# D7EA NGK Standard Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Standard Spark Plug – Part Number: D7EA**

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: 7912
-   Thread: 12 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 18 mm
-   Seat: Gasket
-   Terminal: Threaded stud

## 🚘 Application

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

-   Bmw K100 LT (1000, 1992-1986) – Motorcycle
-   Bmw K100 RS (1000, 1989-1984) – Motorcycle
-   Bmw K75 (750, 1995-1994) – Motorcycle
-   Bmw K75/2 (750, 1995-1990) – Motorcycle
-   Bmw K75C (750, 1990-1985) – Motorcycle
-   Bmw K75RT (750, 1995-1989) – Motorcycle
-   Bmw K75S (750, 1995-1986) – Motorcycle
-   Bmw K75T (750, 1987-1986) – Motorcycle
-   Honda CB550F (550, 1977-1975) – Motorcycle
-   Honda CB550K (550, 1978-1974) – Motorcycle
-   Honda CB500F (500, 1973-1971) – Motorcycle
-   Honda TL250 (250, 1976-1975) – Motorcycle
-   Yamaha TT600 (600, 1984-1983) – Motorcycle
-   Yamaha XT550 (550, 1983-1982) – Motorcycle
-   Yamaha SR185 (185, 1982-1981) – Motorcycle
-   Kawasaki KLT110 (110, 1985-1984) – ATV
-   Motofino MF250DB (250, 2007-2005) – ATV
-   Suzuki LT-F300F (300, 2002-1999) – ATV
-   Suzuki LT-250 (250, 1993-1988) – ATV
-   Suzuki LT-F250 - QUADRUNNER (250, 2001-1988) – ATV
-   Suzuki LT-230 (230, 1993-1985) – ATV
-   Suzuki LT-F230G (230, 1987) – ATV
-   Suzuki ALT-185 (185, 1985) – ATV
-   Suzuki LT-185 - QUADRUNNER (185, 1987-1984) – ATV
-   Suzuki LT-160E (160, 1989) – ATV

That is the 25 most common of 36 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: A10, A8, P-A5HC, P-A7HC, R8
-   Torch: D7, D7CA, D7RC
-   Autolite: 4164, 4164DP
-   DENSO: 4090, X22ES-U
-   ACDelco: S123XL
-   Beck Arnley: 1765230

## 📦 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

- D7EA NGK spark plug
- D7EA NGK spark plug firing end

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/d7ea-ngk-standard-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03