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Vehicle Info NeededDENSOPART NUMBER: 313-5321
Iridium Performance IK31 Spark Plug Heat Range: 31
$1399
Ships on 09/15/2026
Lowest Price Guarantee14mm Thread x 19mm Reach
16mm Hex
Projected Tip
Gasket Seat
IK-Series plugs 1.5mm projection are perforemance focused, while the -0.5mm projection plugs emphasize heat resistance.
16mm Hex
Projected Tip
Gasket Seat
IK-Series plugs 1.5mm projection are perforemance focused, while the -0.5mm projection plugs emphasize heat resistance.
- Iridium Performance IK31 Spark Plug
- Heat Range: 31
- -0.5mm Insulator Projection
Sold Individually
Part TypeSpark Plug
BrandDENSO
Package Height0.9
Package Width1.0
Package Length3.4
Weight0.12 PG
Part CategoryReplacement Parts
Part FitmentSemi Universal
Vendor Part Number5321
Package Qty1
Package TypeEA
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