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Denso
2 Pack Denso 5392 Iridium Power Spark Plugs IWM27
Part number 5392
$48.77
2-pack · $24.39 each · Free shipping
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The Denso 5392 Iridium Power Spark Plug (IWM27) is built for compact, high-revving engines that demand precise ignition and excellent durability. With a fine-wire iridium electrode and M10 thread size, it ensures consistent combustion, quick starts, and long-lasting performance—ideal for motorcycles, karts, and small engine racing applications.
Features & Benefits:
🔧 Ultra-fine iridium tip delivers high-energy spark
🔧 Cold heat range supports performance engine tuning
🔧 Compact design fits tight engine compartments
🔧 Pre-gapped for accurate, ready-to-install fit
Specifications:
Brand & Part Number: Denso 5392 (IWM27)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 14mm
Heat Range: 27
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)
Maximize ignition performance in compact, high-output engines with the Denso IWM27 Iridium Power plug—order now for race-ready reliability!
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At TXN Supply, we're driven by a passion for quality and reliability. Whether you're a DIY mechanic, an automotive professional, or just looking for top-notch essentials, we provide premium spark plugs, oil filters, fluids, and more from trusted brands like Champion, NGK, and ACDelco.
Our mission is simple: to deliver high-quality auto parts and everyday must-haves with fast shipping and great prices!
We offer fast, reliable shipping within the USA. Orders are processed quickly and shipped via trusted carriers. Tracking information will be provided. Expedited options may be available at an extra cost. Contact us for any shipping inquiries.
We offer a 30-day return period. Items must be in original condition. Buyer is responsible for return shipping unless the item is defective or incorrect. Refunds are processed once the item is received. Contact us for any return assistance.
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.
