Denso Iu27a Iridium Spark Plug
Denso Iu27a Iridium Spark Plug
Available in stock (15)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Maximize your engine's performance with the Denso IU27A Iridium Spark Plug. Engineered for superior ignition and longevity, this spark plug delivers consistent power and reliability for your motorcycle. Upgrade to Denso Iridium for a smoother, more efficient ride.
Description
The Denso IU27A Iridium Spark Plug is designed for enthusiasts and professionals seeking peak engine performance. Featuring iridium electrodes that are six times harder than platinum and capable of withstanding temperatures up to 4,000°F, this spark plug ensures exceptional durability and reliable ignition. The ultra-fine 0.4mm iridium electrode reduces voltage requirements while significantly improving firing performance. With a 360° laser-welded electrode, the Denso IU27A offers a robust seal that resists wear under even the most demanding conditions. The ground electrode's tapered cut and U-groove design create a large volume area, optimizing flame propagation for enhanced combustion efficiency and overall engine performance. Experience the difference with Denso's advanced technology, providing a spark plug that delivers unmatched reliability and power.
Features & highlights
- Iridium electrodes provide exceptional durability and withstand temperatures up to 4,000°F for long-lasting performance.
- Ultra-fine 0.4mm electrode reduces voltage requirements and improves firing performance, ensuring consistent ignition.
- 360° laser welding creates a robust seal, resisting wear and ensuring reliability in harsh conditions.
- Tapered cut and U-groove ground electrode design optimizes flame propagation, enhancing combustion efficiency.
- Resistor type plug minimizes electrical noise for improved electronic system performance.
- Threaded stud terminal configuration ensures a secure and reliable connection.
Technical specifications
- Brand: DENSO
- Vendor Part Number: IU27A
- Center Electrode Type: Fine Wire
- Center Electrode Projection: Non-Projected
- Electrode Tip Material: Iridium
- Electrical Resistance: 5k Ohms
- Ground Electrode Shape: Angled
- Heat Range: 27
- Hex Size: 16 mm (5/8")
- Spark Gap: 0.9 mm
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 10 mm
- Terminal Configuration: Threaded Stud
- Type: Resistor
Important to know
Ensure this spark plug is compatible with your motorcycle's specifications before installation. Always consult your owner's manual for proper installation procedures and torque specifications.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
DENSO
IU27A
Spark Plug
10 mm
19,1 mm (3/4")
0.9 mm
Threaded Stud
27
16 mm (5/8")
Angled
Iridium
Fine Wire
Non-Projected
5k Ohms
Resistor
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

