The spark plug is a powerful piece that delivers the electric current igniting the gasoline-powered internal-combustion engine.

Without the spark plug there is no fire. Unless you’re riding around in a diesel-powered hauler or a battery electric vehicle, the spark plug is what ignites the fuel air mixture that keeps the engine churning and burning.

we’ve put together a collection of the best Spark Plugs that are currently available on the market. To help you find the perfect Spark Plug among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Spark Plugs

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Spark Plugs:

# Preview Product Price
1 NGK Iridium IX Spark Plug LFR5AIX-11 (8 Pack) for NISSAN TITAN SE 2004-2008 5.6L/5552cc NGK Iridium IX Spark Plug LFR5AIX-11 (8 Pack) for NISSAN TITAN SE 2004-2008 5.6L/5552cc $59.99 View Product
2 NGK 3951 Pack of 8 Spark Plugs (TR55) NGK 3951 Pack of 8 Spark Plugs (TR55) $22.39 View Product
3 Autolite XP5702-4PK Iridium XP Spark Plug, Pack of 4 Autolite XP5702-4PK Iridium XP Spark Plug, Pack of 4 $25.61 View Product
4 8 ACD-OEM Spark Plug Wires 9748HH + 8 ACD-OEM Double Platinum Spark Plugs 41-962 + 8 Heat Shields For LS2 LS3 LS4 LS7 Engines 8 ACD-OEM Spark Plug Wires 9748HH + 8 ACD-OEM Double Platinum Spark Plugs 41-962 + 8 Heat Shields… $137.96 View Product
5 6 PCS NEW -- DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L 6 PCS NEW — DENSO # 5358 IRIDIUM Power Spark Plugs — IK20L $60.08 View Product
6 Autolite XP3923-4PK Iridium XP Spark Plug, Pack of 4 Autolite XP3923-4PK Iridium XP Spark Plug, Pack of 4 $25.85 View Product
7 Autolite APP5325-4PK Double Platinum Spark Plug, Pack of 4 Autolite APP5325-4PK Double Platinum Spark Plug, Pack of 4 $18.48 View Product
8 NGK # 1465 Laser Iridium Spark Plug IZTR5B11 --- 8 PCSNEW NGK # 1465 Laser Iridium Spark Plug IZTR5B11 — 8 PCSNEW $60.22 View Product
9 Denso Set of 6 Iridium Power Spark Plugs Gap 0.035 For V6 Denso Set of 6 Iridium Power Spark Plugs Gap 0.035 For V6 $49.54 View Product
10 ACDelco GM Original Equipment 41-109 Iridium Spark Plug ACDelco GM Original Equipment 41-109 Iridium Spark Plug $8.26 View Product

Top Rated Spark Plug Reviews

Since we’ve mentioned 10 different models of Spark Plugs on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Spark Plugs below:

1

NGK Iridium IX Spark Plug LFR5AIX-11 (8 Pack) for NISSAN TITAN SE 2004-2008 5.6L/5552cc
NGK Iridium IX Spark Plug LFR5AIX-11 (8 Pack) for NISSAN TITAN SE 2004-2008 5.6L/5552cc

$59.99
View Product
Product Highlights:

  • Includes (8) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
2

NGK 3951 Pack of 8 Spark Plugs (TR55)
NGK 3951 Pack of 8 Spark Plugs (TR55)

$22.39
View Product
Product Highlights:

  • Includes (8) Spark Plug.
  • Genuine NGK Replacement Part.
  • New, Bulk Packed.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
Sale3

Autolite XP5702-4PK Iridium XP Spark Plug, Pack of 4
Autolite XP5702-4PK Iridium XP Spark Plug, Pack of 4

$25.61
View Product
Product Highlights:

  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
  • V-trimmed ground electrode for improved ignitability
  • Platinum protected ground wire for maximum efficiency in all ignition types
  • Better overall ignitability and optimum performance
  • Limited lifetime warranty
4

8 ACD-OEM Spark Plug Wires 9748HH + 8 ACD-OEM Double Platinum Spark Plugs 41-962 + 8 Heat Shields For LS2 LS3 LS4 LS7 Engines
8 ACD-OEM Spark Plug Wires 9748HH + 8 ACD-OEM Double Platinum Spark Plugs 41-962 + 8 Heat Shields For LS2 LS3 LS4 LS7 Engines

$137.96
View Product
Product Highlights:

  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • The same performance as your GM vehicle’s original factory component
  • Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
5

6 PCS NEW -- DENSO # 5358 IRIDIUM Power Spark Plugs -- IK20L
6 PCS NEW — DENSO # 5358 IRIDIUM Power Spark Plugs — IK20L

$60.08
View Product
Product Highlights:

  • IRIDIUM POWER
  • DENSO 5358
  • 1order = 6 Pieces
6

Autolite XP3923-4PK Iridium XP Spark Plug, Pack of 4
Autolite XP3923-4PK Iridium XP Spark Plug, Pack of 4

$25.85
View Product
Product Highlights:

  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
  • V-trimmed ground electrode for improved ignitability
  • Platinum protected ground wire for maximum efficiency in all ignition types
  • Better overall ignitability and optimum performance
  • Limited lifetime warranty
Sale7

Autolite APP5325-4PK Double Platinum Spark Plug, Pack of 4
Autolite APP5325-4PK Double Platinum Spark Plug, Pack of 4

$18.48
View Product
Product Highlights:

  • Full platinum tips ensure virtually no gap erosion
  • Works to optimize engine performance for a longer life and improved fuel economy
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration
  • High nickel alloy side electrode maintains precise gap
  • Full copper core electrode provides better performance in all conditions
  • Fit type: Vehicle Specific
8

NGK # 1465 Laser Iridium Spark Plug IZTR5B11 --- 8 PCSNEW
NGK # 1465 Laser Iridium Spark Plug IZTR5B11 — 8 PCSNEW

$60.22
View Product
Product Highlights:

  • Laser Iridium Premium
  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
9

Denso Set of 6 Iridium Power Spark Plugs Gap 0.035 For V6
Denso Set of 6 Iridium Power Spark Plugs Gap 0.035 For V6

$49.54
View Product
Product Highlights:
Sale10

ACDelco GM Original Equipment 41-109 Iridium Spark Plug
ACDelco GM Original Equipment 41-109 Iridium Spark Plug

$8.26
View Product
Product Highlights:

  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
  • Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
  • One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage

Video Overview

Spark Plug Replacement DIY (the ULTIMATE Guide)

Learn how to replace spark plugs, inspect spark plugs, gap spark plugs, figure out what spark plugs are best for your car and where to use antiseize and …

Final Words

So, these are all of the Best Spark Plugs available on the market. We hope this collection was helpful to find the right Spark Plug for the money. However, we recommend checking out the features, benefits, and problems of each of these Spark Plugs before taking your decision.