NGK Iridium Spark Plug for Bajaj Dominar 250 & Dominar 400 – Centre Plug

Upgrade or replace the centre spark plug of your Bajaj Dominar 250 or Dominar 400 with a genuine NGK Iridium spark plug, designed to deliver reliable ignition and consistent combustion.

Why Choose NGK Iridium?

NGK Iridium technology uses a fine iridium centre electrode designed for excellent ignitability, stable combustion and long-lasting performance.

Whether you’re commuting, touring or enjoying the Dominar’s performance, a quality spark plug helps maintain dependable starting and consistent engine operation.

Key Benefits

• Reliable Ignition – Delivers a strong and consistent spark for dependable starting.
• Excellent Ignitability – Fine iridium electrode technology supports efficient ignition.
• Smooth Engine Performance – Helps maintain consistent combustion and stable engine operation.
• Long Service Life – Iridium electrode technology provides excellent durability.
• NGK Quality – Manufactured by NGK, a globally trusted spark plug manufacturer.
• Designed for the Centre Position – Specifically applicable to the centre spark plug position on compatible Dominar models.

Compatible Motorcycles

• Bajaj Dominar 250
• Bajaj Dominar 400
• Bajaj Dominar 250 BS6
• Bajaj Dominar 400 BS6

Product Type

NGK Iridium Spark Plug

Position

Centre Spark Plug

Quantity

1 Spark Plug

Packaging Note

This product is supplied in genuine NGK packaging. The packaging may differ from the Bajaj-branded packaging supplied with the motorcycle; the applicable spark plug is manufactured by NGK.

Important Fitment Note

This listing is for the centre spark plug position. The side spark plugs use a different application. Please do not use this product for the left/right-side positions.

Frequently Asked Questions

How often should I replace NGK Iridium spark plugs?

Typically every 40,000–80,000 km depending on riding conditions and manufacturer recommendations.

Can I use NGK Iridium spark plugs with E20 ethanol-blended petrol?

Yes. As E20 ethanol-blended fuel becomes more common, maintaining efficient combustion is increasingly important. NGK Iridium spark plugs produce a stronger and more consistent spark, helping promote cleaner combustion, smoother performance and reliable ignition with modern E20-compatible engines.

Will an iridium spark plug increase mileage?

It helps maintain efficient combustion and smoother running, which may improve fuel efficiency compared to worn plugs.

Will it fit my motorcycle?

Please refer to the compatibility list or contact us on WhatsApp for assistance.

Are these genuine NGK spark plugs?

Yes, we supply genuine products sourced through trusted channels.

Spark Plug Configuration

• Laser Iridium plugs
• Quantity: 1

Features

• Genuine NGK Iridium spark plug
• Faster and more efficient combustion
• Improved throttle response
• Better fuel economy. Suitable for E20 ethanol-blended fuel
• Smooth idle and acceleration
• Long service life compared to conventional plugs
• Reduced misfires
• Workshop-tested fitment
• Better cold starting and stable idling

Why Upgrade to NGK Iridium?

NGK Iridium plugs feature an ultra-fine iridium centre electrode that provides a stronger spark, improved combustion and consistent engine performance. Their superior durability and resistance to wear make them ideal for riders seeking reliability and long replacement intervals.

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🔧 Workshop-Tested Fitment

Every spark plug supplied by Top Gear Automotives is verified for compatibility and tested through real-world workshop experience. Need help with fitment? Contact us on WhatsApp before ordering.

🔧 Installation Support in Port Blair

Also available for same-day professional installation at our workshop in Aberdeen Bazaar, Port Blair, Sri Vijaya Puram, Andaman & Nicobar Islands. Bring your motorcycle or scooter and get it fitted by our technicians without waiting for delivery.

Visit our workshop in Port Blair:

• ✔ Quick installation
• ✔ Function testing

👉 Takes just a few minutes to install. Book installation service now >>

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Local Customers in Andaman & Nicobar Islands

If you’re in Sri Vijaya Puram (Port Blair), Aberdeen Bazar, Garacharma, Bathubasti, Dollygunj, Junglighat, Delanipur, Haddo, Phoenix Bay, or anywhere in the Andaman & Nicobar Islands, you can visit Top Gear Automotives for professional spark plug replacement, inspection and motorcycle servicing by trained technicians.

Need fitment support? Book your motorcycle service online or visit our workshop in Aberdeen Bazar, Sri Vijaya Puram >>>>>

✔ Shipping available across India and Andaman & Nicobar Islands including Port Blair, Garacharma, Bathubasti, Junglighat, Wimberlygunj, Ferrargunj, Havelock, Nicobar, Diglipur, Rangat, Mayabunder, Kadamtala, Hutbay, Campbell Bay and more.