# PGR7A NGK Platinum Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Platinum Spark Plug – Part Number: PGR7A**

NGK spark plugs are built with technology to get an engine firing; the platinum range offers superior ignitability and improved service life over standard plugs, making a great choice as a replacement or upgrade.

## ⚙️ Key Features

-   Platinum-tipped centre electrode for extended service life
-   Improved ignitability over standard plugs
-   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: 3200
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 20.8 mm (13/16 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: Projected

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Alfa Romeo 164 (1993-1991) – 4-12 per engine
-   Audi 5000 (1985-1984) – 4-12 per engine
-   Lamborghini Countach (1981) – 4-12 per engine
-   Maserati 228i (1990-1989) – 4-12 per engine
-   Maserati 425 (1987-1986) – 4-12 per engine
-   Maserati Biturbo (1987) – 4-12 per engine
-   Maserati Spyder (1987-1986) – 4-12 per engine
-   Maserati Spyder (1991-1989) – 4-12 per engine
-   Mercedes-Benz 300SL (1959-1954) – 4-12 per engine
-   Porsche 944 (1989) – 4-12 per engine

## 🔄 Supersession & Cross Reference

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

-   DENSO: 3302, P22PR8

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 42.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 42.00 AUD | In stock |

## Images

- PGR7A NGK platinum spark plug
- PGR7A NGK platinum spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/pgr7a-ngk-platinum-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03