NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug (4 Pack)

★★★★★ 4.9 19 reviews

$40.95
Price when purchased online
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$40.95
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 214139712 Release Date 2026/04/12 List Price $16.38 Model Number 214139712
Category

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose avoids fouling, the corrugated ribs on insulator avoids flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent metal plating has superior corrosion and seizing properties.

  • Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.
  • Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer
  • NGK is the world's largest supplier of OEM spark plugs
  • Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
  • This Listing is for 4 Spark Plugs
UPC 087295064412
Brand Name NGK
Unit Count 1 Count
Item Weight 0.01 Ounces
Thread Size 14mm x 19mm
Manufacturer NGK
Model Number 6441-4PK
Core Material Iridium
Top Material Type Metal
Automotive Fit Type Vehicle Specific Fit
Included Components 6441
Manufacturer Part Number 6441-4PK
Compatible with Vehicle Type Motorcycle
Manufacturer Warranty Description Includes manufacturer provided warranty
Global Trade Identification Number 00087295064412

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4.9 out of 5
★★★★★
19 ratings | 8 reviews
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