# PLKR7A NGK Platinum Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Platinum Spark Plug – Part Number: PLKR7A**

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: 4288
-   Thread: 12 mm
-   Reach: 26.5 mm (1.04 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: Projected

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Dodge Sprinter 2500 (2008-2007) – 6-8 per engine
-   Dodge Sprinter 3500 (2008-2007) – 6-8 per engine
-   Freightliner Sprinter 2500 (2008-2007) – 6-8 per engine
-   Freightliner Sprinter 3500 (2008-2007) – 6-8 per engine
-   Mercedes-Benz C230 (2009-2006) – 6-8 per engine
-   Mercedes-Benz C250 (2012-2010) – 6-8 per engine
-   Mercedes-Benz C280 (2007-2006) – 6-8 per engine
-   Mercedes-Benz C300 (2012-2008) – 6-8 per engine
-   Mercedes-Benz C350 (2011-2006) – 6-8 per engine
-   Mercedes-Benz CL550 (2010-2007) – 6-8 per engine
-   Mercedes-Benz CLK350 (2009-2006) – 6-8 per engine
-   Mercedes-Benz CLK550 (2009-2007) – 6-8 per engine
-   Mercedes-Benz CLS550 (2011-2007) – 6-8 per engine
-   Mercedes-Benz E280 (2007) – 6-8 per engine
-   Mercedes-Benz E300 (2009-2008) – 6-8 per engine
-   Mercedes-Benz E350 (2011-2006) – 6-8 per engine
-   Mercedes-Benz E550 (2011-2007) – 6-8 per engine
-   Mercedes-Benz G550 (2015-2009) – 6-8 per engine
-   Mercedes-Benz GL450 (2012-2007) – 6-8 per engine
-   Mercedes-Benz GL550 (2012-2008) – 6-8 per engine
-   Mercedes-Benz GLK350 (2012-2010) – 6-8 per engine
-   Mercedes-Benz ML350 (2011-2006) – 6-8 per engine
-   Mercedes-Benz ML450 (2011-2010) – 6-8 per engine
-   Mercedes-Benz ML500 (2006-2005) – 6-8 per engine
-   Mercedes-Benz ML550 (2011-2008) – 6-8 per engine

That is the 25 most common of 34 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: 7019, 9408
-   Bosch: YR7MPP33
-   Torch: LDKRTPP

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 39.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 39.00 AUD | In stock |

## Images

- PLKR7A NGK platinum spark plug
- PLKR7A NGK platinum spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/plkr7a-ngk-platinum-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03