2006–2011 Honda Civic Spark Plugs (1.8L)

Part numbers

• Spark plugs (NGK)

  4

  NGK IZFR6K-11S

  Copy

  Iridium, pre-gapped

  Honda part 9807B-561BW.

  Buy it:RockAutoAmazoneBay

• Spark plugs (Denso), equal alternative

  4

  Denso SKJ20DR-M11S

  Copy

  Honda part 9807B-561CW. Don't mix brands in one engine.

  Buy it:RockAutoAmazoneBay

Some store links earn NoJunkParts a small commission, at no extra cost to you. It never changes which part we recommend or the order the stores appear in. How we make money

How the job goes

1. Work on a cold engine. Remove the plastic engine cover if fitted.
2. Disconnect each ignition coil's connector, remove its bolt, and pull the coil straight out.
3. Blow debris out of the plug well before removing the plug, so nothing falls into the cylinder.
4. Unscrew the old plug with a spark plug socket and extension.
5. Start each new plug by hand to avoid cross-threading, then tighten to the spec in your service manual.
6. Reinstall the coils and connectors, one cylinder at a time so nothing gets mixed up.

Before you order

• These are iridium plugs that come pre-gapped. Don't re-gap them; you can damage the fine center electrode.
• Confirm the tightening torque in a service manual. Over-tightening can damage the aluminum head.
• Not for the Civic GX (natural gas). Honda lists a different plug for it: 98079-578BU (NGK IFR7F-8DS).

Sources

• HondaPartsNow: 2006 Honda Civic spark plugs (Honda catalog)
• HondaPartsNow: 2008 Honda Civic spark plugs (Honda catalog)
• HondaPartsNow: 2011 Honda Civic spark plugs (Honda catalog)