10 bestIridium Spark Plugsof October 2025
112M consumers helped this year.
1

NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack
NGK

9.8
2

NGK CR9EIX - Iridium IX Spark Plug - 4-Pack/--
NGK

9.6
3

NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW
NGK

9.4
7% off
4

6 pc DENSO Iridium TT Spark Plugs compatible with Toyota Tacoma 3.5L V6 2016-2017
Sixity Auto

9.2
5

Champion Iridium 9005 Spark Plug (Pack of 1) - QC10WEP
Champion

8.9
OtherUp to 24% off
5% off
6

NGK 94124 ILKAR7L11 Laser Iridium Spark Plug, Pack of 4
NGK

8.6
7

ACDelco 41-103 Professional Iridium Spark Plug (6 Pack)
ACDelco

8.4
8

Bosch Automotive 0242135548 9667 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4)
Bosch Automotive

8.1
9

BOSCH 96301 OE Fine Wire Double Iridium Spark Plug - Pack of 4
Bosch Automotive

7.8
10

DENSO # 3461 IRIDIUM LONG LIFE Spark Plugs -- SXU22HCR11S ----- 4 PCSNEW
Denso

7.5

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