Ngk Spark Plug - Reliable Performance
Ngk Spark Plug - Reliable Performance
Available in stock (15)
-
Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Experience reliable ignition and optimal engine performance with this high-quality NGK Spark Plug. Designed for enthusiasts and professionals alike, this spark plug ensures efficient combustion and dependable starts.
Description
This NGK spark plug is engineered with premium materials and advanced technology to deliver exceptional performance and durability. The trivalent metal plating offers superior anti-corrosion and anti-seizing properties, ensuring a long service life even in harsh conditions. The pure alumina silicate ceramic insulator provides exceptional strength and improved heat transfer, preventing overheating and ensuring consistent spark. Featuring triple seals to prevent leakage and corrugated ribs to prevent flashover, this resistor-type spark plug maintains a reliable connection. Its copper core efficiently removes heat, preventing pre-ignition and fouling. With a 14 mm thread size and 19.1 mm (3/4") thread reach, this spark plug offers broad compatibility.
Features & highlights
- Trivalent metal plating provides superior anti-corrosion and anti-seizing for extended life.
- Alumina silicate ceramic insulator ensures strength and enhances heat transfer.
- Triple seals prevent combustion gas leakage, maintaining optimal pressure.
- Corrugated ribs prevent flashover, ensuring consistent spark delivery.
- Copper core promotes efficient heat removal, preventing pre-ignition.
- Resistor-type design minimizes electrical interference.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 5539
- Center Electrode Type: Standard
- Center Electrode Projection: Non-Projected
- Electrode Tip Material: Nickel Alloy
- Electrical Resistance: 5k Ohms
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Standard
- Heat Range: 8
- Hex Size: 20.6 mm (13/16")
- Spark Gap: 0.7 mm
- Terminal Configuration: Threaded Stud
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 14 mm
- Type: Resistor
Important to know
Ensure this spark plug matches your vehicle's specifications before installation.
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
NGK SPARK PLUGS
5539
Spark Plug
14 mm
19,1 mm (3/4")
0.7 mm
Threaded Stud
8
20,6 mm (13/16")
Standard
Single
Nickel Alloy
Standard
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.

