The product is a set of 4 NGK iridium spark plugs designed for Honda Civic models from 2006 to 2011. These spark plugs have a thread diameter of 14mm and a standard configuration, with an installation depth of 50.5mm. The manufacturer part number for this product is IZFR6K-11S, and it is compatible with OE/OEM part numbers IZFR6K11-S, 9807B561BW, and 9807B-561BW. Made in Japan, these spark plugs are suitable for gasoline engines, providing high-quality ignition performance for your vehicle.
Key details
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Part number: 9807B-561BW
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Type: Iridium spark plug
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OEM brand: Honda (manufactured by NGK)
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NGK equivalent: IZFR6K-11S
🚗 Vehicle fitment
Mainly used in:
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Honda Civic 1.8L (2006–2011)
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Also fits many Honda models like:
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CR-V
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Accord
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Fit / Jazz
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HR-V (some engines)
👉 Engine spec: 1.8L R18A (non-GX)
⚙️ Specifications
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Thread size: 14mm
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Reach: 26.5 mm
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Hex: 16 mm (5/8")
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Gap: ~0.044" (1.1 mm)
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Material: Iridium center electrode
📦 Dimensions (OEM listing):
⚖️ Weight: ~0.1 lb (45 g)
🔄 Cross-reference
Use these keywords: