# BR8ET NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: BR8ET**

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: 6612
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: 14mm Spark Plugs cont'd 3-Ground Electrode

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Mazda RX-7 (1980) – 4 per engine

## 🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

-   DENSO: 3100, 3102, 3103, W25EA, W25EB, W25EBR
-   Beck Arnley: 1765124, 1765221
-   Bosch: WR3CTC
-   Motorcraft: AGR16C

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 31.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 31.00 AUD | In stock |

## Images

- BR8ET NGK spark plug
- BR8ET NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/br8et-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03