Can you use iridium plugs in a 2004 Volvo?

Yes, you can use iridium spark plugs in a 2004 Volvo, provided they are compatible with the specific engine model. Iridium plugs offer better performance and longevity compared to standard copper or platinum plugs. However, it's essential to check the owner's manual or consult with a mechanic to ensure you select the correct type and specification for your vehicle's engine.