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
Bosch 9617 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4)
BOSCH 9673 OE Fine Wire Double Iridium Spark Plug - Pack of 4
NGK Iridium IX Spark Plug BKR7EIX (4 Pack) for HONDA CIVIC LX 2010-2011 1.8L/1799cc
DENSO # 5343 IRIDIUM Power Spark Plugs - IKH16-4 PCS NEW
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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