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Vehicle Info NeededDENSOPART NUMBER: 313-3442
Spark Plug Iridium Long Life
$1938
Ships on 11/10/2026
Lowest Price Guarantee- Spark Plug Iridium Long Life
Long Life, Durability, & Performance
DENSO Iridium Long-Life Spark Plugs are specifically designed for long life, durability, and performance. An Iridium center electrode is laser welded and matched to a platinum ground electrode. This process developed by DENSO dramatically extends the life and performance.
Part TypeSpark Plug
Product LineDENSO Iridium Long Life Spark Plugs
BrandDENSO
Package Height0.9
Package Width1.0
Package Length3.6
Weight0.09 PG
Part CategoryReplacement Parts
Pre-Gap Size0.044 in
Reach26.5 mm
Ground Electrode Quantity1
Ground Electrode Tip DesignPlatinum Needle
QuantitySold Individually
Ground ConfigurationNeedle-to-Needle
Washer IncludedYes
Center Electrode Core MaterialCopper
Resistance5000 ohm
Seat TypeFlat
Center Electrode Tip MaterialIridium
Ground Electrode Core MaterialNickel
Resistor TypeYes
Part FitmentDirect Fit
Manufacturer Heat Range22
Hex Size14.3 mm
Vendor Part Number3442
Package Qty1
Package TypeEA
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