10 bestIridium Spark Plugsof June 2026
112M consumers helped this year.
18% off
1
Bosch ZR7SI332S (N48) - Spark Plugs Double Iridium - Set of 4
Bosch
10.0
2
NGK Spark Plug BR9ECMIX Iridium IX 2707
NGK
10.0
3
NGK Spark Plug SILZKGR8B8S 94201 Iridium IX
NGK
9.9
4
Bosch AR5SII3320S - Spark Plugs Double Iridium - 1 piece
Bosch
9.6
5
DENSO # 3444 Iridium LONG LIFE Spark Plugs -- SC20HR11 ----- 4 PCS * NEW *
Denso
9.4
6
NGK Spark Plug DR8EIX Iridium IX 6681
NGK
9.2
7
4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
Denso
8.9
5% off
8
NGK Spark Plug BPR7EIX Iridium IX 4055
NGK
8.7
9
Bosch FR7KI332S - Spark Plugs Double Iridium - 1 piece
Bosch Automotive
8.4
10
Autolite Iridium XP Automotive Replacement Spark Plugs, XP3923 (4 Pack)
Autolite
8.1
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