---
product_id: 253572631
title: "Bosch Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4"
brand: "bosch"
price: "$99"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/253572631-bosch-automotive-9603-oe-fine-wire-double-iridium-spark-plug
store_origin: NZ
region: New Zealand
---

# 4X longer service life 0.6mm fine wire for superior ignitability 360° laser weld for ultimate durability Bosch Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4

**Brand:** bosch
**Price:** $99
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your drive with Bosch’s double iridium spark plugs — where precision meets power.

## Quick Answers

- **What is this?** Bosch Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4 by bosch
- **How much does it cost?** $99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/253572631-bosch-automotive-9603-oe-fine-wire-double-iridium-spark-plug)

## Best For

- bosch enthusiasts

## Why This Product

- Trusted bosch brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** 360-degree continuous laser weld fuses corrosion-resistant iridium for maximum durability under pressure.
- • **OEM Perfect Fit:** Pre-gapped and engineered to original equipment specs for seamless installation and peak function.
- • **Precision Ignition:** Ultra-fine 0.6mm wire ensures superior spark and optimized engine performance every time.
- • **Trusted Performance:** Backed by a 7-year satisfaction guarantee, trusted by luxury and performance vehicles worldwide.
- • **Unmatched Longevity:** Double iridium electrodes deliver 4X longer life than copper plugs, keeping your engine firing strong.

## Overview

Bosch Automotive’s 9603 Double Iridium Spark Plug pack of 4 features ultra-fine 0.6mm firing pins and corrosion-resistant iridium electrodes welded with 360° laser technology, delivering 4X longer service life and superior ignitability. Designed as an OEM pre-gapped replacement, it ensures optimal fit and performance for a range of luxury and performance vehicles, backed by a 7-year satisfaction guarantee.

## Description

Bosch Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4

## Features

- Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs
- 0.6mm fine wire firing pin provides superior ignitability and performance
- 360 Degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability
- 7 year performance satisfaction
- Original equipment, pre-gapped replacement delivering optimum fit, form and function. Hex Size-16. Reach-19.Acura: 92-01 Integra, 91-92 Legend, 06 Chrysler Crossfire, 02-05 Ford Thunderbird, 00 Honda Civic; Infiniti: 99-02 G, 96-01 I30, 93-97 J30, 90-92 M30, 90-01 Q45; Jaguar: 00-01 Vanden Plas, 98-01 XJR, 01 XJ8, 00-03 XKR; Lexus: 90-91 ES250, 92-03 ES300.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Bosch Automotive |
| Brand | BOSCH |
| Model | Spark Plug |
| Product Dimensions | 8.89 x 2.69 x 9.55 cm; 197 g |
| Item model number | 9603 |
| Exterior | Machined |
| Manufacturer Part Number | 9603 |
| Position | Front, Rear |
| Item Weight | 197 g |

## Product Details

- **Brand:** BOSCH
- **Core material:** Iridium
- **Thread size:** M30
- **Top material type:** Nickel
- **Vehicle service type:** Honda Civic

## Images

![Bosch Automotive (9603) Oe Fine Wire Double Iridium Spark Plug - Pack Of 4 - Image 1](https://m.media-amazon.com/images/I/71FZXJroy2L.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Frequently Bought Together

- BOSCH 9603 OE Fine Wire Double Iridium Spark Plug - Pack of 4
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*