In short, the 2007 Honda Accord's spark plugs depend on the engine option: the 2.4L four-cylinder uses NGK or Denso plugs in a standard heat range, while the 3.0L V6 uses a different specification. The exact part numbers are VIN-specific and should be confirmed with the owner's manual or a parts supplier.
Two engines, two plug paths
2007 Accord buyers could choose between a 2.4-liter inline-four and a 3.0-liter V6. Each engine has its own recommended spark plug family, and replacement requirements can vary by market and model variant.
For the 2.4L inline-four
The four-cylinder version typically uses NGK or Denso plugs that match Honda's heat-range requirements. You may find copper-core plugs for standard performance or iridium/platinum variants for longer life. A common gap used by many technicians is approximately 0.043 inches (1.1 mm).
Common options include:
- NGK-brand plugs compatible with Honda inline-four engines
- Denso-brand plugs compatible with Honda inline-four engines
These are general guidelines; the exact part numbers should be verified by entering your VIN into a parts database or consulting the owner's manual or a dealer parts department.
For the 3.0L V6
The V6 option uses a different set of recommended plugs than the 4-cylinder. As with the four-cylinder, NGK and Denso offer suitable options, including longer-life versions. The typical gap remains around 0.043 inches (1.1 mm).
Common options include:
- NGK-brand plugs appropriate for Honda V6 engines
- Denso-brand plugs appropriate for Honda V6 engines
Again, confirm exact part numbers from a VIN-based parts lookup or a Honda service bulletin to ensure compatibility.
Practical shopping guidance
When shopping for spark plugs for your 2007 Accord, start with the engine type (2.4L or 3.0L) and use a trusted parts database or consult the dealer to pull the exact Honda-recommended part number for your VIN. If you’re planning an upgrade, irreidium or platinum variants from NGK or Denso are common options that offer longer service intervals, but your maintenance schedule should still be followed.
Note: Always verify the gap specification and torque requirements in the service manual or with a qualified technician before installation.
Summary: The 2007 Honda Accord can use different spark plugs depending on the engine. For the 2.4L inline-four, NGK or Denso plugs in the correct heat range are typical, while the 3.0L V6 uses a separate set of plugs. Confirm exact part numbers via VIN lookup or dealer resources, aim for a ~0.043 inch gap, and choose copper, platinum, or iridium variants according to your maintenance needs.
What does Honda recommend for spark plugs?
For Honda engines we recommend only using NGK/Denso spark plugs. Using other spark plugs like Bosch, Autolite, etc has been the cause of countless ignition misfires that we've seen which could have easily been eliminated by using NGK/Denso plugs. Why?
What type of spark plugs do Hondas use?
Spark Plug
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What is the spark plug number for a 2007 Honda Accord?
DENSO – Iridium Long-Life Spark Plug: OE Performance, SKJ20DR-M13 (Part No. 3401)
What spark plugs does the Honda Accord use?
NGK – Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability (Part No. 3764)