Home / 2 Pack Denso 5359 Iridium Power Spark Plugs IWF16
2 Pack Denso 5359 Iridium Power Spark Plugs IWF16
$34.77
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The Denso 5359 Iridium Power Spark Plug (IWF16) is crafted for engines requiring a compact, small-diameter plug with exceptional ignitability. Its ultra-fine iridium electrode ensures strong, consistent sparks and efficient combustion, making it ideal for motorcycles, ATVs, and small engines where space and performance matter most.
Features & Benefits:
🔧 Slim design fits compact engine spaces with ease
🔧 Iridium tip enhances combustion and throttle response
🔧 Built for small engine durability and efficiency
🔧 Pre-gapped for quick, hassle-free installation
Specifications:
Brand & Part Number: Denso 5359 (IWF16)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 14mm
Heat Range: 16
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)
Upgrade your small engine performance with the Denso IWF16 Iridium Power plug—engineered for lasting ignition power!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
