Home / 4 Pack Denso 5363 Iridium Power Spark Plugs IU27
4 Pack Denso 5363 Iridium Power Spark Plugs IU27
$62.77
Free shipping on all orders.
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The Denso 5363 Iridium Power Spark Plug (IU27) is built for high-revving, high-compression engines that demand reliable ignition and extreme heat resistance. With a fine-wire iridium electrode and compact design, it ensures precise combustion, smoother throttle response, and long-lasting performance, making it ideal for motorcycles, ATVs, and performance vehicles.
Features & Benefits:
🔧 Iridium tip provides consistent spark under high load
🔧 Cold heat range supports advanced engine tuning
🔧 Compact design ideal for motorcycles and powersports
🔧 Pre-gapped for easy, accurate installation
Specifications:
Brand & Part Number: Denso 5363 (IU27)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 16mm
Heat Range: 27
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)
Equip your engine with Denso Iridium Power IU27 for peak spark performance and long-term reliability—order yours today!
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.
