# BCPR6EIX-11 NGK Iridium Spark Plug | Genuine NGK Spark Plug

## 🔧 Product Description

**NGK Iridium Spark Plug – Part Number: BCPR6EIX-11**

Iridium NGK spark plugs offer a longer service life than a standard nickel-tipped spark plug: while nickel-alloy plugs offer a service life of roughly 20,000-40,000km, NGK Iridium IX spark plugs offer a service life of up to 60,000km, so fewer replacements are needed over time despite the higher initial cost.

Precious-metal spark plugs like the NGK Iridium IX also offer higher ignitability, achieved with an exposed fine-tip centre electrode that promotes superior flame growth compared with a standard spark plug. Iridium has a much higher melting point (2410°C) than nickel (1453°C), allowing the centre electrode diameter to be reduced from 2.5mm to 0.6mm – a smaller electrode mass that reduces the impedance to flame progress, helping acceleration, fuel consumption and idle quality.

## ⚙️ Key Features

-   Fine iridium-tipped centre electrode for a slow wear rate and stable idle
-   Longer service life than standard nickel 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: 4919
-   Thread: 14 mm
-   Reach: 19 mm (3/4 in)
-   Hex: 16 mm (5/8 in)
-   Seat: Gasket
-   Terminal: Solid
-   Type: JIS Projected Wide Gap

## 🚘 Application

Listed in NGK's application charts for automotive vehicles.

-   Acura Integra (1989-1986) – 4-6 per engine
-   Acura Legend (1990-1986) – 4-6 per engine
-   Honda Civic (1991-1988) – 4-6 per engine
-   Honda CRX (1991-1988) – 4-6 per engine
-   Honda Prelude (1990-1988) – 4-6 per engine
-   Lexus ES250 (1991-1990) – 4-6 per engine
-   Lexus ES300 (1993-1992) – 4-6 per engine
-   Mazda 323 (1989-1988) – 4-6 per engine
-   Nissan 200SX (1988-1984) – 4-6 per engine
-   Nissan 300ZX (1989-1984) – 4-6 per engine
-   Nissan Maxima (1988-1985) – 4-6 per engine
-   Nissan Multi (1988-1986) – 4-6 per engine
-   Nissan Pulsar NX (1989-1987) – 4-6 per engine
-   Nissan Stanza (1989-1984) – 4-6 per engine
-   Peugeot 405 (1991-1989) – 4-6 per engine
-   Saab 9-3 (2003-1999) – 4-6 per engine
-   Saab 9-5 (2009-1999) – 4-6 per engine
-   Saab 9000 (1994-1991) – 4-6 per engine
-   Sterling 825 (1988-1987) – 4-6 per engine
-   Sterling 827 (1991-1989) – 4-6 per engine
-   Toyota Camry (1993-1988) – 4-6 per engine
-   Toyota MR2 (1989-1988) – 4-6 per engine

## 🔄 Supersession & Cross Reference

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

-   DENSO: 3153, 3155, 3157, 4707, 5302, 5602, IQ20, IQ20TT and 5 more

## 📦 Condition

-   Brand new genuine product
-   Supplied in original packaging

## Details

- **Price:** 40.0 AUD
- **Vendor:** NGK
- **Type:** Ignition & Controls

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 40.00 AUD | In stock |

## Images

- BCPR6EIX-11 NGK iridium spark plug
- BCPR6EIX-11 NGK spark plug firing end

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/bcpr6eix-11-ngk-iridium-spark-plug-genuine-ngk-spark-plug)
> Updated: 2026-09-03