10 bestIridium Spark Plugsof February 2026
112M consumers helped this year.
1
NGK Spark Plug BR9ECMIX Iridium IX 2707
NGK
10.0
2
NGK Spark Plug SILZKGR8B8S 94201 Iridium IX
NGK
10.0
3
NGK Spark Plug DR8EIX Iridium IX 6681
NGK
9.9
4
Bosch ZR7SI332S (N48) - Spark Plugs Double Iridium - Set of 4
Bosch
9.8
5% off
5
NGK Spark Plug BPR7EIX Iridium IX 4055
NGK
9.6
6
Bosch AR5SII3320S - Spark Plugs Double Iridium - 1 piece
Bosch
9.3
7
4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
Denso
9.1
8
ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4)
ACDelco
8.9
5% off
9
NGK Spark Plug BPR6EIX Iridium IX 6637
NGK
8.6
10
ACDelco GM Original Equipment 41-110 Iridium Spark Plug
ACDelco
8.3
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