# PTR5D-10 NGK Platinum Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Platinum Spark Plug – Part Number: PTR5D-10**

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: 3784
-   Thread: 14 mm
-   Reach: .708"
-   Hex: 16 mm (5/8 in)
-   Seat: Tapered
-   Terminal: Solid
-   Type: Projected

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Aston Martin DB7 (2004) – 4-12 per engine
-   Buick Allure (2009-2008) – 4-12 per engine
-   Buick LaCrosse (2009-2008) – 4-12 per engine
-   Buick Rainier (2007-2004) – 4-12 per engine
-   Cadillac CTS (2007-2004) – 4-12 per engine
-   Cadillac Escalade (2000-1999) – 4-12 per engine
-   Cadillac Escalade (2014-2002) – 4-12 per engine
-   Cadillac Escalade ESV (2014-2003) – 4-12 per engine
-   Cadillac Escalade EXT (2013-2002) – 4-12 per engine
-   Cadillac SRX (2006-2004) – 4-12 per engine
-   Cadillac STS (2006-2005) – 4-12 per engine
-   Cadillac XLR (2006-2004) – 4-12 per engine
-   Chevrolet Avalanche (2013-2007) – 4-12 per engine
-   Chevrolet Avalanche 1500 (2006-2002) – 4-12 per engine
-   Chevrolet C1500 (1999-1998) – 4-12 per engine
-   Chevrolet C1500 Suburban (1999-1998) – 4-12 per engine
-   Chevrolet C2500 (2000-1998) – 4-12 per engine
-   Chevrolet C2500 Suburban (1999-1998) – 4-12 per engine
-   Chevrolet C3500 (2000-1998) – 4-12 per engine
-   Chevrolet Camaro (2002-1998) – 4-12 per engine
-   Chevrolet Camaro (2015-2010) – 4-12 per engine
-   Chevrolet Caprice (2017-2011) – 4-12 per engine
-   Chevrolet Cavalier (2002-1999) – 4-12 per engine
-   Chevrolet Colorado (2012-2009) – 4-12 per engine
-   Chevrolet Corvette (2013-1997) – 4-12 per engine

That is the 25 most common of 105 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.

-   Bosch: 4304, 4305, 8104, 8119, HGR8DDP, HGR9DDP, HR8DPP33X, HR8LPP33U
-   Autolite: APP104, APP104DP2, APP105, APP106
-   DENSO: 4511, 4713, IT16TT, PT16TT
-   ACDelco: 41-805, 41-962
-   Motorcraft: AGRF22PP1, AGSF32FEM
-   Champion: 7015-2

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 43.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 43.00 AUD | In stock |

## Images

- PTR5D-10 NGK platinum spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/ptr5d-10-ngk-platinum-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03