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Denso Iridium Spark Plug 3421

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DENSO533116
Part # 3421
SKU # 533116
Price Not Available
Part #
3421
SKU #
533116
Weight
0.1lbs
Pre-Gap Size
0.044in
Reach
26.5mm
Thread Diameter
14mm
Metal Type
Iridium
Seat Type
Gasket
Center Electrode Tip Material
Iridium
Manufactured to OEM quality standards.
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    DENSO patented optimized iridium-rhodium alloy formula: highest concentration of iridium vs competitors for greater durability
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    Extra long life spark plugs manufactured to OEM service interval specifications
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    OE style iridium with iridium alloy center electrode (90% Ir) & platinum ground strap
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    DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode