DENSO Auto Parts Spark Plug P/N:5373
DENSO Auto Parts 3374 spark plug for the 2003-2007 Honda Accord 4-cylinder 2.4L or V6 3.0L and other vehicles creates the spark that ignites the air-fuel mixture in each cylinder. It is OE-grade and made to OEM quality standards.
Before you replace spark plugs because of a misfire, hard starting or a rough idle, rule out a failing ignition coil, damaged wiring or a fuel problem first, since any of them can also cause a misfire.
The 2003-2007 Honda Accord 4-cylinder 2.4L or V6 3.0L, the 2002-2005 Honda Civic 4-cylinder 2.0L and the 2006-2011 Civic 4-cylinder 1.8L all fit this plug, which is also a spark plug for the 2002-2009 Honda CR-V 4-cylinder 2.4L and many other vehicles. Plan on four plugs for each 4-cylinder engine named here and six for the Accord V6 3.0L. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
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This part cross-references / interchanges with the following part numbers:
Are these the right spark plugs for the 2003-2007 Honda Accord 4-cylinder 2.4L or V6 3.0L?
Yes. DENSO Auto Parts 3374 fits the 2003-2007 Honda Accord 4-cylinder 2.4L, which takes four plugs, and the V6 3.0L, which takes six. Other models are in the "Vehicles it fits" section.
Is this the right spark plug for the 2002-2005 Honda Civic 4-cylinder 2.0L or the 2006-2011 Civic 4-cylinder 1.8L?
Yes. DENSO Auto Parts 3374 fits the 2002-2005 Honda Civic 4-cylinder 2.0L and the 2006-2011 Civic 4-cylinder 1.8L, four plugs for each engine.
What gap do these DENSO spark plugs come with?
They come pre-gapped at 1.1 mm. The thread diameter is 14.0 mm, the reach is 19.0 mm and the seat is flat.
Do these plugs have built-in resistance?
Yes. This spark plug is rated at 5000 ohms of resistance, and its center electrode has a copper core with a nickel tip.
What is the U-Groove on this plug's ground electrode?
It is patented U-Groove technology on the ground electrode, which allows a larger flame front and improved ignitability. The ground electrode is a thick design with a nickel core.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.