🔧 What Do These Fit?
The IKH20 (DENSO #5344) plugs are commonly used in Honda / Acura V6 engines, especially J-series platforms.
✅ Common Honda Fitment
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Honda Accord V6 (3.0L / 3.5L) – ~2003–2017
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Honda Odyssey (3.5L) – ~2005–2017
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Honda Pilot (3.5L) – ~2005–2017
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Honda Ridgeline (3.5L) – ~2006–2017
✅ Acura Fitment
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Acura TL / MDX / RL (3.2L / 3.5L V6) – various years
Genuine 6 pack DENSO Iridium Power 5344 Spark Plug
⚠️ Fitment Notes (Don’t Guess)
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6 plugs = V6 engines only
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Designed for coil-on-plug ignition systems
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Pre-gapped from factory—don’t mess with it unless necessary
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Always cross-check your OEM part number
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💎 What Makes Iridium Power Different?
DENSO’s Iridium Power series is all about ignition efficiency and responsiveness.
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Ultra-fine 0.4mm iridium center electrode
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Requires less voltage to fire
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Produces a stronger, more precise spark
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Improves combustion efficiency
Compared to standard plugs, these fire cleaner and more consistently—especially under load.
DENSO 5344
IKH20
1order = 6 Pieces
🚗 Real-World Benefits
After installing IKH20 plugs, you’ll notice:
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Faster starts
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Smoother idle
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Better throttle response
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Improved fuel efficiency
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Reduced misfires
It’s not a huge horsepower jump—but your engine will feel noticeably healthier.
⏱️ Long Life Performance
Iridium plugs are built to last:
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Service life: ~60,000–100,000 miles
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Excellent resistance to wear and heat
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Maintains consistent spark over time
Install them once and forget about them for a long time.
🔥 Perfect for Maintenance or Light Performance Builds
These plugs are ideal for:
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Routine tune-ups
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Fixing rough idle or misfires
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Maintaining V6 performance
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Lightly modified or daily-driven vehicles
They strike a perfect balance between performance and reliability.
💡 Pro Tip (Do It Right Once)
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Replace all 6 plugs at the same time
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Inspect ignition coils while you’re there
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Use proper torque (don’t overtighten)
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Don’t adjust gap unless required
Because doing this job twice is not the move.
🏁 Bottom Line
The DENSO IKH20 Iridium Power spark plugs (5344) are a premium, OEM-quality upgrade for V6 engines that need reliable ignition and improved responsiveness. They deliver better combustion, smoother operation, and long-lasting performance—all without drama.
Because the right spark makes everything else work better.
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