Ngk Spark Plug - Superior Ignition Performance
Ngk Spark Plug - Superior Ignition Performance
Available in stock (15)
-
Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Maximize your engine's performance with this high-quality NGK Spark Plug. Designed for optimal ignition and longevity, this spark plug ensures reliable starts and efficient combustion.
Description
The NGK Spark Plug delivers exceptional performance and durability. Featuring trivalent metal plating, it offers superior anti-corrosion and anti-seizing properties, ensuring a long service life. The pure alumina silicate ceramic insulator provides exceptional strength and enhanced heat transfer, preventing overheating and ensuring consistent performance. Triple seals are incorporated to prevent leakage, maintaining optimal compression. Corrugated ribs prevent flashover, ensuring reliable ignition even under demanding conditions. The copper core efficiently aids in heat removal, contributing to cooler operating temperatures and improved engine efficiency. With a 12 mm thread size and a 19.1 mm (3/4") thread reach, this resistor-type spark plug offers broad compatibility.
Features & highlights
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties for extended life.
- Pure alumina silicate ceramic insulator enhances strength and heat transfer for optimal performance.
- Triple seals prevent leakage, maintaining consistent compression.
- Corrugated ribs prevent flashover, ensuring reliable ignition under all conditions.
- Copper core efficiently removes heat, contributing to cooler engine temperatures and enhanced efficiency.
- Resistor type to prevent electrical interference with sensitive vehicle electronics.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 4855
- 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: 17.5 mm (11/16")
- Spark Gap: 0.7 mm
- Terminal Configuration: Solid Terminal
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 12 mm
- Type: Resistor
Important to know
Ensure this spark plug matches your vehicle's specifications before installation. Refer to your vehicle's manual for proper spark plug gap and torque settings.
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
4855
Spark Plug
12 mm
19,1 mm (3/4")
0.7 mm
Solid Terminal
8
17,5 mm (11/16")
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.

