DENSO IT20TT Iridium Spark Plugs IZTR5B11 1X 4714

( Brand: Denso ), ( Manufacturer Part Number: IT20TT ), ( Ipn: Iztr5b11 Pt20tt It20 Tr55 Tr55ix Tr55gp ), ( Country Of Origin: Japan ), ( Type: Suspension, Springs And Related Components )

Review DENSO 1x Iridium Spark Plugs Made In Japan

Introducing the DENSO ITR20TT 1x Iridium TT Spark Plug, a superior ignition component engineered for exceptional performance and longevity. This plug is part of DENSO's Technology Tough (TT) series, which is renowned for its advanced design and robust construction.

The DENSO ITR20TT 1x spark plug features an iridium center electrode, which offers several advantages over traditional copper or nickel alloy electrodes. Iridium is a noble metal that maintains its hardness and shape exceptionally well, ensuring consistent sparking and prolonging the lifespan of the plug. This results in improved combustion efficiency, reduced fuel consumption, and enhanced engine performance.

The DENSO ITR20TT 1x spark plug also boasts a narrow electrode gap, which optimizes the spark discharge between the electrodes. This allows for a more efficient combustion process, resulting in improved engine performance and fuel economy. Additionally, the narrow electrode gap helps to reduce the risk of misfires and fouling, ensuring reliable ignition and extended plug life.

The plug's insulator nose is made of alumina silicate ceramic, a high-performance material that provides excellent thermal shock resistance and insulating properties. This material allows the plug to withstand the extreme temperatures and pressures encountered during engine operation, ensuring stable combustion and prolonged plug life.

The DENSO ITR20TT 1x spark plug is engineered to meet the rigorous demands of modern engines, offering superior ignitability and durability. Its precise machining and advanced materials ensure reliable and consistent performance, even under heavy load conditions. Furthermore, the plug's anti-seizing, nickel-plated shell reduces the risk of thread damage during installation and removal, ensuring a secure fit and long-lasting performance.

In summary, the DENSO ITR20TT 1x Iridium TT Spark Plug is a high-performance ignition component designed for superior combustion efficiency, extended plug life, and reliable ignition. Its advanced design, including an iridium center electrode, narrow electrode gap, and high-performance insulator nose, make it an ideal choice for modern engines seeking optimal performance and longevity.

Denso ITR20TT 1x Iridium Spark Plugs (Part Number: 4714) are a popular choice for automotive enthusiasts and professional mechanics due to their advanced design and technology. Here are some pros and cons of buying these spark plugs:

1. Iridium Material: Iridium is a precious metal that ensures longer life and durability compared to traditional copper or nickel spark plugs. Denso ITR20TT 1x Iridium Spark Plugs are made of iridium, ensuring a longer lifespan and improved performance.

2. Precise Ignition: Iridium spark plugs provide a more precise ignition, leading to better fuel efficiency, increased power output, and smoother engine operation.

3. Durability: The iridium material is more resistant to wear and tear than traditional materials, making these spark plugs ideal for high-performance engines and long-term use.

4. Reduced Fouling: Iridium spark plugs have a reduced fouling rate, meaning they are less likely to get covered in carbon deposits, which can lead to misfires and poor performance.

5. Improved Emissions: Iridium spark plugs can help improve emissions by providing a more complete combustion process, reducing harmful exhaust gases.

1. Cost: Iridium spark plugs, including the Denso ITR20TT 1x Iridium Spark Plugs, are more expensive than traditional copper or nickel spark plugs.

2. Installation: Installing iridium spark plugs can be more challenging than installing traditional plugs due to their smaller size and unique design.

3. Specific Application: Iridium spark plugs are not suitable for all engines and applications. They are typically recommended for high-performance engines or those that require a longer lifespan than traditional plugs.

Denso ITR20TT 1x Iridium Spark Plugs (Part Number: 4714) offer several advantages over traditional spark plugs, including longer lifespan, more precise ignition, improved durability, reduced fouling, and improved emissions. However, they come with a higher price tag and may require more effort to install. Ultimately, if you have a high-performance engine or are looking for long-term use, these spark plugs may be worth the investment. On the other hand, if you have a standard engine or are on a tight budget, traditional copper or nickel spark plugs may be a more cost-effective option.

If you have a high-performance engine, a need for long-term use, or are willing to pay a higher price for improved performance and durability, then the Denso ITR20TT 1x Iridium Spark Plugs (Part Number: 4714) are an excellent choice. However, if you have a standard engine or are on a tight budget, you may want to consider traditional copper or nickel spark plugs instead. Regardless of your choice, always ensure that you follow the manufacturer's instructions for installation and maintenance to ensure optimal performance and longevity.

Details:

1x Denso Iridium TT Spark Plugs IT20TT / 4714 Made in Japan.

part #: it20tt prices

• $24.95-$48.50

specifications coilspringi:

• brand: Denso
• mpn: It20tt
• ipn: Iztr5b11 Pt20tt It20 Tr55 Tr55ix Tr55gp
• country of origin: Japan
• type: Suspension, Springs And Related Components

returns coilspringi:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

offer coilspringi:

• availability: In Stock
• sold: 0
• quantity: 5
• started: February 16, 2026
• options: Ship-to-home

payments coilspringi:

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• credit card: Diners-club
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general coilspringi:

• condition: New
• Car Truck Parts Accessories > Steering Suspension > Leaf Coil Springs

seller coilspringi:

• city: North Hollywood, California
• # reviews: 110055
• rating: 98.0%

shipping coilspringi:

• cost: $0.00
• transit: 5-12 Days
• carrier: USPS
• service: Expedited, USPS Priority Mail, USPS Ground Advantage
• type: Fixed
• class: Expedited, Standard

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