcycle
-   Diamo RETRO 150 (150) – Motorcycle
-   Diamo TRACER 150 (150) – Motorcycle
-   Diamo VELUX 150 (150) – Motorcycle
-   Diamo AERO 50 (50) – Motorcycle
-   Diamo RETRO 50 (50) – Motorcycle
-   Honda CRF100F (100, 2011-2004) – Motorcycle
-   Honda NSF100 (100, 2006) – Motorcycle
-   Honda XR100 (100, 2003-1989) – Motorcycle
-   Honda CRF80F (80, 2011-2004) – Motorcycle
-   Honda XR80 (80, 1984-1982) – Motorcycle
-   Honda XR80R (80, 2003-1985) – Motorcycle
-   Honda P50 (50, 1968-1967) – Motorcycle

That is the 25 most common of 148 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: 808, PRZ9HC, RZ96C, Z9Y
-   DENSO: 4008, U22FS-L, U22FSR-L, U22FSR-U
-   Torch: A7RC, A7RTC, A7TC
-   Gator/Oregon: 0H8097
-   Generac: 0H8097

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 9.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.00 AUD | In stock |

## Images

- CR7HSA NGK spark plug
- CR7HSA NGK spark plug firing end

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/cr7hsa-ngk-standard-resistor-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03