20 Best Denso Iridium Power Spark Plugs [2024]

Are you looking for the best Denso Iridium Power Spark Plugs? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Denso Iridium Power Spark Plugs.

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# Preview Product
1 Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW -- Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW --
2 DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW
3 DENSO # 5310 IRIDIUM Power Spark Plugs - IK22-4 PCSNEW DENSO # 5310 IRIDIUM Power Spark Plugs - IK22-4 PCSNEW
4 Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1) Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1)
5 DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 6 PCSNEW DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 6 PCSNEW
6 4 PCS NEW -- DENSO # 5343 IRIDIUM Power Spark Plugs -- IKH16 4 PCS NEW -- DENSO # 5343 IRIDIUM Power Spark Plugs -- IKH16
7 4 pc DENSO Iridium Power Spark Plugs compatible with Hyundai Genesis Coupe 2.0L L4 2010-2014... 4 pc DENSO Iridium Power Spark Plugs compatible with Hyundai Genesis Coupe 2.0L L4 2010-2014...
8 DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade
9 Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043'(1.1mm) Gap Size Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043"(1.1mm) Gap Size
10 4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20 4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
11 DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW
12 8 PCS NEW --- DENSO # 5325 IRIDIUM Power Spark Plugs -- IT16 8 PCS NEW --- DENSO # 5325 IRIDIUM Power Spark Plugs -- IT16
13 Denso (5341) ITV24 Iridium Power Spark Plug, (Pack of 1) Denso (5341) ITV24 Iridium Power Spark Plug, (Pack of 1)
14 6 PCS NEW -- DENSO # 5353 IRIDIUM Power Spark Plugs -- IXUH22 6 PCS NEW -- DENSO # 5353 IRIDIUM Power Spark Plugs -- IXUH22
15 DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 4 PCSNEW DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 4 PCSNEW
16 6 PCS NEW -- DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L 6 PCS NEW -- DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L
17 Denso (5344) IKH20 Iridium Power Spark Plug, (Pack of 1) Denso (5344) IKH20 Iridium Power Spark Plug, (Pack of 1)
18 Denso IXUH22I Iridium Power Spark Plugs 5356-4 PK Denso IXUH22I Iridium Power Spark Plugs 5356-4 PK
19 DENSO # 5339 IRIDIUM Power Spark Plugs -- ITV20 ----- 6 PCS NEW DENSO # 5339 IRIDIUM Power Spark Plugs -- ITV20 ----- 6 PCS NEW
20 Denso (5311) IK24 Iridium Power Spark Plug, (Pack of 1) Denso (5311) IK24 Iridium Power Spark Plug, (Pack of 1)
SaleBestseller No. 1
Denso # 5304 IRIDIUM Power Spark Plugs -- IK20 --- 6 PCSNEW --
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IRIDIUM POWER
  • DENSO 5304
  • 1order = 6 Pieces
SaleBestseller No. 2
DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L ----- 4 PCS NEW
  • FREE SHIPPING For This Item
  • Better Performance
  • IRIDIUM POWER
  • DENSO 5358
  • 1order = 4 Pieces
Bestseller No. 4
Denso (5304) IK20 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
Bestseller No. 5
DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 6 PCSNEW
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IK16L
  • DENSO 5357
  • IRIDIUM POWER
  • 1order = 6 Pieces
Bestseller No. 7
4 pc DENSO Iridium Power Spark Plugs compatible with Hyundai Genesis Coupe 2.0L L4 2010-2014...
  • This 4 pack DENSO Iridium Power Spark Plug is compatible with Hyundai Genesis Coupe 2014, 2013, 2012, 2011, 2010 2.0L L4 and is perfect for a tune up...
  • REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic...
  • GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode...
  • RELY ON QUALITY AUTO PARTS: From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by...
  • TRUST IN DENSO: The automotive industry has recognized the DENSO commitment to quality through such prestigious awards as the Deming Award for...
SaleBestseller No. 8
DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade
  • Authentic Product
  • Denso Auto Parts Brand
  • Individual Pack
  • Denso Auto Parts Part #IK16 5303
  • Brand new, never used.
Bestseller No. 9
Set (8pcs) Denso Iridium Power Spark Plugs Stock 5304 Iridium Core .043"(1.1mm) Gap Size
  • This 8 pack DENSO Iridium Power 5304 Spark Plug replaces Subaru 22401 AA731, Subaru 22401 AA530, Subaru 22401 AA550, Subaru 22401 AA65A, Subaru 22401...
  • REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic...
  • GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode...
  • RELY ON QUALITY AUTO PARTS: From the development of direct ignition coils to revolutionizing the concept of the aftermarket performance spark plug by...
  • TRUST IN DENSO: The automotive industry has recognized the DENSO commitment to quality through such prestigious awards as the Deming Award for...
Bestseller No. 10
4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
  • FREE SHIPPING For This Item
  • Spark Plug #5304
  • Iridium Power
  • 1order = 4 Pieces
Bestseller No. 11
DENSO # 5344 IRIDIUM Power Spark Plugs -- IKH20 ----- 6 PCS NEW
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IRIDIUM POWER
  • DENSO 5344
  • 1order = 6 Pieces
Bestseller No. 12
8 PCS NEW --- DENSO # 5325 IRIDIUM Power Spark Plugs -- IT16
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IRIDIUM POWER
  • DENSO 5325
  • 1order = 8 Pieces
Bestseller No. 13
Denso (5341) ITV24 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
Bestseller No. 14
6 PCS NEW -- DENSO # 5353 IRIDIUM Power Spark Plugs -- IXUH22
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • Better Performance
  • IRIDIUM POWER
  • DENSO 5353
  • 1order = 6 Pieces
Bestseller No. 15
DENSO # 5357 IRIDIUM Power Spark Plugs -- IK16L ----- 4 PCSNEW
  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • IK16L
  • DENSO 5357
  • IRIDIUM POWER
  • 1order = 4 Pieces
SaleBestseller No. 16
SaleBestseller No. 17
Denso (5344) IKH20 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • Its 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • Package Dimensions: 2.286 L x 8.382 H x 2.54 W (centimeters)
Bestseller No. 18
Denso IXUH22I Iridium Power Spark Plugs 5356-4 PK
  • Tapered cut, U-Groove ground electrode
  • 0.4mm Iridium Tip
  • Patented 360-degree laser welding assembly process
  • Required ignition voltage reduced
  • Unsurpassed center electrode durability
Bestseller No. 20
Denso (5311) IK24 Iridium Power Spark Plug, (Pack of 1)
  • 0.4 mm iridium center electrode: world's smallest diameter that maximizes firing potential
  • U-groove and taper cut ground electrode: provides faster spark flame growth and lessens heat quenching
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode
  • DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode

Having trouble finding a great Denso Iridium Power Spark Plugs?

This problem is well understood by us because we have gone through the entire Denso Iridium Power Spark Plugs research process ourselves, which is why we have put together a comprehensive list of the best Denso Iridium Power Spark Plugss available in the market today.

After hours of searching and using all the models on the market, we have found the best Denso Iridium Power Spark Plugs for 2023. See our ranking below!

How Do You Buy The Best Denso Iridium Power Spark Plugs?

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We understand, because we’ve already gone through the whole process of researching Denso Iridium Power Spark Plugs, which is why we have assembled a comprehensive list of the greatest Denso Iridium Power Spark Plugs available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Denso Iridium Power Spark Plugs that you consider buying. Your questions might include the following:

  • Is it worth buying an Denso Iridium Power Spark Plugs?
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  • Where can you find information like this about Denso Iridium Power Spark Plugs?

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Potential sources can include buying guides for Denso Iridium Power Spark Plugs, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Denso Iridium Power Spark Plugs. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Denso Iridium Power Spark Plugs buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Denso Iridium Power Spark Plugs currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Denso Iridium Power Spark Plugs has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Denso Iridium Power Spark Plugs?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Denso Iridium Power Spark Plugs.
  5. Customer Ratings: Number ratings grade Denso Iridium Power Spark Plugs objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Denso Iridium Power Spark Plugs.
  7. Product Quality: You don’t always get what you pay for with an Denso Iridium Power Spark Plugs, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Denso Iridium Power Spark Plugs is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Denso Iridium Power Spark Plugs information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Denso Iridium Power Spark Plugs is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Which is better an iridium or platinum spark plug?

A: Platinum spark plug is a ‘golden mean’ between copper and iridium ones. Platinum has twice better longevity than copper and fairy low price. Platinum disc and central electrode tip provide slow wear rate and better fuel efficiency.

Q: Which spark plugs are best?

A: NGK Iridium spark plugs are globally the best performance category of spark plugs having superior technology.

Q: Who makes the best spark plug?

A: BOSCH Company. BOSCH needs no presentation as it makes different things for the vehicles or in the car industry it has proved its outstanding approach. Autolite Company. Autolite is American based Company,and it makes an excellent quality spark plug,and it produces creative items which are temperate. NGK Spark Company. … Denso Spark Company. …

Q: What is the best spark plug?

A: Iridium is generally considered the best for plugs, with platinum being considered a good mid-level option. Remember that there can be bad iridium plugs and decent copper plugs. After reading this article, do your own research on spark plugs and the manufacturers that make them.