NGK TR55GP spark plug close-up reveals platinum tip and copper core for efficient ignition.
NGK TR55GP eight-pack packaging ready for maintenance and replacement.
NGK TR55GP copper core and iridium long-life design for durable performance.
NGK TR55GP platinum ground strap detail for consistent gap and reliability.
NGK TR55GP ceramic insulator and electrode close-up highlighting heat tolerance.
NGK TR55GP spark plug demonstrating high-heat resilience for modern engines.
NGK TR55GP engine bay installation guidance for easy replacement.
NGK TR55GP spark plug close-up reveals platinum tip and copper core for efficient ignition.
NGK TR55GP eight-pack packaging ready for maintenance and replacement.
NGK TR55GP copper core and iridium long-life design for durable performance.
NGK TR55GP platinum ground strap detail for consistent gap and reliability.
NGK TR55GP ceramic insulator and electrode close-up highlighting heat tolerance.
NGK TR55GP spark plug demonstrating high-heat resilience for modern engines.
NGK TR55GP engine bay installation guidance for easy replacement.

NGK 3403 TR55GP G-Power Platinum Spark Plug – 8 Pack (Copper Core, Iridium Long Life)

Ultra-reliable ignition for modern engines The NGK 3403 TR55GP G-Power Platinum Spark Plug combines a copper core,...
Vendor: NGK
Availability: In stock
£49.38
£49.38
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NGK TR55GP spark plug close-up reveals platinum tip and copper core for efficient ignition.

NGK 3403 TR55GP G-Power Platinum Spark Plug – 8 Pack (Copper Core, Iridium Long Life)

£49.38
NGK TR55GP spark plug close-up reveals platinum tip and copper core for efficient ignition.
NGK TR55GP eight-pack packaging ready for maintenance and replacement.
NGK TR55GP copper core and iridium long-life design for durable performance.
NGK TR55GP platinum ground strap detail for consistent gap and reliability.
NGK TR55GP ceramic insulator and electrode close-up highlighting heat tolerance.
NGK TR55GP spark plug demonstrating high-heat resilience for modern engines.
NGK TR55GP engine bay installation guidance for easy replacement.

NGK 3403 TR55GP G-Power Platinum Spark Plug – 8 Pack (Copper Core, Iridium Long Life)

£49.38
Description
Description
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Ultra-reliable ignition for modern engines

The NGK 3403 TR55GP G-Power Platinum Spark Plug combines a copper core, a precision 0.6 mm platinum alloy tip laser-welded to the center electrode, and a platinum ground strap. This 8-pack is designed for drivers seeking consistent starts and durable performance in challenging heat conditions without sacrificing efficiency.

Why this plug stands out

Thanks to the platinum tip and copper core, the TR55GP aims to deliver a strong, efficient spark at lower voltage, while the platinum ground strap helps maintain a precise gap across its service life. The iridium long-life design contributes to longevity in demanding engines, offering reliable operation under high temperatures.

  • Often specified as original equipment, NGK spark plugs balance performance and longevity.
  • Quality, reliability and durability you’d expect from an OEM manufacturer.
  • Tech tip: verify engine compatibility, trim level, and quantity before purchase.
  • Includes eight spark plugs per listing for convenient replacement.

Real-world benefits you may notice

In everyday driving, you might experience crisper starts, smoother acceleration, and steadier idle, especially in modern engines running hotter or with advanced ignition systems. These plugs are designed to support efficient combustion and may help minimize misfires under demanding conditions, while maintaining durability over time.

  • Quicker starts and stable idle with a high-intensity spark.
  • Durable design to handle elevated temperatures and longer service intervals.
  • Potential for improved combustion efficiency and reduced misfires in certain engines.
  • OEM-grade fit and reliability for peace of mind during maintenance.

For best results, consult your vehicle’s service manual or a trusted technician to confirm compatibility, required gap, and quantity. This listing is for an eight-pack, ideal for a complete replacement set.

FAQ

Q: What is included in the 8-pack NGK TR55GP set?

A: Eight TR55GP spark plugs designed for a complete installation.

Q: What potential benefits may NGK TR55GP plugs offer?

A: Possible easier starts, smoother combustion, and durable performance under high heat.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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