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Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Spark Plugs

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Old 04-03-2023, 04:25 PM
cjd9153's Avatar
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Default Spark Plugs
I have read several times in this forum that AC Delco Iridium spark plugs are a must for the H2's. I have a 2003 H2 with the 6.0. I go to O'Reillys website and it says that they are not suggested for the H2. Any input? Can someone give me a parts number to the AC Delco iridium plugs they use?
 
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Old 04-03-2023, 06:43 PM
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Originally Posted by cjd9153
I have read several times in this forum that AC Delco Iridium spark plugs are a must for the H2's. I have a 2003 H2 with the 6.0. I go to O'Reillys website and it says that they are not suggested for the H2. Any input? Can someone give me a parts number to the AC Delco iridium plugs they use?

AC Delco is a DISTRIBUTOR! NGK manufacturers the OEM spark plugs for GM. Look here for part number:


 
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