10 bestIridium Spark Plugsof December 2025
112M consumers helped this year.
1
NGK # 6509 Iridium Spark Plug LTR6IX-11 - 6 PCSNEW
NGK
10.0
2
NGK 94124 ILKAR7L11 Laser Iridium Spark Plug, Pack of 4
NGK
10.0
3
NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack
NGK
9.9
4
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
NGK
9.7
5
Bosch Automotive 0242135548 9667 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4)
Bosch Automotive
9.4
Other
DENSO # 3461 IRIDIUM LONG LIFE Spark Plugs -- SXU22HCR11S ----- 4 PCSNEW
Bosch 9617 Double Iridium Spark Plug, Up to 4X Longer Life (Pack of 4)
NGK Iridium IX Spark Plug BKR7EIX (4 Pack) for HONDA CIVIC LX 2010-2011 1.8L/1799cc
NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCS *NEW* by NGK
6
6 pc DENSO Iridium TT Spark Plugs compatible with Toyota Tacoma 3.5L V6 2016-2017
Sixity Auto
9.2
7
BOSCH 9673 OE Fine Wire Double Iridium Spark Plug - Pack of 4
Bosch Automotive
8.9
8
NGK (6994) Laser Iridium Spark Plug (4 Pack)
NGK
8.6
9
NGK CR9EIX - Iridium IX Spark Plug - 4-Pack/--
NGK
8.4
10
ACDelco 41-103 Professional Iridium Spark Plug (6 Pack)
ACDelco
8.1
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