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

NGK Spark Plug BR9ECMIX Iridium IX 2707
NGK

9.8
2

4 PCS *NEW* -- Denso # 5304 IRIDIUM Power Spark Plugs IK20
Denso

9.6
3

Autolite XP3922-4PK Iridium XP Spark Plug, Pack of 4
Autolite

9.4
4% off
4

Bosch ZR7SI332S (N48) - Spark Plugs Double Iridium - Set of 4
Bosch

9.2
5

Bosch ZQR8SI302 - Spark Plugs Iridium - 1 piece
Bosch Automotive

9.0
OtherUp to 21% off
6

NGK Spark Plug DR8EIX Iridium IX 6681
NGK

8.8
7

Bosch AR5SII3320S - Spark Plugs Double Iridium - 1 piece
Bosch

8.6
8

NGK Spark Plug BPR7EIX Iridium IX 4055
NGK

8.4
9

Bosch FR6KI332S - Spark Plugs Double Iridium - 1 piece
Bosch

8.1
10

NGK Spark Plug BR10EIX Iridium IX 6801
NGK

7.9

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