# PZTR5A-15 NGK Platinum Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Platinum Spark Plug – Part Number: PZTR5A-15**

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: 7862
-   Thread: 14 mm
-   Reach: .708"
-   Hex: 16 mm (5/8 in)
-   Seat: Tapered
-   Terminal: Solid
-   Type: Extended Projection Wide Gap

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Buick Century (1993-1989) – 4-8 per engine
-   Buick Commercial Chassis (1996-1994) – 4-8 per engine
-   Buick Skylark (1993-1989) – 4-8 per engine
-   Buick Skylark (1998-1996) – 4-8 per engine
-   Cadillac 60 Special (1993) – 4-8 per engine
-   Cadillac Allante (1993-1987) – 4-8 per engine
-   Cadillac Commercial Chassis (1996-1985) – 4-8 per engine
-   Cadillac DeVille (1995-1982) – 4-8 per engine
-   Cadillac Eldorado (1993-1982) – 4-8 per engine
-   Cadillac Fleetwood (1992-1982) – 4-8 per engine
-   Cadillac Seville (1993-1982) – 4-8 per engine
-   Chevrolet Avalanche 2500 (2006-2002) – 4-8 per engine
-   Chevrolet Blazer (1997-1996) – 4-8 per engine
-   Chevrolet C1500 (1997-1996) – 4-8 per engine
-   Chevrolet C3500 (1996) – 4-8 per engine
-   Chevrolet C3500HD (2002-2001) – 4-8 per engine
-   Chevrolet C4500 Kodiak (2009-2008) – 4-8 per engine
-   Chevrolet C5500 Kodiak (2009-2008) – 4-8 per engine
-   Chevrolet C6500 Kodiak (2009-2008) – 4-8 per engine
-   Chevrolet C7500 Kodiak (2009-2008) – 4-8 per engine
-   Chevrolet Caprice (1996-1994) – 4-8 per engine
-   Chevrolet Cavalier (1998-1995) – 4-8 per engine
-   Chevrolet Express 1500 (1997-1996) – 4-8 per engine
-   Chevrolet Express 2500 (1997-1996) – 4-8 per engine
-   Chevrolet Express 3500 (2002-2001) – 4-8 per engine

That is the 25 most common of 64 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.

-   DENSO: 4511, 4713, 5077, IT16TT, PT16TT, PTJ16R15
-   ACDelco: 12563707, 12565753, 41-932, 41-952, 41-974
-   Bosch: 8117, HGR9LQP0, HR9LPP33X

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 23.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 23.00 AUD | In stock |

## Images

- PZTR5A-15 NGK platinum spark plug

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/pztr5a-15-ngk-platinum-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03