4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20

DENSO's Iridium Power spark plug features the world's smallest 0.4mm diameter iridium center electrode and patented U-Groove design, resulting in maximized ignitability and reduced required voltage.

Denso

Item #: 13981060

4 PCS NEW -- Denso # 5304 IRIDIUM Power Spark Plugs IK20

Item #: 13981060

CAD 56

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Thursday, August 27

Secured transaction

Our Top Logistics Partners

DENSO's Iridium Power spark plug features the world's smallest 0.4mm diameter iridium center electrode and patented U-Groove design, resulting in maximized ignitability and reduced required voltage.

U-Care Warranty:

None

Select a Plan

Buy Now Pay Later

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Advanced Technology

Denso's Iridium Power technology ensures a more efficient combustion process, enhancing engine performance while reducing fuel consumption and emissions for environmentally conscious drivers.

Longer Lifespan

Engineered to last longer than conventional plugs, these Iridium spark plugs offer increased durability and reliability, providing up to 100,000 miles of performance before replacement is needed.

Improved Ignition

With a fine-wire center electrode and a tapered ground electrode, these plugs deliver superior ignition performance, resulting in smoother engine starts and better acceleration for an enhanced driving experience.

Product Details

Set of 4 Denso # 5304 IRIDIUM Power Spark Plugs IK20
Features World's smallest Iridium Center Electrode (0.4mm) for increased performance
Utilizes patented U-Groove ground electrode for maximum ignitability at minimized voltage
Designed to let the flame kernel grow unobstructed for enhanced ignitability
Improves performance by maintaining a smaller spark gap without increasing spark voltage
Each order includes 4 pieces of the spark plug #5304Iridium Power

Package Weight

1 Pound

Who Should Buy?

Performance Enthusiasts
Ideal for car lovers wanting improved ignition performance and engine responsiveness through high-quality iridium technology.
Long-Distance Drivers
Perfect for those taking frequent long trips, as these plugs offer longevity and better fuel efficiency.
Preventative Maintenance
Great for regular vehicle maintenance, ensuring optimal engine performance and reducing the risk of misfires.

Budget-Conscious Buyers
Not suitable for buyers prioritizing low-cost solutions, as iridium plugs tend to have a higher initial price.

Product Description

4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20

Have any Query? Chat with us

Product Buying Guide

Upgrade your vehicle's performance with 4 PCS NEW Denso # 5304 IRIDIUM Power Spark Plugs IK20. These spark plugs are designed to enhance ignitability and deliver increased performance, thanks to the world's smallest Iridium Center Electrode (0.4mm). With DENSO's patented U-Groove ground electrode, they offer maximum ignitability while minimizing required voltage. Continue Reading

Customer Questions & Answers

Question: What are Denso # 5304 IRIDIUM Power Spark Plugs IK20 designed for?

Answer: Denso # 5304 IRIDIUM Power Spark Plugs IK20 are designed for high-performance vehicles that require reliable spark ignition for efficient combustion. These spark plugs feature an iridium tip that ensures a longer lifespan and maintains optimal engine performance. By providing a consistent spark, they help improve acceleration, fuel economy, and overall engine responsiveness, making them ideal for both everyday drivers and automotive enthusiasts looking to upgrade their ignition components.
Question: How do Denso Iridium spark plugs differ from standard spark plugs?

Answer: Denso Iridium spark plugs differ from standard spark plugs primarily in their materials and design. The iridium tip allows for a smaller electrode, which enhances ignition efficiency and promotes better fuel combustion. This results in improved engine performance, reduced emissions, and longer service intervals compared to conventional spark plugs. Users can expect smoother engine operation, better throttle response, and potentially enhanced fuel economy, especially in high-performance or turbocharged vehicles.
Question: What is the lifespan of Denso # 5304 IRIDIUM Power Spark Plugs IK20?

Answer: Denso # 5304 IRIDIUM Power Spark Plugs IK20 are engineered for extended service life, often lasting up to 100,000 kilometers under normal driving conditions. This longevity is attributed to the durable iridium material, which withstands high temperatures and chemical erosion better than traditional materials. Regular maintenance and monitoring of engine performance can help ensure that these spark plugs provide optimal functionality throughout their lifespan, making them a cost-effective choice for high-mileage vehicles.
Question: Can I use Denso IRIDIUM Power Spark Plugs IK20 in any vehicle?

Answer: Denso IRIDIUM Power Spark Plugs IK20 are not universally compatible with every vehicle. It’s crucial to consult your vehicle’s owner manual or a professional mechanic to verify if these spark plugs fit your engine specifications. Many modern vehicles utilizing high-compression engines or specific performance applications will benefit from the unique properties of these iridium plugs, ensuring improved performance and efficiency. Always check compatibility to maximize your vehicle's potential.
Question: Are Denso Iridium plugs suitable for cold weather performance?

Answer: Yes, Denso Iridium plugs, including the IK20 model, are designed to perform well in cold weather conditions. Their efficient spark ignition helps in quicker engine starts and stable performance in low temperatures. This is especially beneficial for those living in colder climates where engine starting can be a challenge. The enhanced sparking capabilities ensure that fuel burns efficiently, reducing the chances of misfires and promoting smoother engine operation during winter months.
Question: How do I install Denso # 5304 IRIDIUM Power Spark Plugs IK20?

Answer: Installation of Denso # 5304 IRIDIUM Power Spark Plugs IK20 requires basic automotive tools and adherence to safe practices. Begin by disconnecting the battery, removing the old spark plugs, and cleaning the spark plug ports. Next, carefully install the new plugs by hand, ensuring not to cross-thread, and then tighten them to the manufacturer's specified torque. This process can enhance your vehicle’s performance and improve fuel efficiency, especially if you are replacing worn or faulty spark plugs.
Question: What benefits do iridium spark plugs provide over platinum spark plugs?

Answer: Iridium spark plugs, such as Denso # 5304, offer superior benefits compared to platinum spark plugs due to their advanced material properties. Iridium is more durable, providing better resistance to wear over time, which translates to longer service intervals. They also maintain consistent performance across a broader range of temperatures, leading to improved ignition efficiency and engine responsiveness. For drivers seeking enhanced performance and reliability, iridium plugs are often a preferred upgrade over platinum options.
Question: Will using Denso # 5304 IRIDIUM Power Spark Plugs improve fuel efficiency?

Answer: Yes, using Denso # 5304 IRIDIUM Power Spark Plugs can improve fuel efficiency. The precision-engineered iridium tip creates a more effective spark, enhancing the combustion process within the engine. This can lead to better fuel utilization and reduced consumption, which is especially noticeable in vehicles that operate at higher RPMs or require superior ignition performance. Drivers often report improved mileage and reduced fueling costs after upgrading to these high-performance spark plugs.
Question: What is the part number for Denso Spark Plugs compatible with competitive brands?

Answer: The Denso # 5304 IRIDIUM Power Spark Plugs IK20 can often serve as a replacement for competitive brands with specific part numbers. For example, they may interchange with part numbers from brands like NGK or Bosch, depending on the vehicle's engine specifications. It's advisable to check compatibility charts or consult with a professional to ensure that you are selecting the correct plug for your engine to achieve optimal performance and reliability.
Question: Where can I buy 4 PCS NEW -- Denso # 5304 IRIDIUM Power Spark Plugs IK20?

Answer: You can buy 4 PCS NEW -- Denso # 5304 IRIDIUM Power Spark Plugs IK20 from Ubuy in Canada. Ubuy is a reliable e-commerce platform that provides a wide selection of automotive parts and accessories, ensuring a seamless shopping experience. By purchasing through Ubuy, you can explore various product options and enjoy convenient access to the specific spark plugs you need for your vehicle.

Denso Spark Plugs Editorial Review

The Denso # 5304 IRIDIUM Power Spark Plugs IK20 have received mixed feedback from customers. Some have experienced issues with counterfeit or incorrect plugs, while others have found them to be a good fit and perform well. One customer mentioned a misfire issue being resolved after replacing the plugs. It is recommended to check the fit using the Amazon part finder and consult the owner's manual before purchasing.

Customer Reviews & Ratings

5.0

1 customers ratings

5 Star

100%
4 Star

0%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

Pros

Easy to install
Good performance and fuel consumption on certain vehicles

Cons

Some customers received counterfeit or incorrect plugs

Platform Trust & Buyer Confidence

4.2/5 9250 + reviews

Read reviews

Mohammad

Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot

Chitra

Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot

kund

Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot

Onesi

Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot

SAO JOHN

Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot

Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

CAD 56

Order now and get it around Thursday, August 27

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Features & Benefits

World's smallest 0.4mm iridium center electrode
Patented U-Groove design
Maximized ignitability
Reduced required voltage
Spark Plug #5304Iridium Power1order = 4 Pieces

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Platform Trust & Buyer Confidence

4 PCS NEW -- Denso # 5304 IRIDIUM Power Spark Plugs IK20